TEA6821T Philips Semiconductors, TEA6821T Datasheet - Page 19

• Manufacturer Part Number: TEA6821T
• Description: ICE car radio
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Notes to the characteristics
1. By changing the value of the input resistor at pin 12 the MPX input can be adapted to the level of the FM demodulator
2.
3.
4.
5.
6.
7.
September 1993
ICE car radio
output (see Fig.20). A 3rd order low-pass filter f
For AM the VCO is switched off. Interference gate at MPX demodulator outputs.
2
3
57
67
114
190
=
=
=
=
=
ARI
---------------------------------------------------------------------- - f
V
---------------------------------------------------------------------- - f
V
------------------------------------------------------------------------ f
V
V
V
0
0
------------------------------------------------------------------------ f
V
------------------------------------------------------------------------ f
V
V
0
0
0
V
0
V
0
spurious
spurious
0
spurious
0
0
signal
signal
=
spurious
spurious
signal
signal
signal
-------------------------------------------------------------------------------------------------- -
V
0
spurious
V
at 1 kHz
at 1 kHz
at 1 kHz
0
at 1 kHz
at 1 kHz
at 1 kHz
at 1 kHz
at 9 kHz
at 4 kHz
at 4 kHz
signal
at 1 kHz
;
;
at 1 kHz
;
s
s
;
;
=
=
s
s
s
=
=
=
2 x 10 kHz
3
110 kHz
186 kHz
2
23 Hz
13 kHz
g
38 kHz
= 90 kHz at the MPX input provides extra 190 kHz ACI suppression.
–
–
–
5
–
3
19
19 kHz
38 kHz
–
38 kHz
67 kHz
38 kHz
Preliminary specification
TEA6821T