​Allison --- THanks VERY VERY much for that informative post about using a 1n400X diode as a rf gain control!!!! Gordon

It is incomplete.. You have the audio detection to get an AGC control voltage but you don't show what your controlling. What I find odd in general every one seems to be bent on leveling the audio

Ya know this is really easy to do with "#If defined" statements in just a single sketch... if you uncomment a symbol like "#define I2C_Display" and comment out the "#define Parallel_Display" (or vice

Any chance of getting an option for an I2C display or a non-I2C display? tim ab0wr "John" <passionfruit88@...> wrote:

Any comments on using a H11F3M MOSFET Optocoupler as the AGC on the uBITX. One of their applications shows an "Audio AGC" circuit. Seems quite simple and easy to implement here. 73 Kees K5BCQ

Excellent! Thanks!

Hi Jack, I have the same bitx40 with pot tuning , just wanted to make it to rotary , did you finally managed to correct the code ? , if yes does that straightway goes into that Si5351 control board ?

Great job, Rod! Very good manual & much needed! Thank you! Tom AB7WT

Sounds right. My delivery was 11 weeks from order date. When I read about the stoppage due to toroid shortage/no-supply I guesstimated longer. Communication on this list kept me informed. Terry -

https://amateurradiokits.in/store/metal-enclosures/ ...but I believe the demand has been such that they're on hold until April 15. Some, or all, might be 'out of stock' for now. Mike Yancey,

BTW, is there a way to edit posts once submitted? I would like to make a minor change but don'ts see a tool for that.

This circuit is an audio envelope detector - it provides a dc voltage that corresponds to its input audio voltage. This is then applied as a gain control signal to a "voltage controlled amplifier" of

John, could you point me at the website for the case? 73, Paul K2AYZ

This should work well Hidheiko-san. 73, John

TKS John, OK all about how to activate the S-Meter. Well I will try the AGC voltage from MAX9814 MIC AMP Board you introduced before. And I've ordered to eBay as blow

Hello Hidheiko-san, The S-Meter display needs to read the level of AGC or an audio level from pin A7 on the Raduino (the unused pin on the Raduino connector). In the program it is shown in file

Mni tks Rod!!! 73's de IK2YRA 2018-04-06 19:09 GMT+02:00 wishbone_aaa <dlmock@...>: -- Carlos Wenzel ik2yra@... +39-3284684518 Skype: IK2YRA

Hello John, Thanks for tour modified firmware. Well I tried the latest version and had a success with uploading arduino. I can see the S_ meter display but its level up to maximum and I can not hear

How long does it take to ship to US? Need a price on 2 boards plus shipping to US. thanks

I ordered mine on Feb 17 and a paypal shipping notification arrived today April 6. Coming DHL.