cx74063-26 Skyworks Solutions, Inc., cx74063-26 Datasheet - Page 38

• Manufacturer Part Number: cx74063-26
• Description: Transceiver Multi-band Gprs, Edge Applications With Power Ramping Controller Integrated Crystal Oscillator With Output
• Manufacturer: Skyworks Solutions, Inc.

Data Sheet I CX74063-26
38
MAY 16, 2003
OFFSET GEN TIMING
(not to scale)
FREF
PAVAPC
SXENA
VDDBB
(pin 43)
Internal DCOC 1
Internal DCOC 2
Internal DCOC 3
TXENA
(not to scale)
RXENA
SXENA
DATA
TX I/Q
Figure 11. CX74063-26 Register Programming Sequence and Timing Example (Initialization After Power Up)
Internal FEENA
FREF
TRSW Enable
CLK
LE
LE
Note 2
Preset=1
7
[781] 376-3000 I FAX [781] 376-3100 I [e-mail] I WWW.SKYWORKSINC.COM
Note 1
Figure 10. CX74063-26 Signal Timing Example (Normal Operation)
Band=GSM
20 µs
40 µs
Preset=0
60 µs
10 µs
50 µs
120 µs
240 µs
Skyworks Solutions, Inc., Proprietary and Confidential
RX
0
GSM
IP2 I
1
240 µs
25 µs (Note 1)
IP2 Q
PAC_TIME
GSM
Band=DCS/PCS
0.7 V
2
Preset=0
10 µs (Note 1)
PA RAMP
Voltage
DCS/PCS
TX
IP2 I
3
DCS/PCS
IP2 Q
4
DCOC
timing
5
Note 1
Control 1
VCXO
Mon
Control 2
6
VCXO
C1330
C1329
103052A