TEA6823 Просмотр технического описания (PDF) - Philips Electronics

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TEA6823

In Car Entertainment (ICE) car radio

Philips Electronics 

Philips Semiconductors

In Car Entertainment (ICE) car radio

Preliminary specification

TEA6823T; TEA6825T

handbook, full pagewidth

GENERATOR

R&S SMPC

Rg = 50 Ω

1:1

fIF1 = 72.2 MHz

13

19

TEA6823T

TEA6825T

14

20

+8.5 V

3.5 2

3.5

fIF2 = 10.7 MHz

LOW NOISE

330

AMPLIFIER

Ω

AVD 704201

(S/N = 103 dB)

SPECTRUM

ANALYZER

HP8568A

MHA702

Fig.4 Test circuit FM mixer.

handbook, full pagewidth

GENERATOR

R&S SMPC

Rg = 50 Ω

PASSIVE

ATTENUATOR

–6 dB

RIN = 50 Ω

ROUT = 330 Ω

10 nF

10 nF

27 TEA6823T 29

TEA6825T

24

4

330 OSCILLOSCOPE

Ω

PM3295A

10 nF

MHA703

Fig.5 Test circuit IF-amplifier.

handbook, full pagewidth

GENERATOR

R&S SMPC

Rg = 50 Ω

10 nF

50 Ω

37

1 10 nF

TEA6823T

TEA6825T

35

2

10 nF

100 nF

OSCILLOSCOPE

PM3295A

MHA704

1998 Mar 24

Fig.6 Test circuit limiter gain.

18

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