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Posts tagged Create HFE Tester

Create HFE Tester Circuit Diagram

Create HFE Tester Circuit Diagram using BC560, TIP142 Create HFE Tester Circuit Diagram

Electronic Circuit Diagram Power Amp 100w with 2N6254

Electronic Circuit Diagram Power Amp 100w with 2N6254

Alternating on/Off Control circuit

Alternating on/Off Control – This circuit using 2N3904, PMV65XP

Portable guitar headphone circuit

Portable guitar headphone circuit I built a portable headphone amplifier for testing purposes Headphone amp circuit using : R1 = 10K R2 = 100K R3 = 68K R4 = 1.5K R5 = 3.3K R6 = 330R R7 = 4K7 R8 = 2.2R C1 = 1µF-63V C2 = 100µF-25V C3 = 470µF-25V Q1 =  BC239C Q2 […]

Constant high current regulator – circuit modules

Constant high current regulator – circuit modules using BD140, 555, 3041, BC546, 4060 Constant-Voltage Constant-Current Battery Charger – BD140, 555, 3041, BC546, 4060

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