May 1984

8

Philips Semiconductors

Product specification

AM receiver circuit

TDA1072A

APPLICATION INFORMATION

Unwanted signals

Suppression of i.f. whistles at

a.f. signal of m = 30%

−

37

−

dB

−

44

−

dB

I.F. suppression at r.f. input

for symmetrical input

−

40

−

dB

for asymmetrical input

−

40

−

dB

Residual oscillator signal at mixer output

−

1

−µA

at 2

−

1,1

−µA

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

Fig.2 Oscillator circuit using quartz crystal; centre frequency = 27 MHz.

(1) Capacitor values depend on crystal type.