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RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS

Francesco Nastrucci - frenzi37i - 12/01/2021

TESTED ON WINDOWS ONLY

Features

  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered not accurate and are marked with yellow dot in the phase plot

Use

  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)

To find your scope address

While scope is connected with usb cable to the PC, run this script:

importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()

You have to find something like this: USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR this is the scope address to copy into the main script.

Needed packages

  • matplotlib
  • numpy
  • pyvisa
  • feeltech

Plot example

This is the output for an R-C low pass filter with R=1k, C=10n

alt text

About

Bode Plot With RIGOL DS1054 and FeelTech FY32xx

Resources

Readme
Activity

Stars

3 stars

Watchers

1 watching

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1 fork
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS
Francesco Nastrucci - frenzi37i - 12/01/2021
TESTED ON WINDOWS ONLY
Features
  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution
mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage
sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to
trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered
not accurate and are marked with yellow dot in the phase plot
Use
  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)
To find your scope address
While scope is connected with usb cable to the PC, run this script:
importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()
You have to find something like this:
USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR
this is the scope address to copy into the main script.
Needed packages
  • matplotlib
  • numpy
  • pyvisa
  • feeltech
Plot example
This is the output for an R-C low pass filter with R=1k, C=10n
alt text
About
Bode Plot With RIGOL DS1054 and FeelTech FY32xx
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS
Francesco Nastrucci - frenzi37i - 12/01/2021
TESTED ON WINDOWS ONLY
Features
  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution
mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage
sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to
trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered
not accurate and are marked with yellow dot in the phase plot
Use
  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)
To find your scope address
While scope is connected with usb cable to the PC, run this script:
importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()
You have to find something like this:
USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR
this is the scope address to copy into the main script.
Needed packages
  • matplotlib
  • numpy
  • pyvisa
  • feeltech
Plot example
This is the output for an R-C low pass filter with R=1k, C=10n
alt text
About
Bode Plot With RIGOL DS1054 and FeelTech FY32xx
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Repository files navigation
RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS
Francesco Nastrucci - frenzi37i - 12/01/2021
TESTED ON WINDOWS ONLY
Features
  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution
mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage
sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to
trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered
not accurate and are marked with yellow dot in the phase plot
Use
  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)
To find your scope address
While scope is connected with usb cable to the PC, run this script:
importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()
You have to find something like this:
USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR
this is the scope address to copy into the main script.
Needed packages
  • matplotlib
  • numpy
  • pyvisa
  • feeltech
Plot example
This is the output for an R-C low pass filter with R=1k, C=10n
alt text
About
Bode Plot With RIGOL DS1054 and FeelTech FY32xx
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS
Francesco Nastrucci - frenzi37i - 12/01/2021
TESTED ON WINDOWS ONLY
Features
  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution
mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage
sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to
trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered
not accurate and are marked with yellow dot in the phase plot
Use
  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)
To find your scope address
While scope is connected with usb cable to the PC, run this script:
importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()
You have to find something like this:
USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR
this is the scope address to copy into the main script.
Needed packages
  • matplotlib
  • numpy
  • pyvisa
  • feeltech
Plot example
This is the output for an R-C low pass filter with R=1k, C=10n
alt text
About
Bode Plot With RIGOL DS1054 and FeelTech FY32xx
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS
Francesco Nastrucci - frenzi37i - 12/01/2021
TESTED ON WINDOWS ONLY
Features
  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution
mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage
sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to
trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered
not accurate and are marked with yellow dot in the phase plot
Use
  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)
To find your scope address
While scope is connected with usb cable to the PC, run this script:
importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()
You have to find something like this:
USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR
this is the scope address to copy into the main script.
Needed packages
  • matplotlib
  • numpy
  • pyvisa
  • feeltech
Plot example
This is the output for an R-C low pass filter with R=1k, C=10n
alt text
About
Bode Plot With RIGOL DS1054 and FeelTech FY32xx
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS
Francesco Nastrucci - frenzi37i - 12/01/2021
TESTED ON WINDOWS ONLY
Features
  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution
mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage
sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to
trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered
not accurate and are marked with yellow dot in the phase plot
Use
  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)
To find your scope address
While scope is connected with usb cable to the PC, run this script:
importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()
You have to find something like this:
USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR
this is the scope address to copy into the main script.
Needed packages
  • matplotlib
  • numpy
  • pyvisa
  • feeltech
Plot example
This is the output for an R-C low pass filter with R=1k, C=10n
alt text
About
Bode Plot With RIGOL DS1054 and FeelTech FY32xx
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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RIGOL DS1054Z - FEELTECH FY32xx AUTOMATED FREQUENCY RESPONSE ANALYSIS
Francesco Nastrucci - frenzi37i - 12/01/2021
TESTED ON WINDOWS ONLY
Features
  • Amplitude and phase semilogarithmic plots
  • Average acquisition mode, with 4 waves average (for f>2Hz) or high resolution
mode (for f<2Hz)
  • Logaritmic or linear frequencies span
  • Automated setup
  • Automated restore of the previous scope's settings
  • Automated fine adjustment of the vertical scale for maximized voltage
sensitivity, with clipping detection
  • Sense triggering errors and try to correct them. If it's not possible to
trigger the signal, a red octagon is plotted in amplitude and phase plots for that frequency
  • For very low amplitude values (vpeak<5mV) phases measurements are considered
not accurate and are marked with yellow dot in the phase plot
Use
  • GPIB drivers are needed.
  • Connect both scope and signal generator to PC with usb cables.
  • Connect signal generator CH1 output and scope CH1 to the Device Under Test input;
  • Connect DUT's output to scope CH2.
  • SET SCOPE ADDRESS AND SIGNAL GENERATOR SERIAL PORT into BodePlot.py script before starting it.
  • On windows, Feeltech Signal generator COM port can be founded under 'Device Manager->COM Ports'
  • Be sure to have all the needed python packages (if not, install them with pip)
To find your scope address
While scope is connected with usb cable to the PC, run this script:
importpyvisarm=pyvisa.ResourceManager()
rm.list_resources()
You have to find something like this:
USB0::0x1AB1::0x04CE::DS1ZA223107793::INSTR
this is the scope address to copy into the main script.
Needed packages
  • matplotlib
  • numpy
  • pyvisa
  • feeltech
Plot example
This is the output for an R-C low pass filter with R=1k, C=10n
alt text
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Bode Plot With RIGOL DS1054 and FeelTech FY32xx
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