New Radio IF 9MHz Schematics

New Radio IF 9MHz Schematics

Here you will find schematics for our homemade new SSB/CW transceiver. Synthesizer is based on DDS AD9832 from AnalogDevices and controlled with microcontroller PIC16F877 from Microchip.

Schematics

Synthesizer with microcontroller - PIC16F877 and DDS - AD9832
Synthesizer with microcontroller – PIC16F877 and DDS – AD9832
as PDF

 

VCO generators
VCO generators
as PDF

 

Main unit 27-10-2009
Main unit 27-10-2009
as PDF

 

Main unit top PCB 27-10-2009
Main unit top PCB 27-10-2009

 

Main unit bottom PCB 27-10-2009
Main unit bottom PCB 27-10-2009

 

Chebishev low-pass filters for -60dB with 0.200dB passband ripple
Chebishev low-pass filters for -60dB with 0.200dB passband ripple
as PDF

 

Encoder and voltage regulators from 6-13V to 28V
Encoder and voltage regulators from 6-13V to 28V
as PDF

 

Voltages (+13.5V, +28V, +12V, -12V, -5V), VOX, RX/TX communications
Voltages (+13.5V, +28V, +12V, -12V, -5V), VOX, RX/TX communications
as PDF

 

LCD and control of keyboard (click for large img)
LCD and control of keyboard
as PDF

 

Front panel with commands
Front panel with commands
as PDF

 

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