LMX9830SM National Semiconductor, LMX9830SM Datasheet - Page 27
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LMX9830SM
Manufacturer Part Number
LMX9830SM
Description
Manufacturer
National Semiconductor
Datasheet
1.LMX9830SM.pdf
(46 pages)
Specifications of LMX9830SM
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10.9.4 Component Values for NSC Reference Designs
The following is a list of components for the loop filter values
used on National reference design, (Serial Dongle) they have
been tweaked and optimized in each case to yield optimum
Hoppong On- Low Channel
Drift Rate/50 μs
Max Drift
Average Drift
Packets Tested
Packets Failed
Overall Result
Hoppong On- Med Channel
Drift Rate/50 μs
Max Drift
Average Drift
Packets Tested
Packets Failed
Overall Result
Hoppong On- High Channel
Drift Rate/50 μs
Max Drift
Average Drift
Packets Tested
Packets Failed
Overall Result
LMX9830 Dongle
Platform
−12.00 kHz
−15 kHz
−6 kHz
10
0
Pass
−14.20 kHz
−16 kHz
−11kHz
10
0
Pass
−12.70 kHz
−23 kHz
−12 kHz
10
0
Pass
DH1
DH1
DH1
220pF
C8
−15.10 kHz
−17.40 kHz
−16.10kHz
−354 kHz
−35 kHz
−25 kHz
−27 kHz
−29 kHz
−25 kHz
Pass
Pass
Pass
DH3
DH3
DH3
10
10
10
0
0
0
2200pF
C7
27
18.8 kHz
−19 kHz
−9 kHz
10
0
Pass
17.20 kHz
−22 kHz
−9 kHz
10
0
Pass
16.50 kHz
−25 kHz
−16 kHz
10
0
Pass
performance for each case. The values differ slightly from one
platform to another due to board paracitics caused by layout
differences.
DH5
DH5
DH5
39pF
C9
±20 kHz
DHI: ±25 kHz
DH3: ±40 kHz
D5I: ±40 kHz
±20 kHz
DHI: ±25 kHz
DH3: ±40 kHz
D5I: ±40 kHz
±20 kHz
DHI: ±25 kHz
DH3: ±40 kHz
D5I: ±40 kHz
R23
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