Swl 2m rx

SWL 2m RECEIVER

w w w . 4 s 5 g s . g a y a n @ g m a i l . c o m

4S6GGS

This experiment was done when I was a SWL. This circuit was

based on a FM radio originally made for receiving FM

broadcast stations. I modified its RF coil & local OSC coil &

removed BPF at the front end & replaced. And Also AM

section was disabled in the receiver

SWL 2m RECEIVER

4S6GGS Gayan E Mail - [email protected]

Her I am use TA2003 IC in this SWL 2m Receiver

TA2003 DESCRIPTION

The UTC TA2003 is AM/FM Radio IC ( FM F/E +AM/FM IF ) which is designed for AM/FM Radios.

FEATURES

* FM IFT, AM IFT and FM Detector Coil aren’t needed.

* Operating Supply Voltage Range VCC ( opr ) = 1.8 ~ 7V ( Ta=25°C).

This experiment was done when I was a SWL lesson 145.625MHz Repeater . This circuit was based on a FM

radio originally made for receiving FM broadcast stations. I modified its RF coil & local OSC coil & removed

BPF at the front end & replaced. And Also AM section was disabled in the receiver.

SWL 2m RECEIVER


SWL 2m RECEIVER


H = 39.93mm x W = 61.15mm

SWL 2m RECEIVER


Assembly variant:

C1 30pF

C2 223

C3 103

C4 104

C5 104

C6 15pF

SWL 2m RECEIVER


C7 220uF

C8 15pF

C9 22pF

C10 3pF

C11 104

C12 103

C13 502

C14 103

C15 100uF

C16 220uF

C17 103

CF1 10.7MHz Ceramic Filter

IC1 TA2003

IC2 TA7368

L1 10.7MHz

L2 10uH

L3 3.5T D 4mm C.D 0.5mm

L4 4.5T D 4mm C.D 0.5mm

R1 330R

R2 27k

TC1 Tuning Cap

VR1 50k

SWL 2m RECEIVER


Swl 2m rx

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