SA900 查看數據表（PDF） - Philips Electronics
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SA900 Datasheet PDF : 20 Pages
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Philips Semiconductors
I/Q transmit modulator
Preliminary specification
SA900
PERFORMANCE CHARACTERISTICS
–16.00
–16.50
–17.00
VCC = 3.9V
VCC = 4.0V
VCC = 4.5V
–17.50
–18.00
–18.50
–19.00
900
970
1040
FREQUENCY (MHz)
LO Buffer vs. Frequency (27°C, TXLO = –10dBm)
3.00
2.80
VCC = 3.9V
VCC = 4.0V
2.60
VCC = 4.5V
2.40
2.20
2.00
1.80
1.60
1.40
1.20
1.00
820
836
860
FREQUENCY (MHz)
AMPTX vs. Frequency (27°C, TXLO = –10dBm)
3.50
3.00
4.00
3.50
3.00
2.50
2.00
1.50
T = +85°C
1.00
T = +27°C
T = –45°C
0.50
0.00
–0.50
–1.00
820
836
860
FREQUENCY (MHz)
AMPTX vs. Frequency (VCC = 4.0V, TXLO = –10dBm)
2.80
VCC = 4.5V
VCC = 3.9V
VCC = 4.0V
2.60
2.40
2.20
2.00
820
836
850
FREQUENCY (MHz)
DUALTX vs. Frequency (TEMP 27°C, TXLO = –10dBm)
2.50
2.00
VCC = –40°C
1.50
VCC = 27°C
VCC = 85°C
1.00
0.50
0.00
820
836
850
FREQUENCY (MHz)
DUALTX vs. Frequency (VCC = 4.0V, TXLO = –10dBm)
–16.00
–16.50
–17.00
T = +85°C
T = +27°C
T = –45°C
–17.50
72
70
68
66
64
62
60
–40
27
TEMPERATURE (°C)
DUAL ICC vs. Temperature
–18.00
–18.50
–19.00
–19.50
–20.00
900
970
FREQUENCY (MHz)
1040
LO Buffer vs. Frequency (VCC = 4.0V, TXLO = –10dBm)
Figure 12. Performance Characteristics
VCC = 4.5V
VCC = 4.0V
VCC = 3.9V
85
SR00647
1997 Sept 16
16
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