4432-T-B1 B 470 Silicon Laboratories Inc, 4432-T-B1 B 470 Datasheet - Page 24
4432-T-B1 B 470
Manufacturer Part Number
4432-T-B1 B 470
Description
RF Modules & Development Tools Tx/Rx Split 4432 TRx Testcard
Manufacturer
Silicon Laboratories Inc
Datasheet
1.4432-T-B1_B_470.pdf
(74 pages)
Specifications of 4432-T-B1 B 470
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Si4430/31/32-B1
3.4. System Timing
The system timing for TX and RX modes is shown in Figures 8 and 9. The figures demonstrate transitioning from
STANDBY mode to TX or RX mode through the built-in sequencer of required steps. The user only needs to
program the desired mode, and the internal sequencer will properly transition the part from its current mode.
The VCO will automatically calibrate at every frequency change or power up. The PLL T0 time is to allow for bias
settling of the VCO. The PLL TS time is for the settling time of the PLL, which has a default setting of 100 µs. The
total time for PLL T0, PLL CAL, and PLL TS under all conditions is 200 µs. Under certain applications, the PLL T0
time and the PLL CAL may be skipped for faster turn-around time. Contact applications support if faster turnaround
time is desired.
24
XTAL Settling
XTAL Settling
600us
Time
Time
600us
Figure 9. RX Timing
Figure 8. TX Timing
Rev 1.1
RX Packet
TX Packet
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