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| HD155101BF Datasheet, PDF (45/50 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for GSM and EGSM Systems | |||
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HD155101BF
The Acquisition response of OPLL using 8.2 k⦠icurad is shown below. The control voltage of the VCO
was observed by the digital storage oscilloscope.
12.8µs
5µs/div
19.95 µs
5µs/div
a. from PS mode to 902MHz lock
b. from PS mode to 915MHz lock
Figure 45 Acquisition Time (Lock Up Time)
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