scope-logic-analyzer

Apps & Automation

Test equipment integration for signal analysis (oscilloscope and logic analyzer)

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Oscilloscope/Logic Analyzer Skill

Overview

This skill provides test equipment integration for signal analysis, enabling automated measurements, protocol decoding, and timing verification using oscilloscopes and logic analyzers.

Capabilities

Oscilloscope Operations

Channel configuration
Trigger setup and management
Measurement automation
Waveform capture and export
Math and FFT operations
Cursor measurements
Mask testing

Logic Analyzer Operations

Digital channel configuration
Protocol decoder setup
Trigger configuration
Capture depth management
State vs timing mode
Parallel bus capture

Signal Measurements

Rise/fall time measurement
Frequency and period
Duty cycle analysis
Amplitude measurements
Pulse width measurement
Signal integrity metrics
Eye diagram analysis

Protocol Decoding

I2C protocol decoding
SPI protocol decoding
UART/RS-232 decoding
CAN/LIN decoding
Custom protocol definitions

Timing Analysis

Setup and hold time verification
Propagation delay measurement
Clock jitter analysis
Timing margin verification
Glitch detection

FFT and Frequency Analysis

Spectrum analysis
Harmonic analysis
THD calculation
EMI pre-compliance
Noise floor analysis

Instrument Integration

Keysight/Agilent instruments
Tektronix oscilloscopes
Rigol oscilloscopes
Saleae Logic analyzers
Sigrok/PulseView
SCPI command automation

Target Processes

signal-integrity-testing.js - Signal quality validation
hardware-bring-up.js - Initial signal verification
real-time-performance-validation.js - Timing validation

Dependencies

Oscilloscope software/drivers
Logic analyzer software (Saleae Logic, Sigrok)
VISA/SCPI libraries
Protocol decoder plugins

Usage Context

This skill is invoked when tasks require:

Signal integrity verification
Timing analysis and validation
Protocol debugging
Hardware validation
EMI pre-compliance testing

Measurement Examples

Rise Time Measurement

scope.channel[1].enabled = True
scope.channel[1].scale = 1.0  # V/div
scope.trigger.source = "CH1"
scope.trigger.level = 1.65  # V
scope.trigger.slope = "RISE"

measurement = scope.measure.rise_time("CH1")
print(f"Rise time: {measurement * 1e9:.2f} ns")

Logic Analyzer Capture

analyzer.set_sample_rate(24e6)  # 24 MHz
analyzer.set_capture_depth(10e6)  # 10M samples
analyzer.add_decoder("i2c", sda=0, scl=1)
analyzer.trigger.add_condition("i2c_start")
analyzer.start_capture()

Configuration

equipment:
  oscilloscope:
    type: keysight | tektronix | rigol
    connection: visa | usb | ethernet
    address: "TCPIP::192.168.1.100::INSTR"
  logic_analyzer:
    type: saleae | sigrok
    sample_rate: 24MHz
    channels: 8