2014 – Page 2 – Kerry D. Wong

Wavetek 907 Signal Generator Teardown

Since I just got myself an HP 5350B microwave counter and I had fixed it up, I thought it would […]

DS3232 is an extremely accurate RTC with a guaranteed accuracy of 2.5 ppm (0 °C to 40 °C), which translates […]

Last time, I did a teardown of an HP 5350B microwave counter. And as I mentioned in my teardown, the […]

Here is a teardown you do not see very often. I recently bought an HP 5350B 20 GHz microwave counter […]

Dave did an analog multimeter teardown in his latest episode. I have a Chinese made MF 10A multimeter bought back […]

I recently bought a few old power transistors from eBay. These are PNP Tung-Sol germanium transistors. According to the date […]

A few days ago, I bought a Keithley 197 sold as “unknown working condition” on the cheap. The seller said […]

I just moved my site from my own server to linode‘s VPS hosting. So you should see some pretty significant […]

A while ago, I did a tear-down of a Keithley 196 bench multimeter. Towards the end of that post I […]

MCP3903 is a six channel Delta-Sigma A/D converter. It features six synchronous sampling differential channels which can be programmed to […]

A while back, I wrote an article on how to use a CP2102 USB/UART converter chip in place of an […]

LTC4151 is a high voltage I2C current and voltage monitor. It is capable of monitoring input voltage ranging from 7V […]

HP 436A is a power meter capable of measuring RF power between -70 dBm and 44 dBm (roughly between 0.1 […]

It seems that you can’t visit to a microcontroller website without seeing a digital thermometer/hygrometer build of some kind. After […]

Transistors operating in their avalanche regions are often used to generate fast rise pulses (see avalanche pulse generator using 2N3904). […]