HOMEBREW
T/R SWITCH
| T/R switch
for connecting RX and TX to the antenna system. Audio muting when TX is active. Side tone on CW. TX keying. PA keying. Monitor output for oscilloscope, frequency counter or spectrum analyzer. |
Max power: ...........250 Watt Impedance: ...........50 ohm Loss v. 3.7 MHz: .....0.010 dB Loss v. 30 MHz: ......0.013 dB Loss v. 145 MHz: .....0.060 dB Power: ...............12 Volt DC Monitor out: ........-36 dB Frequency range: .....DC – 200 MHz The loss is equal to less than 20 cm RG58 cable. |
Testing the T/R
SWITCH with an Hallicrafter HT46 and
Yaesu FL-2100B PA, RX is an Lorenz LO6K39a.
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