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參數(shù)資料
| 型號： | LUCW3020CCS |
| 英文描述： | GSM Multiband RF Transceiver |
| 中文描述： | 手機多頻段射頻收發(fā)器 |
| 文件頁數(shù)： | 10/44頁 |
| 文件大小： | 409K |
| 代理商： | LUCW3020CCS |
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Advance Data Sheet
December 1999
W3020 GSM Multiband RF Transceiver
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
V
DD
= 2.7 Vdc; T
A
= 25 °C ± 3 °C.
Parameter
Min
925
—
—
—
–20
—
—
Typ
—
3.5
2.0
20
–15
14
–51
Max
960
—
—
—
—
—
—
Unit
MHz
mA
dB
dB
dBm
dB
dB
RF Input Band
Current Consumption (collector current)
Noise Figure*
Power Gain (942 MHz)*
nput 1 dB Compression Level
nput Return Loss
Off-state Gain
* All gain and NF include matching losses. Not tested in production.
Table 3. GSM1800/1900 LNA Performance
V
DD
= 2.7 Vdc; T
A
= 25 °C ± 3 °C.
Parameter
Min
1805
1930
—
—
—
–20
—
—
Typ
Max
1880
1990
—
—
—
—
—
—
Unit
RF Input Band:
GSM1800
GSM1900
Current Consumption (collector current)
Noise Figure*
Power Gain (1842 MHz)*
nput 1 dB Compression Level
nput Return Loss
Off-state Gain
* All gain and NF include matching losses. Not tested production.
—
—
3.5
3.0
19
–16.5
15
–38
MHz
MHz
mA
dB
dB
dBm
dB
dB
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