參數(shù)資料
型號(hào): RF133
英文描述: RF/IF Transceiver For GSM Applications
中文描述: 射頻/中頻收發(fā)器的GSM應(yīng)用
文件頁(yè)數(shù): 9/17頁(yè)
文件大?。?/td> 123K
代理商: RF133
RF/IF Transceiver
RF133
100776A
Conexant
9
Proprietary Information and Specifications are Subject to Change
October 8, 1999
Table 4. RF133 Electrical Specifications (3 of 4)
(T
A
= 25
°
C, VCC = 3.0 V, except where noted)
Parameter
Symbol
Test Condition
Mn
Typ
Max
Units
Translation Loop (continued)
Charge-pump output current
I
OUT
Source/sink (CPOI =
HIGH)
Source/sink (CPOI =
LOW)
High impedance input
±
1.0
±
0.5
0.02
mA
mA
mA
Transmt output zero crossing spurs:
2X spurs
3X spurs
4X spurs
5X spurs
–62
–65
–70
–70
<
–70
dBc
dBc
dBc
dBc
Transmt output noise level (Note 5)
At 20 MHz offset from
carrier
–165
–162
dBc/Hz
Device turn-on and lock time (with respect to enable input)
30
100
μ
s
VCO
Operating frequency set by resonator
F
VCO
300
900
MHz
Tuning voltage range
Varactor ground
referenced
Varactor supply
referenced
0.3
VCC–
0.3
V
V
Resonator pin impedance
Differential
10k//
0.4
pF
Tuning sensitivity (Note 6)
K
VCO
FVCO = 800 MHz
50
MHz/V
LO phase noise at 10 MHz offset (Note 6)
FVCO = 800 MHz
Q = 20
–122
dBc/Hz
Second LO output level
Unloaded, per side
260
mVp
Second LO output impedance
Differential
200
3-Wire Control
Data to clock setup time (Note 7)
t
CS
50
ns
Data to clock hold time (Note 7)
t
CH
10
ns
Clock pulse width high (Note 7)
t
CWH
50
ns
Clock pulse width low (Note 7)
t
CWL
50
ns
Clock to load enable setup time (Note 7)
t
ES
50
ns
Load enable pulse width (Note 7)
t
EW
50
ns
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