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Posts tagged Rf Preamplifier

Rf Preamplifier

Rf Preamplifier using dual gate mosfet BF990A Rf Preamplifier using dual gate mosfet BF990A

Make mixer and a mic pre amp used tr BC177 or BC558

Make mixer and a mic pre amp used tr BC177 or BC558 This is the schematics of a simple low cost mic mixer that can be assembled from the components in your junk box. This two channel mike mixer is designed for handling high impedance dynamic microphones. Transistor Q1 can be any general purpose pnp […]

30 Meter Band Direct Conversion Receiver

30 Meter Band Direct Conversion Receiver

Headphone amplifier circuit

Headphone amplifier circuit using LM386N, TL082P

MAX2242 2.4GHz to 2.5GHz Linear Power Amplifier 2.4GHz PA Delivers +23 dBm Linear Output Power

The MAX2242 PA consists of a three-stage PA, power detector, and power management circuitry. The power detector provides over 20dB of dynamic range with ±0.8dB accuracy at the highest output power level. An accurate automatic level control (ALC) function can be easily implemented using this detector circuit. The PA also features an external bias control […]

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