TRF1121 Datasheet, PDF (15/26 Pages) Texas Instruments – Dual VCO/PLL Synthesizer With IF Up-Converter

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4000
3750
3500
3250
−40 ºC
+25 ºC
+85 ºC
Frequency
TRF1121
TRF1221
SLWS170A – APRIL 2005 – REVISED DECEMBER 2005
900
800
700
600
3000
500
2750
2500
400
Mod Sense
300
2250
200
2000
1
400
1.5
2
2.5
3
3.5
4
4.5
Tuning Voltage (V)
Figure 13. TRF1221 LO2B Frequency vs LO2BTUN Voltage
100
5
110
350
90
Frequency
300
70
250
200
150
1
Mod Sense
−405C
255C
855C
1.5
2
2.5
3
3.5
4
4.5
Tuning Voltage − V
Figure 14. TRF1221 LO1 Frequency vs LO1TUN Voltage
50
30
10
5
15