$2.00
A-13 bare board
serial regulator, output + and – 15V, 1A, with rectifier and filter capacitor board size: L 88mm X W 60mm
A-13 assembled & tested serial regulator, output + and – 15V, 1A, with rectifier and filter capacitor board size: L 88mm X W 60mm
TP-2 bare board MOSFET power regulator board, same as TP-1 but constant current source using resistor instead of MosFet, Voltage adjust from 100V~350V by changing two zener diode, current output 200mA. Heater voltage selectable from 6.3V and 12.6V. board size: 220mm X 62mm
A-15D assembled & tested Serial regulator low output impedance and ripple current, adjustable from ±5~±60V. board size: L 120mm X W 75MM
TP-4 assembled and tested Gold Plated double side pcb, MosFet output, delay function on the high voltage output, with four heater voltage supply output adjustable from 6.3V to 15V board size 230mm X 155mm . 2.4mm thick
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