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Any Band Direct-Conversion SSB/CW Receiver

Links | Specifications

Model 1056 single band direct conversion receiver kit. This is your best buy, by far, in a ham band direct conversion receiver kit. It has better audio and filtering than the others, and we supply all of the parts and instructions to let you build it for (or change it to) ANY band of your choice. There are only minor coil and capacitor differences in the simple RF input and oscillator sections of a basic direct-conversion receiver. We give you ALL parts needed to build for your choice of 160, 80, 75, 40, 30, 20, 17, 15, 12 or 10 meters! Try out your own multi-band switching ideas. An ideal receiver for use with a homebrew QRP transmitter! MUTE function included for use with your transmitter. We recommend case (undrilled, no holes) TPx-45 for this receiver, available in unpainted aluminum, black or charcoal. Order TP-45 for aluminum, TPB-45 black, TPC-45 charcoal. Building skill level: Beginner to intermediate. Must be able to solder, read instructions, and use small hand tools.

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Specifications

Signetics NE612 mixer/oscillator

Varactor tuning (MV209)

Zener diode regulation

LM358 op amp bandpass filter

Front-panel bandpass control

Signetics TDA2611A audio amplifier IC

Stereo output jack for small headphones

Speaker audio available

Separate "Bandpass" and "Bandspread" controls ("Bandspread" for large tuning movements, "Bandpass" for fine tuning of heard signals)

RF gain control

Provision for TX sidetone injection

Provision for external audio muting during TX

Frequency counter output from local oscillator

Efficient 6" wide x 2.25" board layout

Operates 12-15 Vdc

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