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TDA1001

Interface and noise suppression circuit for FM receivers

Philips Electronics 

Philips Semiconductors

Interference and noise suppression

circuit for FM receivers

Product specification

TDA1001B

TDA1001BT

GENERAL DESCRIPTION

The TDA1001B is a monolithic integrated circuit for suppressing interference and noise in FM mono and stereo receivers.

Features

• Active low-pass and high-pass filters

• Interference pulse detector with adjustable and controllable response sensitivity

• Noise detector designed for FM i.f. amplifiers with ratio detectors or quadrature detectors

• Schmitt trigger for generating an interference suppression pulse

• Active pilot tone generation (19 kHz)

• Internal voltage stabilization

QUICK REFERENCE DATA

Supply voltage (pin 9)

Supply current (pin 9)

A.F. input signal handling (pin 1)

(peak-to-peak value)

Input resistance (pin 1)

Voltage gain (V1-16/V6-16)

Total harmonic distortion

Bandwidth

Suppression pulse threshold voltage

(peak value); R13 = 0

Suppression pulse duration

Supply voltage range (pin 9)

Operating ambient temperature range

VP

IP

Vi(p-p)

Ri

Gv

THD

B

Vi(tr)OM

ts

VP

Tamb

typ. 12

V

typ. 14

mA

typ. 1

V

min. 35

kΩ

typ. 0,5

dB

typ. 0,25

%

typ. 70

kHz

typ. 19

mV

typ. 27

µs

7,5 to 16

V

−30 to + 80 °C

PACKAGE OUTLINE

TDA1001B: 16-lead DIL; plastic (SOT38); SOT38-1; 1996 September 06.

TDA1001BT: 16-lead mini-pack; plastic (SO16; SOT109A); SOT116-1; 1996 September 06.

December 1982

2

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