3sk41 Datasheet Jun 2026

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The 3SK41 was explicitly engineered for high-performance amplification and mixing in the VHF and UHF spectrums. Primary Applications

The 3SK41’s two gate terminals are its defining feature. In a typical dual‑gate MOSFET, is the input that receives the RF signal to be amplified, while Gate 2 is used for a control voltage. By varying the voltage on Gate 2, the circuit can adjust the transistor’s gain, a technique known as Automatic Gain Control (AGC) in receivers. This allowed radio designers to build simpler and more sensitive front‑ends for FM tuners without relying on variable attenuators or multi‑stage control loops. 3sk41 datasheet

in commercial avionics and vintage ham radios.

It is highly effective in frequency mixer circuits, where local oscillator and RF signals are applied to separate gates to produce an intermediate frequency (IF). Low Feedback Capacitance: This public link is valid for 7 days

: Contains detailed information on pinouts, circuit diagrams, and equivalent components.

for a specific RF amplifier or mixer design using the 3SK41? 3SK41 Datasheet, PDF - ALLDATASHEET.COM Can’t copy the link right now

Applying the local oscillator (LO) to Gate 2 and the RF input signal to Gate 1 achieves low-distortion signal mixing.