TBA121 查看數據表（PDF） - Siemens AG

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TBA121

FM-Sound IF with SCART Switch and Volume Control

Siemens AG 

TBA 121-5

Characteristics (cont’d)

TA = 0 to 70 ˚C; VS = 10.5 to 15.5 V; refer to test circuit

Parameter

Design Notes

Input resistance

Output resistance

Output resistance

Input resistance

Input impedance

Residual IF voltage

Hum suppression

VS/VQ 9, 14 (without

de-emphasis C)

Crosstalk attenuation

(test conditions for

reference point)

Symbol

Limit Values

min. typ. max.

R I 6, 7

10

RQ9

R Q 14

R I 10, 12 20

Z I 16

VQ 9, 14 (IF)

a qh

100

200

800

10

30

a 12-14

60

Attenuation IF MUTE

a 14

80

Unit Test Condition

kΩ

Ω

Ω

kΩ

Ω

mV

dB ∆ V S = 500 mVrms

f S = 100 Hz

dB V 12 = 2 Vrms;

RF mode: ∆ f = 30 kHz;

f mod = 1 kHz;

f I 16 = 5.5 MHz

V I 16 = 10 mV

dB f I 16 = 5.5 MHz;

V13 = 4.8 V; V I 16 = 300

mV; f mod = 1 kHz;

∆ f = 30 kHz;

IF MUTE = ON;

measured

selectively

at 1 kHz

Semiconductor Group

98

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