diff --git a/drivers/Makefile b/drivers/Makefile
index 9da712b..058ecce 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -10,7 +10,7 @@ CXXFLAGS=-O0 -g -Wall -Wshadow -pedantic
 CXXCPPFLAGS=-I. -I..
 
 #ToDo PBP-HS3-test.exe
-SUBDIRS:=SpinCore-PulseBlaster SpinCore-PulseBlaster24Bit SpinCore-PulseBlasterDDSIII PTS-Synthesizer Eurotherm-2000Series dummy Spectrum-MI40xxSeries Spectrum-M2i40xxSeries Tecmag-DAC20
+SUBDIRS:=SpinCore-PulseBlaster SpinCore-PulseBlaster24Bit SpinCore-PulseBlasterDDSIII PTS-Synthesizer Eurotherm-2000Series dummy Spectrum-MI40xxSeries Spectrum-M2i40xxSeries Tecmag-DAC20 DAC-AD5791
 ifeq ($(shell /bin/uname -o),Cygwin)
 SUBDIRS+=TiePie-HS3 Datel-PCI416
 endif
diff --git a/machines/Makefile b/machines/Makefile
index 728fe62..0870ba3 100644
--- a/machines/Makefile
+++ b/machines/Makefile
@@ -21,6 +21,7 @@ MACHINES = \
 	magnexgrad_backend_dds \
 	PFGcore$(EXEEXT) \
 	fc2_backend$(EXEEXT) \
+	fc2_backend_AD5791$(EXEEXT) \
 	fc1neu_backend$(EXEEXT) \
 	bg_backend \
 	Mobilecore$(EXEEXT) \
@@ -32,6 +33,7 @@ DRV_SPC_MI40xx    = ../drivers/Spectrum-MI40xxSeries/Spectrum-MI40xxSeries.a
 DRV_SPC_M2i40xx   = ../drivers/Spectrum-M2i40xxSeries/Spectrum-M2i40xxSeries.a
 DRV_PTS           = ../drivers/PTS-Synthesizer/PTS.o
 DRV_DAC20         = ../drivers/Tecmag-DAC20/DAC20.o
+DRV_AD5791         = ../drivers/DAC-AD5791/AD5791.o
 DRV_PB_24BIT      = ../drivers/SpinCore-PulseBlaster24Bit/SpinCore-PulseBlaster24Bit.o
 DRV_PB_DDSIII     = ../drivers/SpinCore-PulseBlasterDDSIII/SpinCore-PulseBlasterDDSIII.o
 DRV_PB            = ../drivers/SpinCore-PulseBlaster/SpinCore-PulseBlaster.o
@@ -90,6 +92,9 @@ $(DRV_PTS):
 $(DRV_DAC20):
 	$(MAKE) -C ../drivers/Tecmag-DAC20 DAC20.o
 
+$(DRV_AD5791):
+	$(MAKE) -C ../drivers/DAC-AD5791 AD5791.o
+
 $(DRV_SPC_MI40xx):
 	$(MAKE) -C ../drivers/Spectrum-MI40xxSeries Spectrum-MI40xxSeries.o
 	
@@ -247,6 +252,21 @@ fc2_backend.o: fc2_backend.cpp \
 ../drivers/SpinCore-PulseBlaster24Bit/SpinCore-PulseBlaster24Bit.h ../drivers/SpinCore-PulseBlaster/SpinCore-PulseBlaster.h ../drivers/SpinCore-PulseBlaster/PulseBlasterProgram.h ../drivers/Tecmag-DAC20/DAC20.h\
 ../core/stopwatch.h ../drivers/Spectrum-MI40xxSeries/Spectrum-MI40xxSeries.h
 
+# fc2 with AD5791 
+
+fc2_backend_AD5791$(EXEEXT): fc2_backend_AD5791.o \
+		hardware.o \
+		$(DRV_SPC_MI40xx) \
+		$(DRV_PTS) \
+		$(DRV_AD5791) \
+		$(DRV_PB_24BIT) $(DRV_PB) $(DRV_PB_PROG) \
+		../core/core.a
+	@$(LINK_MACHINE) $^ $(LIBS) -o $@ -lpthread
+
+fc2_backend_AD5791.o: fc2_backend_AD5791.cpp \
+../drivers/SpinCore-PulseBlaster24Bit/SpinCore-PulseBlaster24Bit.h ../drivers/SpinCore-PulseBlaster/SpinCore-PulseBlaster.h ../drivers/SpinCore-PulseBlaster/PulseBlasterProgram.h ../drivers/DAC-AD5791/AD5791.h\
+../core/stopwatch.h ../drivers/Spectrum-MI40xxSeries/Spectrum-MI40xxSeries.h
+
 berta: berta.o \
 		hardware.o \
 		$(DRV_SPC_MI40xx) \
diff --git a/machines/fc2_backend_AD5791.cpp b/machines/fc2_backend_AD5791.cpp
new file mode 100644
index 0000000..7add8bf
--- /dev/null
+++ b/machines/fc2_backend_AD5791.cpp
@@ -0,0 +1,150 @@
+/* **************************************************************************
+
+ Author: Achim Gaedke
+ Created: June 2004
+
+ ****************************************************************************/
+#include "machines/hardware.h"
+#include "core/core.h"
+#include "drivers/DAC-AD5791/AD5791.h"
+#include "drivers/PTS-Synthesizer/PTS.h"
+#include "drivers/Spectrum-MI40xxSeries/Spectrum-MI40xxSeries.h"
+#include "drivers/SpinCore-PulseBlaster24Bit/SpinCore-PulseBlaster24Bit.h"
+
+/**
+ \defgroup fc2machine FC2 NMR Spectrometer
+ \ingroup machines
+ Uses Spincore Pulseblaster 24 Bit and Spectrum MI4021, and some DACs
+
+ \par Starting the hardware
+ This procedure should assure the correct initialisation of the hardware:
+ \li Switch off main switches of SpinCore Pulseblaster and Computer (the main switch of the computer is at the rear)
+ \li Switch on Computer and start Windows or linux
+
+ @{
+ */
+
+/**
+ line 0 for gate
+ line 1 for pulse
+ line 22 for trigger
+ line 3 free
+ */
+class FC2_hardware: public hardware
+{
+
+    SpinCorePulseBlaster24Bit* my_pulseblaster;
+    SpectrumMI40xxSeries* my_adc;
+
+public:
+    FC2_hardware()
+    {
+        ttlout trigger;
+        trigger.id = 0;
+        trigger.ttls = 0x400000; /* line 22 */ //
+        my_adc = new SpectrumMI40xxSeries(trigger);
+        my_pulseblaster = new SpinCorePulseBlaster24Bit(0, 1e8, 0x800000);
+        PTS* my_pts = new PTS_latched(0); // ID of PTS_analogout 0
+        the_fg = my_pts;
+        the_pg = my_pulseblaster;
+        the_adc = my_adc;
+/*        AD5791* dac;
+        dac = new AD5791(1);
+        dac->set_latch_bit(17);
+        list_dacs.push_back(dac);
+        dac = new AD5791(2);
+        dac->set_latch_bit(19);
+        list_dacs.push_back(dac);
+*/
+    }
+
+    result* experiment(const state& exp)
+    {
+        result* r = NULL;
+        for (size_t tries = 0; r == NULL && core::term_signal == 0 && tries < 102; ++tries)
+        {
+            state* work_copy = exp.copy_flat();
+            if (work_copy == NULL)
+                return new error_result(1, "could create work copy of experiment sequence");
+            try
+            {
+                if (the_fg != NULL)
+                    the_fg->set_frequency(*work_copy);
+                if (the_adc != NULL)
+                    the_adc->set_daq(*work_copy);
+                experiment_prepare_dacs(work_copy);
+                // the pulse generator is necessary
+                my_pulseblaster->run_pulse_program_w_sync(*work_copy, my_adc->get_sample_clock_frequency());
+                // wait for pulse generator
+                the_pg->wait_till_end();
+                // after that, the result must be available
+                if (the_adc != NULL)
+                    r = the_adc->get_samples();
+                else
+                    r = new adc_result(1, 0, NULL);
+            }
+            catch (const RecoverableException &e)
+            {
+                r = new error_result(1, e.what());
+            }
+            delete work_copy;
+            if (core::quit_signal != 0)
+                break;
+        }
+        return r;
+    }
+
+    virtual ~FC2_hardware()
+    {
+        if (the_adc != NULL)
+            delete the_adc;
+        if (the_pg != NULL)
+            delete the_pg;
+        if (the_fg != NULL)
+            delete the_fg;
+    }
+};
+
+/**
+ \brief brings standard core together with the Mobile NMR hardware
+ */
+class FC2_core: public core
+{
+    std::string the_name;
+public:
+    FC2_core(const core_config& conf) :
+        core(conf),
+        the_name("FC2 core")
+    {
+        the_hardware = new FC2_hardware();
+    }
+
+    virtual const std::string& core_name() const
+    {
+        return the_name;
+    }
+};
+
+/**
+ @}
+ */
+
+int main(int argc, const char** argv)
+{
+    int return_result = 0;
+    try
+    {
+        core_config my_conf(argv, argc);
+        // setup input and output
+        FC2_core my_core(my_conf);
+        // start core application
+        my_core.run();
+    }
+    catch (const DamarisException& e)
+    {
+        fprintf(stderr, "%s\n", e.what());
+        return_result = 1;
+    }
+
+    return return_result;
+}