PAMS Technical Documentation
System Module
NSB-5
Issue 1 03/01
Nokia Mobile Phones Ltd.
Page 79
* PLL is locked to 400MHz
VHF VCO and Lowpass Filter
Table 41: VHF VCO and lowpass filter specifications
Phase
comparison frequency
1
MHz
Charge pump output
0.5
mA
Sink to source current
matching error of the
charge pump
+/- 5
%
Charge pump current
error
+/- 10
%
Charge pump min. output
voltage
0.5
V
Charge pump max. output
voltage
VCE-0.5
V
Charge pump leakage
current
5
nA
Phase detector phase
noise level
-163
dBc/Hz
Parameter
Minimum
Typical/
Nominal
Maximum
Unit/Notes
Control voltage
0.5
4.0
V
Operation frequency
800
MHz
Output level
-7
-5
-3
dBm
Output impedance
50
ohms
Harmonics
-10
dBc
Phase noise,
fo +/- 600 kHz
fo +/- 1600 kHz
fo +/- 3000 kHz
-123
-133
-143
dBc
Control voltage sensitiv-
ity
8
9
10
MHz/V
Frequency Pulling Figures
due to load variations
+/- 1
MHz
due to supply variations
+/- 1
MHz/V
due to temp variations
+/- 3
MHz, -20...+75
Parameter
Minimum
Typical/
Nominal
Maximum
Unit/Notes