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| Created | June 17, 2025 |
| Last modified | September 02, 2025 |
| Tags | 12v-dc-power-supply |
Regulated dual-polarity +-12VDC 100mA power-supply circuit.
Regulated dual-polarity +-12V DC power-supply for op-amp circuits. 100mA current capability. Will supply 10 to 12 op-amps configured for split-supply operation. Regulators are: +Reg. LM7812CV-DG, -Reg. L7912CV-DC. Both rated up to 1A current. Require +16V and -16V DC inputs, respectively. The regulators must have heat-sinks. Bridge Rectifier is VS-KBPC102G, 200V, 3A. Power Transformer is Hammond 187A24; Pri. 115V AC @ 60 Hz, Sec. 24V AC CT, 100mA, 2.4W, chassis mount.
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