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)
Assembled Main Board
Photograph From MKARS User Group
Last Updated Sunday 26-Oct-2008