cx74063-26 Skyworks Solutions, Inc., cx74063-26 Datasheet - Page 10

• 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
10
MAY 16, 2003
Figure 4. DC Offset Correction Timing (LNA Off During All of the DC Offset Correction Sequence)
RXENA
DC Offset Correction Loop 1
DC Offset Correction Loop 2
DC Offset Correction Loop 3
Front End
Enable
Note 1. t
High
High
High
Low
Low
Low
GSM LNA
DCS LNA
PCS LNA
T_H1
LNA
[781] 376-3000 I FAX [781] 376-3100 I [e-mail] I WWW.SKYWORKSINC.COM
, t
15 dB
- 7 dB
15 dB
- 5 dB
15 dB
-5 dB
T_H2
, t
T_H3
Skyworks Solutions, Inc., Proprietary and Confidential
, and t
FEENA
Track mode
Track mode
Track mode
Mixer + RC Filter
(Note 1)
GSM900
4.2 dB
t
High
T_H1
+ RC Filter
Low
are programmed in Register 2.
Additional Interstage Losses
Mixer
(Note 1)
t
40 dB
22 dB
T_H2
Figure 3. Gain Control Settings
Hold mode (Loop
1)
(Note 1)
DCS1800
t
5.0 dB
T_H3
(LNA off)
t
(Note 1)
FEENA
Hold mode (Loop
2)
High
PCS1900
Low
6.2 dB
LPF1
LPF1
10 dB
- 2 dB
Hold mode (Loop
3)
VGA1 + GMC Filter
(LNA on)
(in 6 dB steps)
VGA1 +GMC
Max
High
Min
Max
Low
VGA1 Fine
Mid
Min
+ Aux
Start of RX slot
AUX
30 dB
0 dB
4 dB
2 dB
0 dB
6 dB
0 dB
(in 6 dB steps)
Max
Min
VGA2
VGA2
101514F 5_111201
101953A 3_012902
30 dB
0 dB
RXI+
RXI-
RXQ+
RXQ-
103052A