[sdiy] Buchla 295 10-band comb filter topology

[m brandenberg]

On Fri, 25 Nov 2022, Mike Bryant wrote:

> What I did was put a 4*4 multiplier in a 256x9 ROM with a carry bit and addressed it through some 4/8/12 bit shifters multiple times.  Saves a lot of single bit shifting.

Which was exactly the method used in the vax 11/780's floating point
accelerator.  Page 2-49:

http://www.bitsavers.org/pdf/dec/vax/780/EK-FP780-TD-001_FP780_Technical_Description_197812.pdf

--
Monty Brandenberg