Nokia 9210i Servicehandbuch
PAMS
Technical Documentation
RAE-5
3. RF+System Module KL8
Page 3 – 39
Issue 1 04/02
Introduction to RF of KL8
Maximum ratings
Table 12. Maximum ratings of RF block
Parameter
Rating
Max battery voltage (VBATT), idle mode
4.2 V
Max battery voltage during call, highest power level
4.2 V
Regulated supply voltages
(VXO, VSYN_1, VSYN_2, VTX, VRX)
(VXO, VSYN_1, VSYN_2, VTX, VRX)
2.8 +/– 3% V
PLL charge pump supply voltage (VCP)
4.8 +/– 0.2 V
Voltage reference (VREF_2)
1.5 +/– 1.5% V
Voltage reference (RXREF)
1.2 +/– 0.05 V
Operating temperature range (Transceiver ambient)
–10...+55
°
C
RF frequency plan
HAGAR
PLL
26 MHz
VCTCXO
f/2
f
3420–
3840
MHz
3840
MHz
925–960
MHz
MHz
880–915
MHz
MHz
1805–1880
MHz
MHz
1710–1785
MHz
MHz
Q–signal
I–signal
RX
TX
I–signal
Q–signal
f/2
f
f/2
f
f/2
f
VCO
Figure 11.
RF Frequency plan
DC characteristics
Regulators
Transceiver includes a multi function power management IC (CCONT), which
contains among other functions also 7 pcs of 2.8 V regulators. All regulators
contains among other functions also 7 pcs of 2.8 V regulators. All regulators