diff --git a/lib/radio/ddc/ghdl/tb_ddc.make b/lib/radio/ddc/ghdl/tb_ddc.make
index ace659f..77663a4 100644
--- a/lib/radio/ddc/ghdl/tb_ddc.make
+++ b/lib/radio/ddc/ghdl/tb_ddc.make
@@ -1,19 +1,17 @@
 include ../../../../lib/FIFO/ghdl/fifo_sync.inc
 include ../../../../lib/filter/ghdl/fir_semi_parallel.inc
 include ../../../../lib/radio/nco/ghdl/mix_cordic_pipe.inc
+include ../../../../lib/radio/decimator/CIC/ghdl/cic_decim_pipe.inc
 
 ROOT_PATH := ../../../..
 LIB_PATH := $(ROOT_PATH)/lib
 
-SRCS += $(LIB_PATH)/misc/utils_pkg.vhd
 SRCS += $(FIFO_SYNC_SRCS)
 SRCS += $(FIR_SEMI_PARALLEL_SRCS)
 SRCS += $(MIX_CORDIC_PIPE_SRCS)
+SRCS += $(CIC_DECIM_PIPE_SRCS)
 SRCS +=	$(LIB_PATH)/PCK_FIO-2002.7/PCK_FIO_1993.vhd
 SRCS +=	$(LIB_PATH)/PCK_FIO-2002.7/PCK_FIO_1993_BODY.vhd
-SRCS += $(LIB_PATH)/radio/decimator/CIC/src/cic_i_pipe.vhd
-SRCS += $(LIB_PATH)/radio/decimator/CIC/src/cic_c_pipe.vhd
-SRCS += $(LIB_PATH)/radio/decimator/CIC/src/cic_decim_pipe.vhd
 SRCS += $(LIB_PATH)/radio/ddc/src/ddc.vhd
 SRCS += $(LIB_PATH)/radio/ddc/src/tb_ddc.vhd
 
diff --git a/lib/radio/ddc/ghdl/tb_syn_ddc.make b/lib/radio/ddc/ghdl/tb_syn_ddc.make
new file mode 100644
index 0000000..a66f7a2
--- /dev/null
+++ b/lib/radio/ddc/ghdl/tb_syn_ddc.make
@@ -0,0 +1,30 @@
+include ../../../../lib/FIFO/ghdl/fifo_sync.inc
+include ../../../../lib/FIFO/ghdl/fifo_async.inc
+include ../../../../lib/filter/ghdl/fir_semi_parallel.inc
+include ../../../../lib/radio/nco/ghdl/mix_cordic_pipe.inc
+include ../../../../lib/radio/decimator/CIC/ghdl/cic_decim_pipe.inc
+
+ROOT_PATH := ../../../..
+LIB_PATH := $(ROOT_PATH)/lib
+
+SRCS += $(LIB_PATH)/misc/utils_pkg.vhd
+SRCS += $(FIFO_SYNC_SRCS)
+SRCS += $(FIFO_ASYNC_SRCS)
+SRCS += $(FIR_SEMI_PARALLEL_SRCS)
+SRCS += $(MIX_CORDIC_PIPE_SRCS)
+SRCS += $(CIC_DECIM_PIPE_SRCS)
+SRCS +=	$(LIB_PATH)/PCK_FIO-2002.7/PCK_FIO_1993.vhd
+SRCS +=	$(LIB_PATH)/PCK_FIO-2002.7/PCK_FIO_1993_BODY.vhd
+SRCS += $(LIB_PATH)/radio/ddc/src/syn_ddc.vhd
+SRCS += $(LIB_PATH)/radio/ddc/src/tb_syn_ddc.vhd
+
+# Compile
+TARGET := tb_syn_ddc
+ENTITY := tb_syn_ddc
+WITH_VCD := y
+RUN_TIME := 500us
+
+GHDL_OPTS := -P$(LIB_PATH)/fixed/ieee_proposed/build/fixed_pkg/ieee_proposed
+
+include $(ROOT_PATH)/Common/make/ghdl.mk
+