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TEF6721HL/V1S,557

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48
TEF6721HL_4 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 04 — 20 December 2005 37 of 48
Philips Semiconductors
TEF6721HL
Car radio tuner front-end for digital IF
14. Overall system parameters
Table 30: Overall system parameters
Symbol Parameter Conditions Min Typ Max Unit
AM overall system parameters (based on 15 pF/60 pF dummy aerial; m = 0.3; 2.5 kHz audio
bandwidth in IF DSP; voltages in RMS value at input of dummy aerial); see
Figure 9
V
i(RF)(IFAGC)
RF input voltage for
start of IF AGC
first step - 5.5 - mV
second step - 11 - mV
third step - 22 - mV
V
i(RF)(RFAGC)
RF input voltage for
start of RF AGC
in-band; m = 0 - 31 - mV
wideband; m = 0
AGC[1:0] = 00 - 92 - mV
AGC[1:0] = 01 - 126 - mV
AGC[1:0] = 10 - 168 - mV
AGC[1:0] = 11 - 210 - mV
α
26dB
sensitivity f = 990 kHz - 42 - µV
IP3 3rd-order input
intercept point
∆f
undesired
= 50 kHz - 130 - dBµV
∆f
undesired
= 300 kHz - 135 - dBµV
IP2 2nd-order input
intercept point
- 140 - dBµV
FM overall system parameters (based on 75 Ω dummy aerial; ∆f = 22.5 kHz; de-emphasis is
50 µs in IF DSP; voltages in RMS value at input of dummy aerial); see
Figure 9
V
i(RF)(IFAGC)
RF input voltage for
start of IF AGC
first step - 0.57 - mV
second step - 1.1 - mV
third step - 2.3 - mV
V
i(RF)(RFAGC)
RF input voltage for
start of wideband AGC
in-band - 4.5 - mV
wideband
AGC[1:0] = 11 - 8 - mV
AGC[1:0] = 10 - 12 - mV
AGC[1:0] = 01 - 17 - mV
AGC[1:0] = 00 - 21 - mV
α
26dB
sensitivity f = 97 MHz - 1.4 - µV
IP3 3rd-order input
intercept point
∆f
undesired
= 400 kHz - 117 - dBµV
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TEF6721HL_4 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 04 — 20 December 2005 38 of 48
Philips Semiconductors
TEF6721HL
Car radio tuner front-end for digital IF
15. Application information
Fig 9. Application diagram of TEF6721HL
mdb411
12
pF
3.9
pF
1 pF
L2
L1
3.9
pF
3.3 pF
18 pF
L4
L8
L7
L6
L5
4:6
22 kΩ
1
kΩ
1 µF
(optional)
BAS16
2.2
kΩ
1
nF
100
nF
10
kΩ
3.3
pF
270
nH
3.3
µH
2.2
MΩ
2.2 nF
RFGND
10 nF
10 nF
10 nF
220 pF
470
kΩ
2.2
MΩ
22 Ω
47 Ω
47 µF
(16 V)
8.5 V
8.5 V
22 nF
8.5 V
22
nF
220 nF
120 kΩ
100 nF
100 nF
47
µF
47
µF
8.5 V
5 V
5 V
8.5 V
8.5 V
330
Ω
1
nF
BAP70-02BAP70-02
BB207
BC847C
BAP70AM
BF862C
BAV99
220 nF
220
nF
22 nF
100 nF
22 µF
8.5 V
22
nF
6.8 µH
820
µH
150
pF
470
Ω
82
Ω
560
Ω
220
nF
47
µF
100
nF
22
nF
22
nF
470
µH
20.5 MHz
SFE
10.7MS3
270
pF
56 µH
560 Ω
antenna
TEF6721HL
20
21
22
23
24
25
26
27
28
29
30
31
32
19
18
17
61
60
59
58
57
56
55
54
53
52
51
50
49
62
63
64
1516 1413121110987654321
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
i.c.
WBFLAG
2.2
kΩ
1.8
pF
100
nF
3.3 nF
L3
3.9 nF
C1
4.7 kΩ
2.2 kΩ
10 kΩ
1.2 kΩ
22
nF
1
nF
47
µF
2.7
pF
BB208
AGCBUF
8.5 V
IFOUT2
SWPORT1
IFOUT1
VDAC
SWPORT2
IFAGCMSB
IFAGCLSB
SCL
SDA
AFHOLD
AFSAMPLE
BUSENABLE
ADDRSEL
KAGC
100
nF
TEF6721HL_4 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 04 — 20 December 2005 39 of 48
Philips Semiconductors
TEF6721HL
Car radio tuner front-end for digital IF
Fig 10. Driving two tuners with one crystal
001aad953
100 Ω
1 kΩ
100 Ω
MASTER
TUNER
TEF6721HL
SLAVE
TUNER
TEF6721HL
BF840
1 nF
10 nF
XTAL1
8.5 V
100 Ω
1 kΩ
BF840
1 nF
XTAL2
XTAL1
XTAL2
Table 31: List of components
Symbol Parameter Type Manufacturer
C1 capacitor for VCO tuning 270 pF; type NP0
L1 10.7 MHz IF coil P7 PSG P826RC 5134N=S TOKO
L2 AM input 388BN-1211Z TOKO
L3 oscillator coil E543SNAS-02010 TOKO
L4 FM image rejection 611SNS-1066Y TOKO
L5 FM input transformer 369INS-3076X TOKO
L6 FM antenna coil LQN1HR50; 215 nH MURATA
L7 PIN diode bias LQN1HR21; 500 nH MURATA
L8 connection image reject wire 10 mm/printed coil
crystal 20.5 MHz LN-G102-587 NDK
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48

TEF6721HL/V1S,557

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Buy TEF6721HL/V1S,557
Manufacturer:
NXP Semiconductors
Description:
RF RECEIVER AM/FM/WB 64LQFP
Lifecycle:
New from this manufacturer.
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