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Measure 1500 ohms across the input pins (1 and 2) 73 Mike M. KU4QO [email protected]> wrote:

The early NC40B kit 612s had some defective ones. An easy check we found is ohmmeter across pins 1 and 2. Good ones are in the 10-50 kohm range,? bad ones are open or much higher or much lower. Steve

Is there an easy way to test smd soic8 packaged sa612 chips?? Doug

Kirk, Don't laugh. I used to work the flightline at the annual airshows at Oshkosh, WI. Was there the first time they flew the Concorde SST in and was the one who marshalled it to a stop before it was

Thank you Walt, it's been along time.? Doug

As I recall, the SST was 202 feet long with a wingspan of 84 feet. Not QRP in any way! Sorry. Couldn't resist.? :) Regards, Kirk, NT0Z My book, "Stealth Amateur Radio," is now available from

Doug, SST actual measured dimensions: Board: 3.0" w x 3.5"d Case: 3.415" w x 3.75" d x 1.510" h; case and front and rear thickness = 0.050". excludes rubber bumpers and control and connector

Congratulations on getting your receiver to work Bill. The trials and tribulations of homebrew; the highs and the lows. Sometimes I wonder why I do it, but then I have a success and remember why.

After rebuilding the DBM and adding better grounds between the circuit boards, I finally put the soldersmoke DCR to the test tonight. No joy. Puzzlement and head scratching. It worked on the bench.?

Thanks, Kees. For that price, I'll probably do my own. {{{fires up Dip Trace}}} -- William, k6whp -------------------- "Cheer up, things could get worse. So I cheered up and things got worse."

Hello Doug, In height they are almost at HC49 (x-tal) height. The largest component is the tuning resistor but also the BNC is tall. In mij case the highest part is the cooling for the power

Hello Doug, Price for the PCB is in Euro 9,15 which is USD 10,28 (exchange rate today in Europe). Shippingcosts is hard to say because he only can find out in Germany The seller is Dirk DH4YM, email

Kees, would you measure the tallest component on the board for me please.? ?I am working with the case guy

I thought that I would try to get 10 boards from PCBWay and see what the current political environment was going to cost me.? The boards are under the 100x100mm area.? In fact, 97x65mm in size. I

Here is another great resource that is free. This is an E-Book called "From Crystal Sets to Sideband", written by Frank Harris K0IYE. It starts at a level below EMRFD, and I personally think it is

Lee's, Let me second Doug's request for the PCB source address and cost. Obliged. -- William, k6whp -------------------- "Cheer up, things could get worse. So I cheered up and things got worse."

Keep, how much was the board and where do you order it from.? Thanks. Doug

Hello Doug, the measurements are also in the manual. Just 1 manual for all the 3 models. I have 2 of them (40m and 30m) and just received the PCB for the 20m version. There is a German OM who is

Thanks Kelly,? yes, just what I needed.

I think Chuck's videos are a good starting point - at some point, you just gotta dive into the pool. I have used some of the circuitry found here (thanks to Hans)