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参数资料
| 型号： | EVB3020A |
| 英文描述： | GSM Multiband RF Transceiver |
| 中文描述： | 手机多频段射频收发器 |
| 文件页数： | 2/44页 |
| 文件大小： | 409K |
| 代理商： | EVB3020A |
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Advance Data Sheet
W3020 GSM Multiband RF Transceiver
December 1999
10
Lucent Technologies Inc.
LNA
The W3020 contains two on-chip LNAs, one to operate in the GSM900 band and one to operate in the
GSM1800/1900 bands. The GSM900 operation is combined with the GSM1800 band operation in a dual-band
terminal. Only one LNA operates at a time. The two on-chip LNAs with external matching networks are 50
single-ended input, single-ended output type. Switching between the LNAs is determined by the band bit B and
the gain control bit G0 in the TR register, as described in the Programming Information section.
Table 2. GSM900 LNA Performance
VDD = 2.7 Vdc; TA = 25 °C ± 3 °C.
Parameter
Min
Typ
Max
Unit
RF Input Band
925
—
960
MHz
Current Consumption (collector current)
—
3.5
—
mA
Noise Figure*
—
2.0
—
dB
Power Gain (942 MHz)*
—
20
—
dB
Input 1 dB Compression Level
–20
–15
—
dBm
Input Return Loss
—
14
—
dB
Off-state Gain
—
–51
—
dB
* All gain and NF include matching losses. Not tested in production.
Table 3. GSM1800/1900 LNA Performance
VDD = 2.7 Vdc; TA = 25 °C ± 3 °C.
Parameter
Min
Typ
Max
Unit
RF Input Band:
GSM1800
1805
—
1880
MHz
GSM1900
1930
—
1990
MHz
Current Consumption (collector current)
—
3.5
—
mA
Noise Figure*
—
3.0
—
dB
Power Gain (1842 MHz)*
—
19
—
dB
Input 1 dB Compression Level
–20
–16.5
—
dBm
Input Return Loss
—
15
—
dB
Off-state Gain
—
–38
—
dB
* All gain and NF include matching losses. Not tested production.
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