$2.00
A-13 bare board
serial regulator, output + and – 15V, 1A, with rectifier and filter capacitor board size: L 88mm X W 60mm
GA-31B assembled & tested Output DC voltage: High 200V × 2 Filament 6.3V × 2 -15V × 1 -24V × 1 board size : 125mm×230mm
A-13 assembled & tested serial regulator, output + and – 15V, 1A, with rectifier and filter capacitor board size: L 88mm X W 60mm
TP-1 assembled & tested MOSfet High Voltage Regulator, using MOSfet as regulator, using constant current source, B+ can adjust from 100 to 350V 200mA by change the two zener diode. Heater voltage reglator (LM317) selectable from 6.3V and 12.6V board size: 220mm X 62mm
A-22 assembled and tested board input voltage 65V AC ouput volatge adjustable to 70V AC output current 100mA ripple voltage not greater than 2mV short circuit current 180mA board size: L115mm W75mm thickness 2.5mm
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