3.5 To 10Mhz Simple Superheterodyne Receiver

Posted on Jul 5, 2012

In this circuit, Ul is a frequency converter that feeds the 455-kHz IF stage U2 and detector

3.5 To 10Mhz Simple Superheterodyne Receiver
Click here to download the full size of the above Circuit.

U3. U4 is the audio output stage. R9 is a gain control that varies the gain of U2. Coil data is given in the part list. R6, R710k, YiWcarbon composition R910kpotentiometer T1, T210.7 MHzmicrominiature (7mm)Mouser PN 42IF223 IF transformer, green core T3,T4455 kHzmicrominiature (7mm)Mouser PN 42IF203 IF transformer, black core U1, U3NE602double-balanced mixer U2MC3340variable attenuator U4LM380N-8audio amplifier U578L05100 mA miniature+5V regulator * C10 and C11 can range from 0.1 to 0.22. Valves greater than 0.33 cause distortion. Other: Printed stripboard, DSE PN H5614 or equivalent, cabinet, plastic stick-on feet, 4-40 hardware, etc.

Leave Comment

characters left:

New Circuits



Popular Circuits

Digital Car Voltage Meter
Microcomputer circuit
Frequency Shift Keyer
74C164 8 bit shift register work as a heart for car LED light sequencer
Simplest atmega8 programmer Using LPT Port
Light dimmer circuit using DIAC and TRIAC
1000 watt power inverter schematic
SLA7070MPR 2-Phase Stepper Motor Unipolar Driver ICs
Selfrunning Free Energy 5 KW Kapanadze 4
Metal detector 8
Circuit of graphic equalizer of 7 bands using it integrated la3607 of Sanyo
Water Activated Alarm circuit