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E-GSM900 Datasheet(PDF) 11 Page - Silicon Laboratories

Part No. E-GSM900
Description  Single 8x8 mm package CMOS process technology Intergrated GSM/GPRS transceiver including
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Maker  SILABS [Silicon Laboratories]
Homepage  http://www.silabs.com
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Aero I
Rev. 1.0
11
Table 6. Transmitter Characteristics
(VDD = 2.7 to 3.0 V, TA = –20 to 85 Β°C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
RFOG Output Frequency1
GSM 850 band
824
β€”
849
MHz
E-GSM 900 band
880
β€”
915
MHz
RFOD Output Frequency2
DCS 1800 band
1710
β€”
1785
MHz
PCS 1900 band
1850
β€”
1910
MHz
I/Q Differential Input Swing3,4
0.88
β€”
2.2
VPPD
I/Q Input Common-Mode3
1.1
β€”
1.4
V
I/Q Differential Input Resistance3,4
BBG[1:0] = 11b
26
30
35
k
Ω
BBG[1:0] = 00b
22
25
29
k
Ω
BBG[1:0] = 01b
17
20
23
k
Ω
Powered down
β€”
Hi-Z
β€”
k
Ω
I/Q Input Capacitance3,5
β€”β€”
5
pF
I/Q Input Bias Current3
13
16
19
Β΅A
Sideband Suppression
67.7 kHz sinusoid
β€”
–46
–34
dBc
Carrier Suppression
67.7 kHz sinusoid
β€”
–48
–33
dBc
IM3 Suppression
67.7 kHz sinusoid
β€”
–57
–50
dBc
Phase Error5
β€”1.9
3.0
o
rms
β€”5
10
o
PEAK
TXVCO Pushing1,2
Open loop
β€”
100
β€”
kHz/V
TXVCO Pulling1,2
VSWR 2:1, all phases,
open loop
β€”200
β€”
kHzPP
RFOG Output Modulation Spectrum1,6
400 kHz offset
β€”
–65
–63
dBc
1.8 MHz offset
β€”
–70
–68
dBc
RFOD Output Modulation Spectrum2,6
400 kHz offset
β€”
–65
–63
dBc
1.8 MHz offset
β€”
–70
–65
dBc
RFOG Output Phase Noise1,5,7
10 MHz offset
β€”
–160
–155
dBc/Hz
20 MHz offset
β€”
–166
–164
dBc/Hz
RFOD Output Phase Noise2,5,7
20 MHz offset
β€”
–163
–157
dBc/Hz
RFOG Output Power Level1
ZL = 50 Ω
79
11
dBm
RFOD Output Power Level2
ZL = 50 Ω
68
10
dBm




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