
- 71 -
4. RF circuit technical brief
4.1 General Description
The RF transceiver is integrated in S-GOLDradio(PMB8888),which suppors quad-band operation for
voice and data transfer applications. The whole transceiver function is integrated in main IC, PMB8888
provides 4 LNA inputs for RF receiving and two outputs for PAM input for High/Low band. A direct
conversion receiver and a quad-band polar transmitter for GSM and EDGE with integrated PGA
functionality.
4. RF circuit technical brief
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 32. PMB 6272 Function Block Diagram
Содержание KC550
Страница 1: ...Date May 2008 Issue 1 0 Service Manual Model KC550 Service Manual KC550 Internal Use Only ...
Страница 129: ... 130 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 155: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 156 ...
Страница 182: ...Note ...
Страница 183: ...Note ...