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| U4065B Datasheet, PDF (18/34 Pages) TEMIC Semiconductors – FM Receiver | |||
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Local Oscillator
Figure 25. LO Principle Application
VOSC24
47p
RG24
24
23
Local
oscillator
fOSC
33p
Tamb
Oscillator
output
buffer
1
VOSC1, fOSC
520
Free running oscillator frequency fOSC â 110 MHz, VOSC24 = 160 mV, RG24 = 220 â¦, QL = 70
Figure 26. Oscillator Swing versus Temperature
180
160
140
120
100
80
60
40
20
0
-30
-10
10
30
50
70
90
Tamb (°C)
18 U4065B
4807AâAUDRâ05/04
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