DS069-8 Aug 07

©2007 Reg. No. 227 4001, England

Page 2

Transmitters

There are three versions of transmitter:

RTFQ1;

A dual in line package operating at 3.3V. This provides the most rugged mechanical

fixing to the host PCB. Power down mode is also available.

RTFQ1 SM:

A dual in line surface mount package operating at 3.3V. This provides the quickest and

most efficient mechanical fixing to the host PCB. Currently only available in 433MHz.

RTFQ2;

A Single in Line Package incorporating a voltage regulator for 3-12V operation.

Compatible with many other RF transmitter module footprints available.

Transmitter Block Diagram

Part Numbering

Part Number

Description

FM-RTFQ1-315

DIL FM Transmitter Module 315 MHz

FM-RTFQ1-433

DIL FM Transmitter Module 433.92 MHz

FM-RTFQ1-868

DIL FM Transmitter Module 868.35 MHz

FM-RTFQ2-433R

SIL FM Transmitter Module 433.92 MHz 3-12V I/P

FM-RTFQ2-868R

SIL FM Transmitter Module 868.35 MHz 3-12V I/P

FM-RTFQ1-433SM

Surface Mount FM Transmitter 433.92 MHz

Receivers

There are two versions of receiver:

RRFQ1:

A Single in Line Package with sleep / Power down mode.

RRFQ2:

A Single in Line Package, pin compatible with many other receivers

Receiver Block Diagram

Part Numbering

Part Number

Description

FM-RRFQ1-315

SIL FM Receiver Module 315 MHz

FM-RRFQ1-433

SIL FM Receiver Module 433.92 MHz

FM-RRFQ1-868

SIL FM Receiver Module 868.35 MHz

FM-RRFQ2-433

SIL FM Receiver Module 433.92 MHz

FM-RRFQ2-868

SIL FM Receiver Module 868.35 MHz

XTAL

XTAL

Oscillator

PLL

Synthesizer

Power Amp

In

En

Out

GND

GND

Vcc

GND

Pre Amp

Filter

Out

Mixer

10.7MHz

IF Filter

FM

Demodulator

Comparator

PLL

Synthesizer

Vcc

In