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Posts tagged 다이어그램 아래로

Schematic diagram for a broadband QRP SWR metering circuit and SSB TRANSCEIVER 80M / 40M boster filter IF Radio

A schematic diagram for a broadband QRP SWR metering circuit for use in a QRP antenna tuner. One could simply hold a momentary DPDT switch down and watch the LED while tuning the capacitors of the antenna tuner for minimum or zero light.

Amplifier Schematic

Amplifier Schematic 4000W Power amplifier schematic using MJ15003, MJ15004, 2N4538, 2N6421, 2N6433

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

Motorcyle Alarm – The circuit board and switches must be protected from the elements.

Any number of normally open switches may be used. Fit the mercury switches so that they close when the steering is moved or when the bike is lifted off its side-stand or pushed forward off its centre-stand. Use micro-switches to protect removable panels and the lids of panniers etc. While at least one switch remains […]

Ultrasonic Equipment

Ultrasonic Equipment circuit using IC CA3140, NE555

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