Tracing Filter/Oscillator Frequency Response Using Spectrum Analyzer and Signal Generator
In this blog post, Let’s take a look at how to measure a filter’s frequency response using a spectrum analyzer […]
AM/FM Demodulation Using HP 8566B Spectrum Analyzer
In my previous blog post, I did a quick teardown of my HP 8566B spectrum analyzer. In this post, I […]
Some Pictures of My HP 8566B Spectrum Analyzer
The latest addition to my lab is an HP 8566B spectrum analyzer. This isn’t just any spectrum analyzer, it was […]
ESR Measurement Using Multimeter and Function Generator
Capacitor ESR (Equivalent Series Resistance) measurement is very useful in diagnosing issues with power supplies. In linear power supplies, a […]
Exploring the Battery Option of the EDC/Krohn-Hite MV216A DC Voltage Standard
In my previous blog post, I did a teardown of the EDC/Krohn-Hite MV216A DC voltage standard and measured the temperature […]
EDC/Krohn-Hite MV216A DC Voltage Standard Teardown and Tempco Measurement
In this blog post, we are going to take a look at Electronic Development Corporation’s (EDC, acquired by Krohn-Hite in […]
The Spectrums of Three Cheap Laser Pointers
A couple of months ago, I converted my EP200Mmd monochromator into a scanning monochromator and tested the spectrums of quite […]
Interfacing HDC1050 with Arduino
Recently, I got my hands on TI‘s HDC1050 low power, high accuracy digital humidity/temperature sensor chip. The supply voltage of […]
Direct Measurement of the Speed of Light using a Cheap Laser Diode – II
In my previous blog post, I discussed the basic TOF method for direct measurement of the speed of the light. […]
Direct Measurement of the Speed of Light using a Cheap Laser Diode – I
Speed of light c in air can be measured either directly or indirectly. There are many ways to infer c […]
Testing Unknown Transformers with Function Generator
Last week, I posted a YouTube video explaining how to use a function generator to test an unknown transformer. I […]
Keithley 706 Scanner Teardown
I bought this Keithley 706 scanner on eBay a while ago. This scanner can take up to ten different scanner […]
Yet Another Scanning Monochromator Build
A while ago, I saw a video on the signal path in which Shahriar modified his Verity EP200Mmd monochromator/detector and […]
LM2596 DC-DC Converter Module Testing
LM2596 based step-down DC-DC converter modules can be bought on eBay quite cheaply for around a dollar each. But how […]
Teardown of a Cisco CSS 11503 Content Services Switch
This old Cisco switch was on its way to the dumpster at my work place, so I thought I would […]