RF137 查看數據表（PDF） - Conexant Systems
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RF137 Datasheet PDF : 15 Pages
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Transceiver
RF137
Parameter
Differential output voltage
Output noise power
LO feedthrough
Sideband suppression
Spurious (Note 1)
Transmit frequency (input from VCO)
LO input frequency
IF frequency:
with divide-by-2
with divide-by-1
Transmit input power
Transmit input impedance
Table 3. RF137 Electrical Specifications (2 of 4)
(TA = 25 °C, Vcc = 3.0 V, except where specified)
Symbol
Test Condition
I/Q Modulator (continued)
NO
10 MHz offset
@200 kHz offset
@300 kHz offset
Translational Loop
fTX
fLO
fIF
S4 = 1, CO = 1
S4 = 0, CO = 1
PIN
with external 50Ω
termination
ZIN
differential
LO input power
LO input impedance
PIN
With external 50Ω
termination
ZIN
differential
Tx output noise
Charge pump output current
source/sink
source/sink
high impedance output
Tx output spurs (Note 3):
2X spurs
3X spurs
4X spurs
5X spurs
Device turn-on and lock time (with respect to enable input)
Operating frequency (depends on external resonator)
Tuning voltage range:
varactor ground referenced
varactor supply referenced
NO
IOUT
@ 20 MHz offset
(Note 2)
S10 = 0, CO = 1
S10 = 1, CO = 1
FVCO
1 MHz loop bandwidth
VHF VCO
Phase noise (Note 4)
10 MHz offset, FVCO =
800 MHz, resonator Q =
20
Min Typical Max Units
–20
–15
dBV
–130
–126 dBc/Hz
–43
–40
dBc
45
dB
–60
–40
dBc
–60
–45
dBc
800
2000
MHz
800
2000
MHz
MHz
70
425
70
300
–13
–10
–7
dBm
300// 0.3
Ω
pF
–13
–10
–7
dBm
300// 0.3
–165
–162
Ω
pF
dBc/Hz
±1.0
mA
±0.5
mA
0.02
mA
–65
dBc
–70
dBc
–70
dBc
<–70
dBc
30
100
µs
300
850
MHz
0.5
V
VCC–
V
0.5
–145
dBc/Hz
100777C
Conexant - Proprietary
Data Subject to Change
5
October 11, 2000
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