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Q67000-A5181

Dual Conversion AM Receiver

Siemens AG 

Dual Conversion AM Receiver

TDA 4360X

1

Overview

1.1 Features

• High flexibility with an external preamplifier stage

• Sym. or asym. mixer input

• 2-pin oscillator for the 1. LO

• 1. LO with LC tank circuit

• 1. LO at 100 MHz range

• Low narrow band noise

P-DSO-28-1

• Divider for 1. LO by 10 for the 100 kHz … 2 MHz range

and by 8 for the 2 MHz … 6 MHz range

• Integrated AGC generation

• Strictly symmetrical RF path

• Decoupled counter output

• 2. LO with quartz or external source

• Output for gain controlled 2. IF

• Switchable AGC time constant

Type

TDA 4360X

Ordering Code

Q67000-A5181

Package

P-DSO-28-1

1.2 Application

The TDA 4360X is an integrated dual conversion AM receiver for use in car radios.

The input signal passes a linear mixer for conversion into the 1. IF (~ 10 MHz). Via an

external bandpass filter (CER filter, quartz filter) the 1. IF is converted in a second linear

mixer to the 2. IF (~ 460 kHz).

After an external narrowband selectivity (CER filter) the 2. IF passes an automatic gain

controlled (AGC) amplifier and is then demodulated to the AF. The AGC time constant

can be switched with a ratio of 20.

For counter controlled search tuning stop (STS) the frequencies of the 1. LO and the

2. IF are available.

Semiconductor Group

1

04.96

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