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Posts tagged broadband

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.

How to solder a very ideal for assembling electronic components?

SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is […]

Static Voltage Stabilizer circuit

Regulator Negative Bias Supply 424V to 600V DC, -42V DC

Adjust the Layout of Components on PCB

Adjust the Layout of Components on PCB The layout of a PCB can be very important so I always lay the components out as they are in the circuit diagram to begin with. Instead of circuit symbols I draw the component pins. The drawing is made with a pencil on 1/4″ squared paper. The compnents […]

Audio Amplifier Circuit 15 Watts

Audio Amplifier Circuit 15 Watts Class B This is the circuit diagram of 15W BTL audio amplifier based single power IC TDA1553Q

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