Freq. range | 50.000 - 50.270 MHz | |
RX part | Superheterodyne | |
RF amp. | 3SK74 | |
MIX | SN16913 | |
LO-OSC | 2SC1815, super
VXO with two 13.0 MHz X'tals Frequency tripled | |
IF filter | 11.2735MHz, Mizuho's SSB X'tal filter | |
IF amp. | Two 3SK59's | |
Detector | Diode ring, four 1N60's | |
BFO and Carrier-OSC(SSB) | 2SC1815 | |
AF amp. | 2SC1815 and LM386 | |
TX part | ||
MIX | SN16913 | |
Carrier-OSC(CW) | 2SC2458 | |
Buffer amp. | 2SK124 | |
Driver amp. | 2SC2003 | |
Final amp. | 2SC1971 | |
Output power | 3 Watts with 13.8Volts | |
T/R switch | ||
Full break-in | Two PIN diodes Back-to-back in RX antenna and audio mute with 2SK168 |