Uhf Vco Module - Nokia NSE-6 SERIES Service Manual

PAMS
Technical Documentation

UHF VCO module

Parameter
Supply voltage, Vcc
Supply current, Icc
Control voltage, Vc
Oscillation frequency
Tuning voltage in center frequency
Tuning voltage sensitivity in operating
frequency range on each spot freq.
Output power level
UHF local signal input in CRFU_1a
Parameter
Input frequency range
Input level
Connections
RF baseband signals
Signal From To
name
VBATT Battery RF
VXO MAD CCONT
ENA
SYN MAD CCONT
PWR
RX MAD CCONT
PWR
Original 08/98
Conditions
Vcc = 2.8 V,
Vc= 2.25 V
Vcc = 2.8 V
Vcc = 2.8 V
Vc = 0.8 V
Vc = 3.7 V
f = 1018.5 MHz
Vcc = 2.8 V
f=1006...1031
MHz
Vcc=2.7 V
f=1006...1031
MHz
Min. Typ.
990
200
Parameter Mini-
mum
Voltage 3.0
Logic high "1" 2.0
Logic low "0" 0
Logic high "1" 2.0
Logic low "0" 0
Logic high "1" 2.0
Logic low "0" 0
System Module
Rating
2.8 +/– 0.1
< 10
0.8... 3.7
< 1006
> 1031
2.25 +/– 0.25
14 +/– 2
–6.0 min.
Max. Unit/Notes
1040 MHz
700 mVpp
Typi- Maxi- Unit
cal mum
3.6 5.0/6.0 V Supply voltage for
RF
2.85 V VR1, VR6 in
CCONT ON
0.8 V VR1, VR6 in
CCONT OFF
2.85 V VR3, VR4 in
CCONT ON
0.8 V VR3,VR4 in
CCONT OFF
2.85 V VR2, VR5 in
CCONT ON
0.8 V VR2, VR5 in
CCONT OFF
NSE–6
Unit/
Notes
V
mA
V
MHz
MHz
V
MHz/V
dBm
Function
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