High and low frequency signal generator circuit diagram

Posted on Mar 28, 2007

As shown in the high-frequency signal generator capable of generating a low frequency 1kHz, 465kHz IF signal and the high frequency of 525 ~ 1605kHz, to repair radios or other

High and low frequency signal generator circuit diagram
Click here to download the full size of the above Circuit.

circuit debugging very helpful for beginners production. Transistor VTl ~ VT3: choice 3DGl00,3DG201 other high-frequency low-power silicon tube, fT 100MHz, values between 50 and 100. C7 can be used 7/270pF radio with double or single row of capacitors connected capacitors. Oscillation transformer T can be carried out in radio in the week on the restructuring, on the core with a high strength wire 0.08mm around Ll, 100 turns, L2,35 turns. C8 510pF available mica capacitors. Q three-stage selection of 465kHz IF ceramic filters. Sl optional DPDT type switch. Other component values shown in Figure labels.

Leave Comment

characters left:

New Circuits



Popular Circuits

RGB LED Controller with PIC18F25K20
Single Ltc Power Supply Circuit
Differential Equations
microcontroller 12V relay circuit converted to 5V relay under uC control
Led Running Lights
dimmer circuit puzzle
car burglar alarm timer
Sense of Time tester circuit
Voltage doubler circuit using NE555
Electromagnetic Field Probe with Meter Outputs
Motion Detector with PIR Sensor
2 line intercom plus a telephone changeover switch
Water Activated Relay
High-rise residential walkway lighting control circuit
Constitute a CMOS circuit time adjustment of a spot welder