Philips TDA8303A - Manual (Page 14)

July 1992 14
Philips Semiconductors Preliminary specification
Small signal combination IC for black/white TV
TDA8303
TDA8303A
Fig.4 Test set-up intermodulation.
Input signal conditions
SC = Sound carrier
CC = Chrominance carrier
PC = Picture carrier
All with respect to top sync level
Value at 1.1 MHz : 20 log
V
O
at 4.4 MHz
V
O
at 1.1 MHz
-------------------------------------- 3.6 dB +
Value at 3.3 MHz : 20 log
V
O
at 4.4 MHz
V
O
at 3.3 MHz
--------------------------------------
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MLA666
ATTENUATOR
SPECTRUM
ANALYZER
TEST
CIRCUIT
CC
34.5 MHz
PC
38.9 MHz
SC
33.4 MHz
Σ
gain setting adjusted
for blue or yellow
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MBC213
SC CC PC
30 dB
13.2 dB
3.2 dB
SC CC PC
30 dB
13.2 dB
10 dB
BLUE YELLOW