TDA7514 STMicroelectronics, TDA7514 Datasheet - Page 43

• Manufacturer Part Number: TDA7514
• Description: SINGLE-CHIP FM/AM TUNER
• Manufacturer: STMicroelectronics

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Table 38. SUBADDRESS 22: Seek, ISS Adjacent Channel Detector
Table 39. SUBADDRESS 23: FM mixer1 adjust, FM AGC
MSB
MSB
D7
D7
0
1
0
1
D6
D6
0
0
1
1
x
D5
D5
0
1
0
1
0
0
1
1
D4
D4
0
0
1
1
0
1
0
1
D3
0
1
0
1
D3
0
0
0
0
1
1
1
-
-
D2
0
1
D2
0
0
0
1
0
0
1
-
-
D1
0
0
1
1
D1
0
0
1
1
0
0
1
-
-
LSB
D0
LSB
0
1
0
1
D0
0
1
0
1
0
1
1
-
-
23 dB
29 dB
ISS adjacent channel detect. filter desens
threshold at weak field strength
0.25 V
0.8 V
1.3 V
1.8 V
ISS adjacent channel detect. filter desens
slope at weak field strength
min
-
-
max
Seek
Seek OFF -
Seek ON
-7°
-6°
-5°
-
0°
+1°
+2°
-
+8°
0%
-1%
1%
0%
FM NAGC threshold MSB (LSB in byte 26)
FM AGC topology
NAGC on, KAGC off
NAGC off, KAGC on
ISS adjacent channel detect. filter shape
Filt1
ISS adjacent channel detect. filter gain
HP
BP
BP
BP
FM mixer1 phase adjust.
FM mixer1 gain adjust.
FM
ISS disable short
Filt2
HP
HP
BP
BP
FUNCTION
FUNCTION
AM AGC2 tau
-
130
100
177
100
Fo
TDA7514
2.3
7.7
2.0
8.4
Q
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