HD155101BF Datasheet, PDF (48/50 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for GSM and EGSM Systems

HD155101BF
570
Vcc=3.0V
560
550
540
530
520
0
0.5
1
1.5
2
2.5
3
Vtune [V]
Figure 48 IFVCO Oscillation Frequency vs. Vtune Voltage
278µs
100µs/div
Figure 49 IFVCO Lock Up Time (from PS mode to 540 MHz)