W3020 Datasheet, PDF (11/44 Pages) Agere Systems – GSM Multiband RF Transceiver

Advance Data Sheet
December 1999
W3020 GSM Multiband RF Transceiver
RF Mixer
The W3020 contains two mixers: one for GSM900 band operation and one for GSM1800/1900 band operation.
The RF mixers are double-balanced mixers that can be used in various modes of operation. The ac-grounded
input (pin 56) requires grounding at both the RF and the IF frequencies. If grounding is not placed close to the
device, the RF performance will be compromised. At the output, the mixer is connected to a balanced IF SAW
filter.
Table 4. RF Performance: GSM900
VDD = 2.7 V; TA = 25 °C ± 3 °C. FIN = 942 MHz
Parameter
RF Input Band
Output IF Frequency
LO Frequency Range
Noise Figure (SSB)
Mixer Power Gain*
I/P 1 dB Compression
*LO1 level = –6 dBm, FLO = 1212 MHz, FIF= 270 MHz.
Min
Typ
Max Unit
925
—
960
MHz
—
270
—
MHz
1195
—
1230 MHz
—
9
12
dB
7
dB
–10
–5
—
dBm
Table 5. RF Performance: GSM1800/1900
VDD = 2.7 V; TA = 25 °C ± 3 °C. FIN = 1842 MHz
Parameter
RF Input Band:
GSM1800
GSM1900
Output IF Frequency
LO Frequency Range:
GSM1800
GSM1900
Noise Figure (SSB)
Mixer Power Gain*
I/P 1 dB Compression
*LO1 level = –6 dBm, FLO = 1572 MHz, FIF = 270 MHz
Min
1805
1930
—
1535
1660
—
4
–12
Typ
Max Unit
—
1880 MHz
—
1990 MHz
270
—
MHz
—
1610 MHz
—
1720 MHz
9.5
12
dB
6
—
dB
–7
—
dBm
Lucent Technologies Inc.
11