TDA8261TW Datasheet, PDF (15/22 Pages) NXP Semiconductors – Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer

Philips Semiconductors
Satellite Zero-IF QPSK/8PSK
downconverter with PLL synthesizer
Product specification
TDA8261TW
APPLICATION INFORMATION
handbook, full pagewidth 4MHz
C2
X1
C38
39 pF
39 pF
XT1
1
XTOUT
32
4 MHz
+5 V
XT2
2
VCC(PLL)
3
SDA
31
SCL
30
VAGC
+5 V
+5 V
RFIN
C3
2.2 pF
C10
2.2 pF
PLLGND
4
AGCIN
5
BIASN1
6
RFGND1
7
VCC(RF)
8
RFA
9
TDA8261TW
RFB
10
RFGND2
11
QOUT
12
AS
29
CP
28
VT
27
C1
12 nF
BVS
26
VCC(VCO)
25
TKA
24
TKB
23
R3
33 Ω
VCOGND
22
IOUT
21
C2
330 pF
R1
4.7 kΩ
+5 V
C21
82 pF
L1
18 nH
C22
82 pF
+5 V
BBGND1
13
QBBIN
14
VCC(BB)
15
QBBOUT
16
HEATSINK
20 ^BBGND2
IBBIN
19
BIASN2
18
IBBOUT
17
+5 V
MBL858
R10
22 kΩ
+30 V
R5
4.7 kΩ
D1
BB178
R2
1.5 kΩ
C3
330 pF
R4
4.7 kΩ
Fig.10 Typical application.
2004 Dec 02
handbook, halfpage
R0
R2
35 Ω
56 Ω
C0
33 pF
L1
470 nH
C1
82 pF
L2
680 nH
C3
68 pF
Zout
LPF
C2
100 nF
DC
coupling
R1
1 kΩ
Zin
MBL856
Fig.11 Typical 36 MHz low-pass filter.
15