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KD6W

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About KD6W

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  1. Are you near anybody with a frequency counter? What is the impedance of the probe? What type of coupling does the probe have? How fast is the sweep on your scope, 10nSec? Does the oscillator look like this? - https://www.digikey.com/product-detail/en/txc-corporation/9C-28.800MBBK-T/887-2449-2-ND/4475367 --- 28.8 MHz??? To read the exact frequency, find a 10 pF (smaller is better) capacitor and "hook" one end of the capacitor with your o-scope probe. Set the channel and trigger to AC coupled. Now look at the PC board and next the crystal "Y1" find capacitors "C3" and "C2" near the edge of the board. Each capacitor has one pin tied to ground (the one towards the middle). Move the capacitor on the scope probe to touch the one end of the C3 but don't touch the metal on the crystal can. Start by touching C3 the side away from capacitor C2 and adjust the trigger till you get a lock and measure the distance between peaks. Now try to back the probe away so the capacitor probe doesn't touch the pin but can still couple and try to read the peaks again. The act of touching the crystal pin will actually shift the frequency a little bit. I speculate the peaks will be slightly less than 35 nSec apart. Good luck, Joel - KD6W
  2. Introduce yourself

    Dude, i know! I am so into asian prons, they are sooo tasty!
  3. What ever suites my fancy

  4. Introduce yourself

    My name is Joel aka KD6W (just ask the FCC, it's their fault!) I live and work in Silicon Valley (San Francisco / San Jose) Favorite game: BF4 / ROBOTRON 2084 Favorite OS: IBM 370 JCL? One that works? Favorite console: My first, Atari 2600, my current PS4 Nationality: US Accent: midwestern Gender: Male Age: We're up there but NOT over the hill! Race: White Height: 6' Status: Wife=1, Children=1 (aka happy!) Build: Not flabby but not ripped either Favorite band: Grand Funk Railroad (MORE COWBELL!) but lately getting into a local artist - Blu Mar Ten Favorite book: The Martian Chronicles Favorite author: Isaac Isamov Favorite movie: The Big Lebowski Favorite director: Stanley Kubrick Favorite TV Show: Star Trek (the original) Favorite actor: toss up - Al Pacino /James Earl Jones Favorite actress: toss up - Jenna Elfman / Hedy Lamarr Favorite Pinup: Raquel Welch of course... (http://en.wikipedia.org/wiki/File:Raquel_Welch_in_deer-skin_bikini.jpg) Favorite Comedian: Robin Williams (I can't believe he is gone, I'm praying he is in a better place. Very tragic and sad) Hobbies: Camping, Amateur Radio (RF hacking), Scuba Dive, Photography, Motorcycling, Pwning Noobs Vehicles: 11 Silverado/ 99 Porsche Boxster/ 98 VFR 800fi Occupation: Sr. System Designer - Satellite and Terrestrial DTV Broadcasting
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