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37xxxE OM A-171
ALPHABETICAL LISTING N
- NxN SOLUTION USING S2P FILES -
MEASUREMENTS OF THREE DEVICE PAIRINGS CAN BE COMBINED
TO DEDUCE THE BEHAVIOR OF EACH INDIVIDUAL DEVICE.
PROVIDING THREE S2P FILES CONTAINING THE RESPONSE
MEASUREMENTS OF THE DEVICE PAIRS, THE USER CAN SOLVE
FOR A DEVICE’S RESPONSE CHARACTERISTICS (S2P FILE).
- REQUIREMENTS -
-
THE CURRENT DIRECTORY OF THE SELECTED DISK IS USED
FOR THE INPUT AND OUTPUT S2P CHARACTERIZATION FILES.
-
THE CHARACTERIZATION OF THE DEVICE PAIRS SHOULD BE
IN
3 FILES USING THE S2P FORMAT (e.g. PAIR 1 2.S2P,
PAIR 1 3.S2P, AND
PAIR 2 3.S2P) .USE AS MANY POINTS
AS POSSIBLE TO IMPROVE INTERPOLATION ACCURACY. MAKE
SURE THEIR FREQ RANGES COINCIDE.
-
-IF THE DEVICE PAIRS TRANSLATE FREQUENCY (MIXERS),
DEVICE 2 MUST BE RECIPROCAL. ALSO, DE-EMBED ANY
FILTER AND I.F. INTERCONNECT NETWORK OR THRU LINES
BEFORE CAPTURING THE DEVICE PAIRS’ S2P FILES.
-
-IF CONCERNED WITH PHASE WRAPPING, ESTIMATE THE LENGTH
(DELAY) FOR EACH OF THE DEVICES. IF NOT, USE ZERO.
-INSTRUCTIONS -
1. SELECT DISK WHERE THE CURRENT DIRECTORY IS LOCATED.
2. SELECT THE FILENAMES OF THE INPUT DEVICE PAIRS.
3. INPUT THE ESTIMATED LENGTH (DELAY) FOR EACH DEVICE.
4. SOLVE FOR THE DESIRED DEVICE, SAVING AS AN S2P FILE.
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