robin/two_pole_dc_pass
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Robin P. Clark 79466643b6 added 15/16th squared two pole low pass filter
2021-04-07 11:36:19 +01:00
DSP_DC_PASS.jpg Filter 15 16 chosen 2019-09-10 11:38:04 +01:00
fa.gpt Z plane analysis in C 2019-09-16 13:01:05 +01:00
freq_analysis.c added 15/16th squared two pole low pass filter 2021-04-07 11:36:19 +01:00
HP48_notes.txt Update HP48_notes.txt 2019-09-09 18:56:10 +01:00
Makefile Z plane analysis in C 2019-09-16 13:01:05 +01:00
README.md Update README.md 2019-09-16 08:34:37 +01:00
tp_2.gpt As an experiment fed the 7/8 LAG in twice. It tstill does not perform as 2019-08-26 09:41:24 +01:00
tp.gpt Strong double prec low pass added 2019-09-11 12:29:36 +01:00
two_pole_7_8.c comment 2019-09-14 20:59:29 +01:00

README.md

two_pole_dc_pass

Implements the old 7/8ths LAG filter but squared and a 15/16 squared lag filter i.e. two pole versions.

Optimised for 8 bit implementations.

Also feeds the output of the 15/16th squared lag to a 0.01/0.99 double precision lag that has a very long RC time