Output T/R Bias Switching Board Sb220,Sb221,Hl2200
$98.00
Description
Includes Resistor on board for self bias. Must use a soft key Internal to amp or external.
Rf out – output coax to output so-239
B- – black wire bias from meter board
Ct – yellow wire green stripe center tap from filament transformer
V- blue wire switched side of 120vdc from soft start or rca jack
V+ 120 vdc from rectified winding filament transformer
Rf in – coax from input so-239
Amp in – coax going to input circuits
Rf out – solid lead coming off of tank output network
Install video only no paper instructions
Heathkit Sb220, Sb221, Hl2200 T/R Bias Relay Installation Video
https://youtu.be/pE44CzAmZqg
https://youtu.be/pE44CzAmZqg
Additional information
| Weight | .4 lbs |
|---|---|
| Dimensions | 3 × 3 × 3 in |
