Nokia 9210i Servicehandbuch
PAMS
Technical Documentation
RAE-5
3. RF+System Module KL8
Page 3 – 45
Issue 1 04/02
Functional descriptions
RF block diagram
The block diagram of the direct conversion transceiver architecture used in KL8
is shown in Figure 13. The architecture contains one RF ASIC (HAGAR), dual–
band PA module, VCO and VCTCXO modules, RF filters for TX and RX, and
discrete LNA stages for both receive bands.
is shown in Figure 13. The architecture contains one RF ASIC (HAGAR), dual–
band PA module, VCO and VCTCXO modules, RF filters for TX and RX, and
discrete LNA stages for both receive bands.