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Heathkit HP-23B - User Manual

Heathkit HP-23B
10 pages
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Heathkit HP-23B Specifications

General IconGeneral
Maximum DC Current (+250V)100mA
Maximum AC Current (6.3V)3A
Output CurrentVariable
Frequency50/60 Hz
DC Output Voltages+250V, +125V, -125V
Line Regulation1%
Load Regulation1%

Summary

Introduction to the Heathkit AC Power Supply

Circuit Description of the HP-23 B

Primary Circuit Operation

Describes the AC ON/OFF switch, circuit breaker, and transformer primary wiring.

High Voltage Secondary Circuit

Details the full-wave voltage doubler rectifying circuit for high voltage output.

Low Voltage Circuit

Explains the half-wave voltage doubler circuit for low voltage output.

Bias Voltage Circuit

Details the half-wave rectifier circuit providing fixed bias voltage.

Filament Voltage Circuit

Describes the circuit providing 12.6 Vac filament voltage.

Initial Tests for Power Supply Setup

Operating the Heathkit HP-23 B

Troubleshooting Difficulties

General Troubleshooting Information

Provides general advice for resolving issues after assembly or during use.

Technical Specifications

High Voltage Supply Specifications

Lists output voltage, capacitance, ripple, and duty cycle for the HV supply.

Low Voltage Supply (High Tap) Specs

Details output voltage, ripple, and duty cycle for the high tap LV supply.

Low Voltage Supply (Low Tap) Specs

Lists output voltage, ripple, and duty cycle for the low tap LV supply.

Other Output Voltages

Specifies fixed bias and filament voltages provided by the supply.

General Unit Specifications

Covers power requirements, dimensions, and net weight of the unit.

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