diff --git a/libraries/base/dp/hdllib.cfg b/libraries/base/dp/hdllib.cfg
index f766c357bb0c8fa1fca29916b65bd5038f8a03d8..0e9754f649d3f7b116ad9af03bb8287ad68f6267 100644
--- a/libraries/base/dp/hdllib.cfg
+++ b/libraries/base/dp/hdllib.cfg
@@ -293,6 +293,7 @@ test_bench_files =
tb/vhdl/tb_tb_dp_block_validate_channel.vhd
tb/vhdl/tb_tb_dp_bsn_align.vhd
tb/vhdl/tb_tb_dp_bsn_source_v2.vhd
+ tb/vhdl/tb_tb_dp_bsn_sync_scheduler.vhd
tb/vhdl/tb_tb_dp_concat.vhd
tb/vhdl/tb_tb_dp_demux.vhd
tb/vhdl/tb_tb2_dp_demux.vhd
diff --git a/libraries/base/dp/tb/vhdl/tb_tb_dp_bsn_sync_scheduler.vhd b/libraries/base/dp/tb/vhdl/tb_tb_dp_bsn_sync_scheduler.vhd
new file mode 100644
index 0000000000000000000000000000000000000000..87f59a5a58144653101545b1b3a94df998cc8e97
--- /dev/null
+++ b/libraries/base/dp/tb/vhdl/tb_tb_dp_bsn_sync_scheduler.vhd
@@ -0,0 +1,79 @@
+-------------------------------------------------------------------------------
+--
+-- Copyright (C) 2010
+-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
+-- JIVE (Joint Institute for VLBI in Europe) <http://www.jive.nl/>
+-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <http://www.gnu.org/licenses/>.
+--
+-------------------------------------------------------------------------------
+-- Author: Eric Kooistra
+-- Purpose: Multi test bench for tb_dp_bsn_sync_scheduler.vhd
+
+LIBRARY IEEE;
+USE IEEE.std_logic_1164.ALL;
+USE work.tb_dp_pkg.ALL;
+
+
+-- > as 4
+-- > run -all --> OK
+
+ENTITY tb_tb_dp_bsn_sync_scheduler IS
+END tb_tb_dp_bsn_sync_scheduler;
+
+
+ARCHITECTURE tb OF tb_tb_dp_bsn_sync_scheduler IS
+ SIGNAL tb_end : STD_LOGIC := '0'; -- declare tb_end to avoid 'No objects found' error on 'when -label tb_end'
+
+ -- Use g_block_size < c_nof_input_sync, because the fractional sync pattern
+ -- will repeat within g_block_size number of sync intervals
+ CONSTANT c_nof_input_sync : NATURAL := 25;
+
+BEGIN
+ -- from tb_dp_bsn_scheduler.vhd
+ --
+ -- -- Input sync period and sosi ctrl
+ -- g_nof_input_sync : NATURAL := 10;
+ -- g_nof_block_per_input_sync : NATURAL := 17;
+ -- g_block_size : NATURAL := 10;
+ -- g_input_gap_size : NATURAL := 3;
+ --
+ -- -- Output sync period
+ -- g_nof_samples_per_output_sync : NATURAL := 45; -- = g_block_size * 9 / 2
+
+
+ -- Note:
+ -- * Use g_nof_input_sync > g_block_size, because the fractional sync pattern
+ -- will repeat within g_block_size number of g_pps_interval's
+
+ u_output_is_input : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 17, 10, 3, 170); -- 170/10 = 17 block/sync, = in_sosi
+ u_output_is_input_no_gaps : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 17, 5, 0, 85); -- 85/5 = 17 block/sync, = in_sosi
+
+ u_sync_interval_0_5x : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 17, 10, 3, 85); -- 85/10 = 8.5 block/sync, factor 85/170 = 0.5,
+ u_sync_interval_1_5x : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 17, 10, 3, 255); -- 255/10 = 25.5 block/sync, factor 255/170 = 1.5,
+ u_sync_interval_prime_251 : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 17, 10, 3, 251); -- 251.10 = 25.1 block/sync, 251 is a prime
+
+ u_short_block_4_3_15 : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 4, 3, 3, 15); -- 15/3 = 5 block/sync,
+ u_short_block_5_3_16 : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 5, 3, 3, 16); -- 16/3 = 5.33 block/sync,
+ u_short_block_6_3_17 : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 6, 3, 3, 17); -- 17/3 = 5.66 block/sync,
+
+ -- TODO: dp_bsn_sync_scheduler works for g_block_size = 2, but expected_out_enable in tb_dp_bsn_sync_scheduler only works for g_block_size > 2
+-- u_short_block_no_gaps : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 7, 2, 0, 16); -- 16/2 = 8 block/sync,
+
+ u_fraction_half : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 17, 10, 3, 45); -- 45/10 = 4.5 block/sync
+ u_fraction_0 : ENTITY work.tb_dp_bsn_sync_scheduler GENERIC MAP (c_nof_input_sync, 17, 10, 3, 50); -- 50/10 = 5 block / sync
+
+END tb;
+