TEF6730 NXP Semiconductors, TEF6730 Datasheet - Page 24

• Manufacturer Part Number: TEF6730
• Description: Tef6730 Front-end For Digital-if Car Radio
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEF6730_1
Product data sheet
8.2.6 Write mode: data byte AGC
Table 21.
Table 22.
Table 23.
Table 24.
Table 25.
Bit
7
6 to 0
Bit
7 to 4
3 and 2
1
0
WBAGC1
0
0
1
1
WBAGC1
0
0
1
1
SDAA3
7
1
Symbol
AGCSW
DAA[6:0]
Symbol
SDAA[3:0]
WBAGC[1:0]
KAGC
LODX
DAA - data byte 3h bit description
AGC - data byte 4h bit allocation with default setting
AGC - data byte 4h bit description
Setting of RF AGC threshold voltage for AM
Setting of RF AGC threshold voltage for FM
SDAA2
6
0
WBAGC0
0
1
0
1
WBAGC0
0
1
0
1
Rev. 01 — 10 July 2006
SDAA1
Description
RF AGC switch
alignment of antenna circuit tuning voltage in FM mode
(0.1V
Description
alignment of second antenna circuit tuning voltage in FM mode
(0.7V
RF AGC start level; setting of wideband (RF) detection; for AM,
see
FM keyed AGC
local switch
5
0
0 = no drive of unused RF AGC PIN diode (FM PIN diode in
AM mode or AM PIN diode in FM mode)
1 = unused PIN diode supplied with constant current
0 = keyed AGC off
1 = keyed AGC on
0 = standard operation (DX)
1 = forced FM RF AGC attenuation (LOCAL)
Table 24
tune
DAAOUT1
AM output (RMS value) at LNAOUT
250 mV
200 mV
150 mV
70 mV
FM mixer input voltage (RMS value) at FMMIXIN
24 mV
17 mV
12 mV
9 mV
to 2.0V
SDAA0
and for FM, see
to 1.35V
4
0
tune
)
DAAOUT1
WBAGC1
3
0
Table 25
)
Front-end for digital-IF car radio
WBAGC0
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
2
0
KAGC
TEF6730
1
0
LODX
24 of 56
0
0