diff --git a/testing/testTables.py b/testing/testTables.py
index daf5317b65d04090883e4666055896e42e0ba2dc..41000a1b1c0dc964dce12e1fcb9af8ff61b16f40 100644
--- a/testing/testTables.py
+++ b/testing/testTables.py
@@ -4,17 +4,11 @@ import unittest
 from random import random, randint
 from os import system, environ, popen
 
-from testFilters import readReg, getBoard, flot2Qmn
+from testFilters import readReg, getBoard, float2Qmn
 
 NELM = 16
-PREC = 15
 FF_REG="0x41e"
 SP_REG="0x41f"
-M_BITS=1
-N_BITS=15
-
-MIN_VAL=-2**(M_BITS-1)
-MAX_VAL=2**(M_BITS-1) - 2**(-N_BITS)
 
 # Normal mode
 
@@ -30,14 +24,15 @@ MAX_VAL=2**(M_BITS-1) - 2**(-N_BITS)
 # FF - SM - I
 # FF - SM - Q 
 
+def getMinMaxMN(m, n, signed):
+    if signed:
+        min = -2**(m-1)
+        max = 2**(m-1) - 2**(-n)
+    else:
+        min = 0
+        max = (2**m) - (2**(-n))
 
-#epicsFloat32 sis8300llrfControlTableChannel::_FFSPSampleMin =                    
-#         (epicsFloat32) (-pow(2, sis8300llrfdrv_Qmn_IQ_sample.int_bits_m - 1));  
-#                                                                                 
-#epicsFloat32 sis8300llrfControlTableChannel::_FFSPSampleMax =                    
-#         (epicsFloat32) (pow(2, sis8300llrfdrv_Qmn_IQ_sample.int_bits_m - 1) -   
-#                         pow(2, -(int)sis8300llrfdrv_Qmn_IQ_sample.frac_bits_n));
-#
+    return (min, max)
 
 def readMem(board, offset, size):
     p = popen("sis8300drv_mem %s -o %d -n %d" % (board, offset, size))
@@ -46,6 +41,38 @@ def readMem(board, offset, size):
 
     return ret
 
+def set_table(pv_base, ctrl, type, qi, qmn, size = 16):
+    """Set values for one table (the same value)
+    ctrl = SP / FF
+    type = PT0 / SM
+    qi = I / Q
+    size = number of elements
+    qmn = (m, n, signed)
+    """
+
+    (min, max) = getMinMaxMN(*qmn)
+
+    val = round(random()*(max-min)+min, qmn[2])
+    while (val > max or val < min):
+        val = round(random()*(max-min)+min, qmn[2])
+
+    vals = []
+    vals.extend([val]*size)
+    # let on format to caput
+    vals_str = str(size) + " " + (str(vals).replace(",",""))[1:-1]
+    
+    pv = pv_base + ":" + ctrl + "-" + type
+
+    system("caput -a %s %s > /dev/null " % (pv + "-" + qi, vals_str))
+
+    # write table to the memory
+    system("caput %s %d > /dev/null " % (pv + "-WRTBL", 1))
+
+    # update readback
+    system("caput %s %d > /dev/null " % (pv + "-" + qi + "-GET.PROC", 1))
+
+
+    return val
 
 class TestTablesNormal(unittest.TestCase):
     """Class for test tables on Normal mode"""
@@ -53,45 +80,104 @@ class TestTablesNormal(unittest.TestCase):
         super().__init__(*args, **kw)
         self.board = getBoard()
         self.PV = environ.get("LLRF_IOC_NAME") + "1"
+        self.qmn = (1, 15, 1)
 
-    def set_table(self, ctrl, type, qi, size=16):
-        """Set values for one table (the same value)
-        ctrl = SP / FF
-        type = PT0 / SM
-        qi = I / Q
-        size = number of elements
-        """
-        val = round(random()*(MAX_VAL-MIN_VAL)+MIN_VAL, PREC)
-        while (val > MAX_VAL or val < MIN_VAL):
-            val = round(random()*(MAX_VAL-MIN_VAL)+MIN_VAL, PREC)
+    def test_tables_sp_qi(self):
+        """Test tables SP Q/I on normal mode"""
+        q_val = set_table(self.PV, "SP", "PT0", "Q", self.qmn)
+        i_val = set_table(self.PV, "SP", "PT0", "I", self.qmn)
+    
+        mem_pos = int(readReg(self.board, SP_REG), NELM)
+        mem_values = (readMem(self.board, int(mem_pos/2), NELM*2).split('\n'))[:-1]
+        q_val_qmn = str(float2Qmn(q_val, *self.qmn))
+        i_val_qmn = str(float2Qmn(i_val, *self.qmn))
+       
+        # get a random position to check 
+        pos = randint(1, 15)
+        # q pos = pos*2
+        # i pos = pos*2 + 1
 
-        vals = []
-        vals.extend([val]*size)
-        # let on format to caput
-        vals_str = str(size) + " " + (str(vals).replace(",",""))[1:-1]
-        
-        pv = self.PV + ":" + ctrl + "-" + type
+        self.assertEqual(q_val_qmn, mem_values[pos*2])
+        self.assertEqual(i_val_qmn, mem_values[pos*2+1])
 
-        system("caput -a %s %s > /dev/null " % (pv + "-" + qi, vals_str))
+    def test_tables_ff_qi(self):
+        """Test tables FF Q/I on normal mode"""
+        q_val = set_table(self.PV, "FF", "PT0", "Q", self.qmn)
+        i_val = set_table(self.PV, "FF", "PT0", "I", self.qmn)
+    
+        mem_pos = int(readReg(self.board, FF_REG), NELM)
+        mem_values = (readMem(self.board, int(mem_pos/2), NELM*2).split('\n'))[:-1]
+        q_val_qmn = str(float2Qmn(q_val, *self.qmn))
+        i_val_qmn = str(float2Qmn(i_val, *self.qmn))
+       
+        # get a random position to check 
+        pos = randint(1, 15)
+        # q pos = pos*2
+        # i pos = pos*2 + 1
+
+        self.assertEqual(q_val_qmn, mem_values[pos*2])
+        self.assertEqual(i_val_qmn, mem_values[pos*2+1])
 
-        # write table to the memory
-        system("caput %s %d > /dev/null " % (pv + "-WRTBL", 1))
 
-        return val
+class TestTablesSpecial(unittest.TestCase):
+    """Class for test tables on Normal mode on normal mode"""
+    def __init__(self, *args, **kw):
+        super().__init__(*args, **kw)
+        self.board = getBoard()
+        self.PV = environ.get("LLRF_IOC_NAME") + "1"
+        self.qmn_ang = (3, 13, 1)
+        self.qmn_mag_sp = (0, 16, 0)
+        self.qmn_mag_ff = (1, 15, 1)
+        self.qmn_qi = (1, 15, 1)
+
+    def test_tables_sp_mag_ang(self):
+        """Test tables SP Mag and Ang"""
+        ang_val = set_table(self.PV, "SP", "SM", "ANG", self.qmn_ang)
+        mag_val = set_table(self.PV, "SP", "SM", "MAG", self.qmn_mag_sp)
+    
+        mem_pos = int(readReg(self.board, SP_REG), NELM)
+        mem_values = (readMem(self.board, int(mem_pos/2), NELM*2).split('\n'))[:-1]
+        ang_val_qmn = str(float2Qmn(ang_val, *self.qmn_ang))
+        mag_val_qmn = str(float2Qmn(mag_val, *self.qmn_mag_sp))
+       
+        # get a random position to check 
+        pos = randint(0, 15)
+        # ang pos = pos*2
+        # mag pos = pos*2 + 1
 
+        self.assertEqual(ang_val_qmn, mem_values[pos*2])
+        self.assertEqual(mag_val_qmn, mem_values[pos*2+1])
+
+    def test_tables_ff_mag_ang(self):
+        """Test tables FF Mag and Ang"""
+        ang_val = set_table(self.PV, "FF", "SM", "ANG", self.qmn_ang)
+        mag_val = set_table(self.PV, "FF", "SM", "MAG", self.qmn_mag_ff)
+    
+        mem_pos = int(readReg(self.board, FF_REG), NELM)
+        mem_values = (readMem(self.board, int(mem_pos/2), NELM*2).split('\n'))[:-1]
+        ang_val_qmn = str(float2Qmn(ang_val, *self.qmn_ang))
+        mag_val_qmn = str(float2Qmn(mag_val, *self.qmn_mag_ff))
+       
+        # get a random position to check 
+        pos = randint(0, 15)
+        # q pos = pos*2
+        # i pos = pos*2 + 1
+
+        self.assertEqual(ang_val_qmn, mem_values[pos*2])
+        self.assertEqual(mag_val_qmn, mem_values[pos*2+1])
 
     def test_tables_sp_qi(self):
-        """Test tables SP Q/I"""
-        q_val = self.set_table("SP", "PT0", "Q")
-        i_val = self.set_table("SP", "PT0", "I")
+        """Test tables SP Q and I """
+        q_val = set_table(self.PV, "SP", "SM", "Q", self.qmn_qi)
+        i_val = set_table(self.PV, "SP", "SM", "I", self.qmn_qi)
     
         mem_pos = int(readReg(self.board, SP_REG), NELM)
         mem_values = (readMem(self.board, int(mem_pos/2), NELM*2).split('\n'))[:-1]
-        q_val_qmn = str(flot2Qmn(q_val, 1, 15, 1))
-        i_val_qmn = str(flot2Qmn(i_val, 1, 15, 1))
+        q_val_qmn = str(float2Qmn(q_val, *self.qmn_qi))
+        i_val_qmn = str(float2Qmn(i_val, *self.qmn_qi))
        
         # get a random position to check 
-        pos = randint(1, 15)
+        pos = randint(0, 15)
         # q pos = pos*2
         # i pos = pos*2 + 1
 
@@ -99,24 +185,23 @@ class TestTablesNormal(unittest.TestCase):
         self.assertEqual(i_val_qmn, mem_values[pos*2+1])
 
     def test_tables_ff_qi(self):
-        """Test tables FF Q/I"""
-        q_val = self.set_table("FF", "PT0", "Q")
-        i_val = self.set_table("FF", "PT0", "I")
+        """Test tables FF Q and I """
+        q_val = set_table(self.PV, "FF", "SM", "Q", self.qmn_qi)
+        i_val = set_table(self.PV, "FF", "SM", "I", self.qmn_qi)
     
         mem_pos = int(readReg(self.board, FF_REG), NELM)
         mem_values = (readMem(self.board, int(mem_pos/2), NELM*2).split('\n'))[:-1]
-        q_val_qmn = str(flot2Qmn(q_val, 1, 15, 1))
-        i_val_qmn = str(flot2Qmn(i_val, 1, 15, 1))
+        q_val_qmn = str(float2Qmn(q_val, *self.qmn_qi))
+        i_val_qmn = str(float2Qmn(i_val, *self.qmn_qi))
        
         # get a random position to check 
-        pos = randint(1, 15)
+        pos = randint(0, 15)
         # q pos = pos*2
         # i pos = pos*2 + 1
 
         self.assertEqual(q_val_qmn, mem_values[pos*2])
         self.assertEqual(i_val_qmn, mem_values[pos*2+1])
 
-
 if __name__ == "__main__":
     unittest.main(verbosity=2)