MKARS 80 QRP Transciever

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For full details of the project click here

 

Features :

• Full 80M LSB coverage
• > 5 Watts output power
• Frequency display with “Huff and Puff” circuit
• Modulation monitor – helps stop over modulation
• Volt meter – useful for battery operation
• DDS VFO option
• CW tone oscillator option

Typical Specifications (13.8V supply)

Operating Frequency - 3.5 – 3.8 MHz
RF output - > 5 W
Sensitivity - MDS better than 1 uV
IF frequency - 9.999 MHz
Audio output - Approximately 0.5W
Current consumption - Receive 120 mA (no signal),
Transmit 1.2 amps
Supply voltage - 10 – 16V
Microphone - Low cost electret type
Loudspeaker - 8 Ohm (will work into 4 Ohm)

 

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Assembled Main Board
Photograph From MKARS User Group

Last Updated Sunday 26-Oct-2008