TEF6862HL/V1.557 NXP Semiconductors, TEF6862HL/V1.557 Datasheet - Page 51

• Manufacturer Part Number: TEF6862HL/V1.557
• Manufacturer: NXP Semiconductors

Specifications of TEF6862HL/V1.557

• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
[7]
[8]
[9]
[10] Input parameters of FM mixer 1 measured between pins FMIFAGCIN2 and IFAGCDEC.
[11] Input parameters of FM mixer 1 measured between pins WXMIX1IN and WXMIX1DEC.
TEF6862_1
Product data sheet
Fig 21. AM AGC circuit
Fig 22. Level detector function
TAMAGC
V
RFIN
O(levdet)
Input parameters of FM mixer 2 measured between pins IF1IN and IF1DEC.
Output parameters of AM mixer 2 measured between pins AMMIX2OUT1 and AMMIX2OUT2.
Input parameters of AM mixer 2 measured between pins AMIF2IN and AMIF2DEC.
(V)
a. AM level curve.
22
4
3
2
1
0
10
pin
diode
IAMAGC
6
21
V
start(levdet)
10
JFET
disable cascode
LNA
4
VAMCASFB
AGC control
LST
alignment
KAGC
19
CASCODE
10
AGC
2
V
enable 1 mA
pin diode current
(FM mode)
AGCSW
AMIF2IN
VAMCAS
18
001aae380
(V)
FILTER
Rev. 01 — 14 September 2006
detector A
RF
1
THRESHOLD
AGC
AMMIX1IN
15
MIXER1
AM
X
AGC threshold
AGC[1:0]
V
O(levdet)
(V)
b. FM level curve.
Car Radio Enhanced Selectivity Tuner (CREST)
4
3
2
1
0
10
MIX1OUT2,
MIX1OUT1
11, 12
6
V
start(levdet)
10
IF1IN
7
4
MIXER2
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
TEF6862HL
AM
X
LST
alignment
10
detector B
AMMIX2OUT1,
AMMIX2OUT2
4, 5
2
V
TEF6862
IF1IN
001aae381
(V)
008aaa019
1
AMIF2IN
1
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