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I've a tray full of Intersil TO-3 VN66s here dating from about 1980. Used some in 5 watt qrp amplifier, used to drive it from the Tx low-level stage of my Atlas 210X for QRP. de miken,? ?zl1bnb

I too have seen this. I have yet to sort mine out and usually for me happens on an antenna and not the dummy load. Brad

I was testing into a dummy load and noticed that when I whistled into the mike, or even spoke into it on higher frequencies, would cause the rig to react as if I had pressed the button on the encoder.

That's extremely interesting and informative, and completely contrary to what I'm trying to do. I like the answers about using the pot on the board to lower the output power. Excellent. I'll probably

Hello Arv Plastic cases on power supplies can be sprayed with conducting metal paint on the inside to stop RFI. Just be sure no high voltage parts touch the now metalized surface. 73 -- John VK6JAH

Thanks Allard, I will check that out. 73 -- John VK6JAH

Allison I think he's trying the SDR function of Ian's firmware? That taps off the IF to feed an SDR dongle.

"I have not lost my mind, its backed up around here somewhere." -- Lee - N9LO?"I Void Warranties"

Mike N4EEV Just old and remembering some of the solutions that worked in the past. I finally got my act together and now I can't remember where I put it! 8-) Arv K7HKL _._

This amp works very well, with very low distortion. http://darrenyates.com.au/electronics/archives/31 I have built this amp to verify, it but note the voltage range up to 12v. I found the final pair

Arv, you are one smart dude! I love your idea. Mike N4EEV

From R43 to C32, Is this a uBitx or bitx40? What mod involves the emitter resistor of q40(R43) and output capacitor(C32) of Q32 in the 12mhz IF??? Allison

Perfectly said and I totally agree.? This is a wonderful group to belong to. -- Lee - N9LO?"I Void Warranties"

Good Afternoon, It appears all the opinions have faded - I have an update.? I purchased an Amazon LM386 mini amplifier, and? isolated it with a 100mF Electrolytic with the positive side towards the

You can't regulate output "power" by regulating the amount of current the power supply provides. You can regulate the voltage you apply but the current drawn is a function of the input power to the

There are two display options for the JackAl board: 5" or 7". These are purchased from BuyDisplay.com. Their order numbers are: ER-TFTM050-3??????? (5")ER-TFTM070-5??????? (7") both

at the risk of leaving someone out, I won’t mention anyone specific, but rather speak to the several as a group.? I want to say a special thanks to you... those that provide great kits at a more

I take them seriously as it impacts future upgrades of the compiler which may not accept it at all.? That and its a basic fix. I'm an old Pascal user and wild type changes were not permitted.??

Yes it does but insufficient and is very sensitive to the DC beta(HFE) of the particular device. The two posted do not exhibit this.? I can list a small high of gear that use similar rather than an

As I was "parts shopping" online I came across a micro SD card extension cable that could be used, I think, to extend the micro sd card slot of the Nextion display out to the exterior of the case -