Model  4145A 
SECTION  I 
Table  l-l.  Snecifimtions  (Sheet 
3 
of  8) 
Voltage  Sources  (Vs)  :  Two  Vs  channels.  Each  Vs  can  be  programmed  to  function 
as  a  variable  or  constant  DC  voltage  source.  Output  ranges,  resolution,  and 
accuracy  specifications  are  given  in  the  table  below. 
Output  Voltage  Range  Resolution 
Accuracy 
Max.  Output  Current 
+2ov  1mV  0.5%  of  setting  +lOmV  lOmA 
Output  Impedance  :  Less  than  0.2R 
Capacitive  Load  :  2 1OOOpF 
Voltage  Monitors  (Vm)  : 
Two  Vm  channels.  output  ranges,  resolution, 
and 
accuracy  specifications  are  given  in  the  table  below. 
Measurement  Voltage  Range 
Resolution 
I 
Accuracy 
1 
I 
1OOPV 
I 
0.5%  of  reading  +  1OmV 
I 
I 
1mV 
I 
0.2%  of  reading  +  1OmV 
I 
Input  Impedance  :  lMR+  1% 
Capacitance  in  Parallel  with  Output  :  150pF+  10 % 
l-7