GA-31B assembled & tested
Output DC voltage:
High 200V × 2
Filament 6.3V × 2
-15V × 1
-24V × 1
board size : 125mm×230mm
GA-31B assembled & tested
Output DC voltage:
High 200V × 2
Filament 6.3V × 2
-15V × 1
-24V × 1
board size : 125mm×230mm
GA-19 assembled and tested board two channel voltage regulator on board max input voltage not greater than 75V AC each channel output voltage adjust from 5V to 90V each channel max output current 80mA with current limit protection board size: L120mm W90mm thickness 2.5mm
LS-56 bare board Transistor regular power supply.each channel using two TIP50 one LM317, two channel seperate B+ voltage adjustable from 210V-400V, two heater output using metal two LM317K,heater voltage from 6.3V to 12.6V board size: L 230mm X W 155mm. 2.4mm fibre glass board with thicker copper trace
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