From d6d8880999114b6b35c48864c5209207a296588d Mon Sep 17 00:00:00 2001 From: Daniel van der Schuur <schuur@astron.nl> Date: Wed, 15 Jul 2015 09:09:53 +0000 Subject: [PATCH] -Fixed WPFB output width which was 14b instead of correct 9b by mistake. --- .../src/vhdl/apertif_unb1_correlator.vhd | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd b/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd index adeff81868..bcefd3ba6c 100644 --- a/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd +++ b/applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator.vhd @@ -178,7 +178,7 @@ ARCHITECTURE str OF apertif_unb1_correlator IS CONSTANT c_wpfb_nof_taps : NATURAL := 8; -- = 8 nof taps n the filter CONSTANT c_wpfb_coef_w : NATURAL := 18; --FIXME: 9b does not work; needs updated coefficient files. CONSTANT c_wpfb_in_dat_w : NATURAL := 8; --FIXME: should be 6b at some point - CONSTANT c_wpfb_out_dat_w : NATURAL := 14; --FIXME: Could be wider but is currently 9b to avoid the need for quantization: 9b -> mult -> 18b -> accu -> 32b at the corr output. + CONSTANT c_wpfb_out_dat_w : NATURAL := 9; --FIXME: Could be wider but is currently 9b to avoid the need for quantization: 9b -> mult -> 18b -> accu -> 32b at the corr output. CONSTANT c_wpfb_use_separate : BOOLEAN := FALSE; -- = false for complex input, true for two real inputs CONSTANT c_wpfb_use_reorder : BOOLEAN := FALSE; -- GitLab