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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.

Led Strobe

6v led strobe circuit using CD74HC4017 and MM74C14 6v led strobe circuit using CD74HC4017 and MM74C14 Led Strobe 1 IC1 MC14584BCP IC2 CD74HC4017N T1 2N3904 or 2N4401 NPN transistor 8 D1 to D8 1N4148 or 1N914 Diodes 10 LEDs Blue, green or white Ultra-Bright LEDs with Vf = 3.2V or less at 20mA 1 R1 […]

How much does an electronics design engineer make in Demark?

VLSI Engineer asked: Specifically I’d like to know if someone has a link to the salary statistics. And more specifically I’d like to know how much you think is the average pay for a VLSI engineer in Denmark with 10 years experience? Is ~50K (DKK) a good monthly salary or not?

stereo headphone circuit diagram

stereo headphone circuit diagram

Circuit diagram remote control

TV remote control Circuit diagram using SL490 This is a 32 channel infrared remote controller circuit fundamentally includes key pad, decoder, transducer stage, an output and a battery. Every key pad button generates 5 bit binary code and IC1 sends this code to the IR leds through D1 and D2 diodes.  Code is shaped from […]

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