Nokia 9110 Service Manual
PAMS
Technical Documentation
RAE–2
BS8_RF
Page 3 – 22
Original 02/99
Transmitter blocks
IQ–modulator and TX–AGC in SUMMA
Parameter
Min.
Typ.
Max.
Unit
Supply voltage
2.7
2.8
2.85
V
Current consumption
28
tbd.
mA
Modulator Inputs (I/Q)
Minimum
Typical /
Nominal
Nominal
Maximum
Unit / Notes
Input bias current (balanced)
100
nA
Input common mode voltage
0.8
V
Input level (balanced)
1.2
Vpp
Input frequency range
0
300
kHz
Input resistance (balanced)
tbd
kohms
Input capacitance (balanced)
2
pF
IQ–input phase balance
total, temperature included
total, temperature included
–4
4
deg.
IQ–input phase balance
temperature effect
temperature effect
–2
2
deg.
IQ–input amplitude balance
total, temperature included
total, temperature included
–0.5
0.5
dB
IQ–input amplitude balance
temperature effect
temperature effect
–0.2
0.2
dB
Modulator Output
Minimum
Typical /
Nominal
Nominal
Maximum
Unit / Notes
Output frequency
85
400
MHz
Output power, high (bal-
anced, into 100 ohm)
NOTE: Requires input level of
1.1 Vpp (difrential)
anced, into 100 ohm)
NOTE: Requires input level of
1.1 Vpp (difrential)
–5
–3
dBm
Output power, low (balanced,
into 100 ohm )
NOTE: Requires input level of
1.1 Vpp (diff.)
into 100 ohm )
NOTE: Requires input level of
1.1 Vpp (diff.)
–10
–8
dBm
Noise level in output
–145
dBm/Hz avg.
Total gain control range
35
dB
Gain step
5
dB