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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.

Schematic Delay

Electronic Schematic Base band Delay Line using TDA4661 Baseband Delay Line using TDA4661 Electronic Schematic Base band Delay Line using TDA4661 General Description The TDA4661 is an integrated baseband delay line circuit with one line delay. It is suitable for decoders with colour-difference signal outputs (R-Y) and (B-Y) Features Two comb filters, using the switched-capacitor […]

How to draw a circuit diagram involving voltmeter and ammeter?

Meep asked: The circuit has one parallel (two resistors) and two other resistors in a series. If we found the current in every resistor, do you show that on the circuit diagram? so basically my question is.. do you only put the A in one part of the diagram? or with each resistor? i’m just […]

Is there online PCB Design course available?

Prabir Debnath asked: I am embedded board designer. I would like to know PCB Designing in detail, preferably through online pcb design course I am sorry for categorizing in the Special Education — my mistake

How can i design a PCB from a circuit diagram?

Marcus P asked: I know about electronics and the different components, but im completely self taught so there are a few holes missing. How do i ground wires. and what does vref1 and vref2 mean

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