參數(shù)資料
型號： SA900BE
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： I/Q transmit modulator
中文描述： TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP48
文件頁數(shù)： 8/20頁
文件大?。?/td> 191K
代理商： SA900BE
Philips Semiconductors
Preliminary specification
SA900
I/Q transmit modulator
1997 Sept 16
8
AC ELECTRICAL CHARACTERISTICS
V
CC
= +4.0V, T
A
= 25
°
C; TANK_1 = 120MHz @ 0 dBm; XO_REF = 30MHz @ –5 dBm; TxLO2 = –13 dBm, unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
TYP
UNITS
MIN
-13
MAX
-10
1
Input power
VSWR (50
)
Frequency range
Frequency range
Output level
R
SET
= 24k
, AD=0
R
SET
= 24k
, AD=1
XO frequency
External drive
dBm
TXLO_1/2
Transmit LO input (AC couple) (50
)
2:1
900
90
1
0.5
200
0.9
10
1
150
1
1040
140
1
V
CC
–0.5
400
1.5
45
1
500
1
MHz
MHz
V
μ
A
mA
MHz
mV
P-P
TANK_1/2
PHSOUT
VCO tank differential inputs
Phase detector charge pump output
120
I
PEAK
PHSOUT programming
300
1.2
30
350
XTAL 1
XTAL_1
XO transistor base
CLK1
XO divide 3/1, power down SM1=0, 50%
duty cycle
÷
3, X=1,
÷
1, X=0
XO divide 2/1, power down SM2=0
÷
2, Y=1,
÷
1, Y=0
XO divide 4/5/1, 50% duty cycle
÷
4, CLKSET = V
CC
,
÷
5, CLKSET = 0.5V
CC
,
÷
1, CLKSET = 0V
Serial data clock input, 33% duty cycle
Serial interface (CMOS levels)
DATA, CLOCK, STROBE, TXEN
AMPS output, SE=1, AD=0, TXEN=1 (AC
couple)
Frequency range
3.33
1
30
45
1
MHz
Output level, 5k
|| 7pF
Frequency range
Output level, 5k
|| 7pF
Frequency range
0.7
5
1
0.7
2
1
1
30
1
1.4
45
1
1.4
45
1
V
P-P
MHz
V
P-P
MHz
CLK2
MCLK
Output level, 5k
|| 7pF
0.7
1
1.4
V
P-P
Max clock rate
Logic LOW
Logic HIGH
10
1
MHz
V
V
CLOCK
0.3V
CC1
0.7V
CC
Frequency range
820
860
MHz
VSWR
Output level
869 to 894MHz
824 to 849MHz
2 to 824MHz
849 to 869MHz
894MHz to 8.49GHz
2:1
+2
-104
-47
-41
-41
-41
-21
-95
-101
-136
–1.5
dBm
dBm
dBc
dBc
dBc
dBc
dBc
dBc/Hz
dBc/Hz
dBm/Hz
AMPSTX
Spurious output
TXLO and harmonics
Adjacent channel noise power
Alternate channel noise power
Broadband noise power
DUAL output, SE=1, AD=1, TXEN=1 (with
external matching Figure 9)
@30kHz
@60kHz
869 to 894MHz
Frequency range
820
920
2
MHz
DUALTX
VSWR
2:1
Output level (avg) (I and Q
quad, 0dB VGA)
Gain flatness
0
+2
dBm
1
dB
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