W3030 查看數據表（PDF） - Agere -> LSI Corporation
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W3030 Datasheet PDF : 22 Pages
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Data Sheet
April 1999
Quadrature Detector (continued)
Quad Tank S-Curves (continued)
AUDIO (Vdc)
LINEAR FIT
±8 kHz
ERROR (dB)
3
1.5
1
2.5
0.5
2
0
1.5
–0.5
–1
1
–1.5
0.5
–2
IF FREQUENCY (kHz)
Figure 6. Audio Output vs. IF Frequency,
18 kΩ Quad Tank Resistor
AUDIO (Vdc)
LINEAR FIT
±8 kHz
ERROR (dB)
3
0.5
0.4
2.5
0.3
0.2
2
0.1
0
1.5
–0.1
–0.2
1
–0.3
–0.4
0.5
–0.5
IF FREQUENCY (kHz)
Figure 7. Audio Output vs. IF Frequency,
33 kΩ Quad Tank Resistor
W3030 3 V Dual-Mode IF Cellular Receiver
AUDIO (Vdc)
LINEAR FIT
±8 kHz
ERROR (dB)
3
0.5
0.4
2.5
0.3
0.2
2
0.1
0
1.5
–0.1
–0.2
1
–0.3
–0.4
0.5
–0.5
IF FREQUENCY (kHz)
Figure 8. Audio Output vs. IF Frequency, Quad
Tank Resistor Removed
Lucent Technologies Inc.
13
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