W3030 Datasheet, PDF (19/22 Pages) Agere Systems – W3030 3 V Dual-Mode IF Cellular Receiver

Data Sheet
April 1999
Characteristic Curves (continued)
0
–5
–10
–15
–20
–25
–30
–35
–40
–130
RF = 83.16 MHz
LO1 = 82.71 MHz
TEMP = –35 °C, +25 °C, AND +85 °C
80% AM/1 kHz FM MODULATION
C-MESSAGE WEIGHTING
AM LEAKAGE –35 °C
AM LEAKAGE 25 °C
AM LEAKAGE 85 °C
85 °C
–35 °C
25 °C
–110
–90
–70
–50
–30
IF1IN POWER (dBm)
Figure 26. First Mixer and Analog Second IF
Section AM Sensitivity (Relative
Audio Out) vs. IF1IN Power
–10.00
RF = 83.16 MHz
LO1 = 82.71 MHz
8 kHz FM MODULATION
–11.00
–12.00
–13.00
–14.00
–15.00
–16.00
–17.00
2.7 Vcc
3.3 Vcc
4.1 Vcc
–18.00
–40 –20
0
20
40
60 80
100
TEMPERATURE (°C)
Figure 27. Audio Output vs. Temperature
W3030 3 V Dual-Mode IF Cellular Receiver
RF = 8S3.16 MHz
LO1 = 82.71 MHz
FCLCK = 1.804 MHz
NO MODULATION
24 kΩ RLOAD
I SINGLE-ENDED
0.1 VAGC
40
0.9
35
SINAD
0.8
30
0.7
25
0.6
20
0.5
15
0.4
10
0.3
VOUT
5
0.2
0
0.1
COMPRESSION
–5
0
–8 –6 –4 –2
0
2
4
6
8
POWER OUT (dBm)
Figure 28. Digital Second IF Section SINAD,
Output Voltage, and Compression
vs. Output Power
VCC = 3.0
IS136 RANDOM-DATA DQPSK at 83.16 MHz IF1
IFLO 82.71 MHz @ 200 mVp-p
CLOCK 1.8 MHz @ 600 mVp-p
I & Q OUTPUT LEVELS HELD CONSTANT AT 0.5 Vp-p
SINGLE-ENDED USING AGC UNTIL LARGE INPUT EXCEEDS
RANGE
80.0
–24
EVM
70.0
PHASE ERROR
–26
I/Q OFFSET
60.0
–28
50.0
–30
40.0
–32
30.0
–34
20.0
–36
10.0
–38
0.0
–40
IF1 INPUT POWER (dBm)
Figure 29. EVM/Phase/Offset vs. IF1 Input Level
Lucent Technologies Inc.
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