AMIS-53050 Datasheet, PDF (18/107 Pages) AMI SEMICONDUCTOR – Frequency Agile Transceiver

AMIS-53050 Frequency Agile Transceiver
Table 9: Internal Loop Parameters
Filter
Component
R1
Second order
C1
C2
R
Additional pole
C
Reference
Frequency
N
VCO gain
K_VCO
K_VCO
CP current
I_CP
I_CP
Value
60
64
3
110
1
24
22
10
25
50
Units
kΩ
pF
pF
kΩ
pF
MHz
MHz/V
MHz/V
µA
µA
Comments
N=(RF MHz)/(24 MHz)
VCO external coil inductance ~ 15 nH
VCO external coil inductance ~ 91 nH
The charge pump current is user selectable
The charge pump current is user selectable
Data Sheet
Figure 6: Optional External Loop Filter Circuit
AMI Semiconductor – Jan. 07, M-20639-002
18
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