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參數(shù)資料
| 型號： | TDA8060ATS |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 衰減器 |
| 英文描述： | Satellite ZERO-IF QPSK down-converter |
| 中文描述： | RF/MICROWAVE DOWN CONVERTER |
| 封裝： | PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 87K |
| 代理商： | TDA8060ATS |
2000 Nov 10
2
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
TDA8060ATS
FEATURES
Direct conversion Quadrature Phase Shift Keying
(QPSK) demodulation (Zero IF)
920 to 2200 MHz range
On-chip loop-controlled 0 or 90
°
phase shifter
Variable gain on RF input
60 MHz, at
3 dB, bandwidth for baseband
I and Q amplifiers
Local oscillator output to PLL satellite or terrestrial
5 V supply voltage.
APPLICATIONS
Direct Broadcasting Satellite (DBS) QPSK
demodulation
Digital Video Broadcasting (DVB) QPSK demodulation.
GENERAL DESCRIPTION
The direct conversion QPSK demodulator is the front-end
receiver dedicated to digital TV broadcasting, satisfying
both DVB and DBS TV standards.
The 920 to 2200 MHz wide range oscillator covers
American, European and Asian satellite bands as well as
the SMA-TV US standard.
Accurate QPSK demodulation is ensured by the on-chip
loop-controlled phase shifter. The Zero-IF concept
discardstraditionalIF filteringandintermediateconversion
techniques. It also simplifies the signal path.
The baseband I and Q signal bandwidth only depends, to
a certain extent, on the external filter used in the
application.
Optimum signal level is guaranteed by a gain-controlled
amplifier at the RF input. The pin AGC sets the gain for
both I and Q channels, providing a 37 dB range.
The chip also offers a selectable internal LO prescaler
(divide-by-2) and buffer that has been designed to be
compatible with the input of a terrestrial or satellite
frequency synthesizer.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V
CC
Φ
f
osc
V
o(p-p)
T
amb
supply voltage
quadrature error
oscillator frequency
output voltage (peak-to-peak value)
ambient temperature
4.75
920
20
5.00
1
5.25
3
2200
+85
V
deg
MHz
V
°
C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8060ATS
SSOP24
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
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