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參數(shù)資料
| 型號(hào)： | TDA8260 |
| 廠(chǎng)商： | NXP Semiconductors N.V. |
| 英文描述： | Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer |
| 中文描述： | 衛(wèi)星零中頻QPSK/8PSK與PLL合成器變頻器 |
| 文件頁(yè)數(shù)： | 5/23頁(yè) |
| 文件大小： | 143K |
| 代理商： | TDA8260 |
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2004 Sep 03
5
Philips Semiconductors
Product specification
Satellite Zero-IF QPSK/8PSK
downconverter with PLL synthesizer
TDA8260TW
PINNING INFORMATION
SYMBOL
PIN
DESCRIPTION
XT1
XT2
V
CC(PLL)
PLLGND
AGCIN
BIASN
RFGND1
V
CC(RF)
RFA
RFB
RFGND2
LP1
LP2
QOUT
BBGND1
QBBIN
V
CC(BB)
QBBOUT
QIN
IIN
IBBOUT
n.c.
IBBIN
BBGND2
IOUT
CAP2
CAP1
VCOGND
TKB
TKA
V
CC(VCO)
BVS
VT
CP
AS
SCL
SDA
XTOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
4 MHz crystal oscillator input 1
4 MHz crystal oscillator input 2
supply voltage for PLL circuit (+5 V)
ground for PLL circuit
AGC input from satellite demodulator and decoder
RF isolation input (+5 V)
ground 1 for RF circuit
supply voltage for RF stage (+5 V)
RF signal input A
RF signal input B
ground 2 for RF circuit
low-pass filter loop filtering output
low-pass filter loop filtering input
quadrature output for AC coupling to pin 16
ground 1 for baseband stage
quadrature baseband AC-coupled input from pin 14
supply voltage for baseband stage (+5 V)
quadrature baseband output to satellite demodulator and decoder
quadrature input for auto-amplitude matching
in-phase input for auto-amplitude matching
in-phase baseband output to satellite demodulator and decoder
not connected
in-phase AC-coupled baseband input from pin 25
ground 2 for baseband stage
in-phase output for AC-coupling to pin 23
amplitude matching loop filtering output 2
amplitude matching loop filtering output 1
ground for VCO circuit
VCO tank circuit input B
VCO tank circuit input A
supply voltage for VCO circuit (+5 V)
bus voltage select input
tuning voltage output for VCO
charge pump output
address selection input
I
2
C-bus clock input
I
2
C-bus data input/output
4 MHz crystal oscillator output to satellite demodulator and decoder
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