參數(shù)資料
型號(hào): SA900BE
廠商: NXP SEMICONDUCTORS
元件分類: 無(wú)繩電話/電話
英文描述: I/Q transmit modulator
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP48
文件頁(yè)數(shù): 4/20頁(yè)
文件大?。?/td> 191K
代理商: SA900BE
Philips Semiconductors
Preliminary specification
SA900
I/Q transmit modulator
1997 Sept 16
4
PIN DESCRIPTIONS
Pin
Description
I
Non-inverting I Mod Signal
I
Inverting I Mod Signal
TXLO_1/2
Second LO Input (differential/single-ended input)
DUALTX
RF output (850MHz) digital (DUAL) mode, complex modulated output
Q
Non-inverting Q Mod Signal
Q
Inverting Q Mod Signal
CLK1
Buffered oscillator output (XO
÷
3/
÷
1)
MCLK
Buffered oscillator output (XO
÷
4/
÷
5/
÷
1)
Buffered oscillator output (XO
÷
2/
÷
1)
CLK2
AMPSTX
RF output (850MHz) AMPS mode
V
CC
GND
+5V
DC
power supply
Ground
Data
Serial data input
Clock
Serial clock input
Strobe
Data strobe input
TXEN
AMPS and Dual Mode transmit enable
CLKSET
Program control pin for MCLK prescaler
XTAL1
Crystal oscillator base input
XTAL2
Crystal oscillator emitter output
PHSOUT
Phase comparator charge pump output
TANK_1
VCO differential tank
TANK_2
VCO differential tank
LO_1/2
Buffered differential TXLO output
I
PEAK
Phase comparator current programming
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