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Posts tagged 초고속 인터넷

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.

MC3403 datasheet, Pinout, application circuits

MC3403 datasheet, Pinout, application circuits Quad Low Power Operational Amplifiers using MC3403 The MC3403 is a low cost, quad operational amplifier with true differential inputs. The device has electrical characteristics similar to the popular MC1741C. However, the MC3403 has several distinct advantages over standard operational amplifier types in single supply applications. The quad amplifier can […]

RF power amp

100 W LDMOS RF power transistor circuit for broadcast transmitter applications S-band radar applications in the 2.9GHz to 3.3GHz frequency range using BLS2933-100 100 W LDMOS RF power amp using transistor for broadcast transmitter applications, S-band radar applications in the 2.9GHz to 3.3GHz frequency range using BLS2933-100 100W LDMOS power transistor for S-band radar applications […]

A simple Switch – flip flop

Given that the diode can be made to conduct, or not to conduct, simply by the choice of applied voltage polarity, then it must be possible to use any diode as a switch. So if you want to follow me, then just wire together the following circuit on a bit of breadboard, or something. Set […]

Audio Amplifier Circuit Using STK460

Audio Amplifier Circuit Using STK460

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