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Posts tagged 트랜시버 튜너

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.

Audio Amplifier Circuit

Mono Audio Amplifier Circuit using TDA2050

LED LINEAR

5 DOT LED LINEAR LEVEL METER DRIVER circuit using KA2284 5 DOT LED LINEAR LEVEL METER DRIVER circuit using KA2284 The KA2284 are a monolithic integrated circuit disigned for 5-dot LED level meter drives with a built-in rectifying a amplifier, it is suitable for AC/DC level meters such as VU meters or signal meters. FEATURES […]

Switching Power

Switching Power circuit diagram for tv

Audio Power Amplifier

Audio Power Amplifier using IC M5152L and LA4440 Audio Power Amplifier using IC M5152L and LA4440

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