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參數資料
| 型號： | TDA8050A |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網絡 |
| 英文描述： | QPSK transmitter |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO32 |
| 封裝： | PLASTIC, SO-32 |
| 文件頁數： | 2/28頁 |
| 文件大?。?/td> | 125K |
| 代理商： | TDA8050A |
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1999 Nov 05
2
Philips Semiconductors
Product specification
QPSK transmitter
TDA8050A
FEATURES
Programmable gain
PLL controlled carrier frequency
3-wire transmission bus
5 V supply voltage.
APPLICATIONS
QPSK modulation.
GENERAL DESCRIPTION
TheQuadraturePhaseShiftKeying(QPSK)transmitter IC
is a monolithic bipolar IC dedicated to quadrature
modulation of the I and Q signals. It includes:
Two double balanced mixers
A balanced voltage controlled oscillator (VCO) with
0 to 90 degrees signal generation for modulation
A phase locked loop (PLL) for IF frequency control
A conversion mixer
A PLL for RF frequency control
A gain controlled output amplifier
A 3-wire bus and an output buffer.
Two PLLs are incorporated, the first PLL includes:
A fixed main divider
A crystal oscillator and its programmable reference
divider
A phase/frequency detector, combined with a fixed
charge pump.
The second PLL includes:
A divide-by-four preamplifier
A 12-bit programmable divider
A crystal oscillator and its programmable reference
divider
A phase/frequency detector, combined with a
programmable charge pump which drives the tuning
amplifier, including 30 V output.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V
CC
f
c
V
o(max)
f
xtal
f
ref(MOD)
f
step
T
amb
supply voltage
output centre frequency
maximum output level
crystal frequency
reference frequency for modulator synthesizer
frequency step size for converter synthesizer
ambient temperature
4.75
5
1
100
0
5.00
55
250
5.25
65
4
500
70
V
MHz
dBmV
MHz
kHz
kHz
°
C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8050A
SO32
plastic small outline package; 32 leads; body width 7.5 mm
SOT287-1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA8050T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TDA8046H |
| TDA8051 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:QPSK receiver |
| TDA8060ATS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite ZERO-IF QPSK down-converter |
| TDA8060TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite ZERO-IF QPSK down-converter |
| TDA8083 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite Demodulator and Decoder SDD3 |
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