Based on the yesterday’s DDS VFO, I made a simple receiver. Even this receiver doesn’t have any pre-select stage, I could catch a few strong AM broadcasting stations’ signal.
Please provide more details, voltage, frequency, current, power measurements, and schematic diagrams. Your videos are very interesting and rare.
@ds1tze
7 ай бұрын
A small black TR-like thing is 78L05Z, with which I make a 5v power for the VFO module. Input voltage could be 6v ~ 12v, but I used 12v. ATtiny85 based VFO code and schematic is adopted from ivang78's project in github. I added XTAL calibration feature, but you can merely hard-code the calibration value as ivang78's original code does. In case of LM386 schematic, there is nothing special, just google it. for the NE602, I used 100nF caps. All yellow caps on the board are 100nF.
@alejandrotavolini1044
Ай бұрын
No encontre el esquema , agradezco lo pueda mostrar . Gracias
@jamesfletcher8752
6 ай бұрын
what did you use for an antenna?
@ds1tze
6 ай бұрын
I used 18m length random wire antenna with 9:1 unun.
@juanmadeandaluci
10 ай бұрын
Code and schematic please
@ds1tze
10 ай бұрын
Read the previous clip’s description. You can find original author’s git repo easily. And if you want a schematic, just pause the clip and take a capture. The only mysterious one that you cannot catch is a 78L05Z voltage regulator ic. It looks like a small tr. Yellow caps are 0.1uF.
@juanmadeandaluci
10 ай бұрын
on youtube there is no previous video, it only mentions a controller with the attiny85, nothing else
@ds1tze
10 ай бұрын
Search ivang78’s si5351-tiny-vfo in github or google.
Пікірлер: 10