Nokia NPL-4 Series Manual page 20
Transceivers, system module and user interface
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Also See for NPL-4 Series:
- Troubleshooting instructions (102 pages) ,
- Disassembly instructions manual (6 pages)
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NPL-4/5/RM-104
System Module and User Interface
Table 5: AC and DC Characteristics of DCT4 RF-Baseband Voltage Supplies
VR6
UEMEK
VR7
UEMEK
VrefRF01
UEMEK
VrefRF02
UEMEK
Copyright © 2005 Nokia Corporation. All rights reserved.
Page 20
HELGO85
Voltage
Current
Noise
density
BW=100Hz.
.. 100kHz
SHF VCO
Voltage
Current
Noise
density
100Hz<f<2
kHz
2kHz<f<10
kHz
10kHz<f<3
0kHz
30kHz<f<9
0kHz
90kHz<f<3
MHz
HELGO85
Voltage
Current
Temp Coef
Noise
density
BW=600Hz.
.. 100kHz
Note
VB_EXT
Voltage
2.7
2.78
2.86 V
50 MA
240 nVrms/
2.7
2.78
2.86 V
30 MA
70 nVrms/
55
35
30
30
1.334
1.35
1.366 V
100 µA
-65
65 µV/C
60 nVrms/
1.334
1.35
1.366
Nokia Customer Care
Supply for
HELGO85
BB and
LNAs
sqrt(Hz)
Supply for
SHF VCO
sqrt(Hz)
Voltage
Reference
for
HELGO85
DCN2
op.amps.
Note:
Below
600Hz
noise
density is
allowed to
increase 20
dB/oct
sqrt(Hz)
V
Voltage
reference
for
HELGO85
bias block.
Not used
for
HELGO85
Issue 2 05/05
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