YO4HFU
Various Schematics Collection

UNDER CONSTRUCTION...

 

Over time, I have gathered various interesting schematics, want to make them available to everyone. I don't intend to organize them into categories.

Enjoy!

 


3 Phase Detector
CTCSS Encode/Decode NC102
CTCSS Encode/Decode NC101
DTMF controller 223C
CTCSS Encoder/Decoder ST-101
Vega CTCSS
HP8444A Adapter 500MHz LO
Distorsion Meter LDM-171 service manual
Sinad meter Motorola R1013A service manual
Sinad meter Sinadder Linear 5 service manual
Sinad meter Sinadder 3 service manual
Step by step motors controller
Vaisala RS-90 schematic
VCR AV Modulator

 

 

 

 

 

 

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