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參數(shù)資料
| 型號： | 935263551518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 上/下變頻器 |
| 英文描述： | RF/MICROWAVE DOWN CONVERTER |
| 封裝： | PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大小： | 112K |
| 代理商： | 935263551518 |
1999 Nov 11
2
Philips Semiconductors
Product specication
Satellite ZERO-IF QPSK down-converter
TDA8060TS
FEATURES
Direct conversion 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 1 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 future SMA-TV US standard.
Accurate QPSK demodulation is ensured by the on-chip
loop-controlled phase shifter. The Zero-IF concept
discards traditional IF filtering and intermediate conversion
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 GAIN pin sets the gain for
both I and Q channels, providing a 30 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
VCC
supply voltage
4.75
5.00
5.25
V
Φ
quadrature error
3
deg
fosc
oscillator frequency
920
2200
MHz
Vo(p-p)
output voltage (peak-to-peak value)
0.75
V
Tamb
ambient temperature
20
+85
°C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8060TS
SSOP24
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
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