$15.00
A-11P bare board
Tp-3 Bare board MOSFET power regulator board, using MOSFETas voltage regulator, tube rectify 6Z4,constant current source using resistor, Voltage adjust from 100V~350V. Heater Voltage regaltor ( LM317), voltage selectable from 6.3V to 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
A-19 assembled and tested board output voltage adjust from 5V to 20V Max output curennt 5A (use a larger size heatsink) use LT1083 as volatge regulator board size:L110mm W60mm thickness 2.5mm
A-13 assembled & tested serial regulator, output + and – 15V, 1A, with rectifier and filter capacitor board size: L 88mm X W 60mm
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