Freq. range |
7.000 - 7.030 MHz |
RX part |
Superheterodyne with RIT and side tone |
|
RF/LO-OSC/MIX |
TA7358AP (IC originally for FM front-end) |
|
LO-OSC |
super VXO with two 11.5412 MHz X'tals |
|
IF filter |
3-element 4.5MHz HB ladder X'tal filter,
BW=400Hz |
|
IF amp. |
2SK168 |
|
IF amp./Detector/BFO |
TA7358AP |
|
AF amp. |
TA7359P(dual OP-amp.) and LM386 |
TX part |
|
Carrier-OSC/MIX |
TA7358AP with offset freq. |
|
Buffer amp. |
2SK168 |
|
Driver amp. |
2SC2055 |
|
Final amp. |
2SC1969 |
|
Output power |
3 Watts with 7.5 Volts 1.0 Amps |
T/R switch |
|
Full break-in |
Two PIN diodes Back-to-back in RX antenna
and audio mute with 2SK168 |