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Posts tagged bc549

PA 3000W namec circuit diagram

PA 3000W namec circuit diagram PA 3000W namec electronic manufacturing audio #3000w circuit diagram using MPSA42, BD681, MJE350, MJE340, BC549, MJ21193 / MJ15025, MJ21194 /MJ150024 The larger watt power amplifier, the greater the power is needed from the power supply, then the resulting sound more devastating. required power supply 130v DC

Circuit diagram SSB TRANSCEIVER 80M / 40M

Units units include: 1. Exciter section working on the frequency of 3250 Kc s / d 3450 Kc. 2. RF section Oscilator Crystal Unit worked on Frekwnsi In the 80 M Ayala Oscilator Kristal is 7200 Kc In the 40 M Ayala Oscilator Kristal is 10,400 Kc 3. RF PA section I make this transceiver […]

Phantom powering schematic

Phantom powering schematic To Mic preamp

LDR Sensor Module

LDR Sensor Module for human body detection LDR Sensor Module for human body detection

Headphone amplifier diy circuit

Headphone amplifier diy circuit using BC2121, 2N3906, MJ480

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