User Guide

RH-30/RH-31 Company Confidential
System Module Nokia Customer Care
Page 16 © 2004 Nokia Corporation. Issue 2 11/2004
AC and DC characteristics of RF-baseband digital signals
Signal name From To Parameter Input Characteristics Function
Min Typ Max Unit
TXP
(RFGenOut3)
UPP Helgo ”1” 1.38 1.88 V Power
amplifier
enable
”0” 0 0.4 V
Load Resistance 10 220 kΩ
Load Capacitance 20 pF
Timing Accuracy 1/4 symbol
TXA UPP Helgo ”1” 1.38 1.88 V Power con-
trol loop
enable
”0” 0 0.4 V
Load Resistance 10 220 kΩ
Load Capacitance 20 pF
Timing Accuracy 1/4 symbol
RFBusEna1X UPP Helgo ”1” 1.38 1.88 V RFbus enable
”0” 0 0.4 V
Current 50 µA
Load resistance 10 220 kΩ
Load capacitance 20 pF
RFBusData UPP Helgo ”1” 1.38 1.88 V RFbus data;
read/write
”0” 0 0.4 V
Load resistance 10 220 kΩ
Load capacitance 20 pF
Data frequency 10 MHz
RFBusClk UPP Helgo ”1” 1.38 1.88 V RFBus clock
”0” 0 0.4 V
Load resistance 10 220 kΩ
Load capacitance 20 pF
Data frequency 10 MHz
Mode Select
(GENIO9)
UPP Helgo ”1” 1.38 1.85 V Mode Selec-
tion
”0” 0 0.4 V