NF WF1945B, Instruction Manual

Page: 178 / 188

8-12
WF1945B
8.6 Options
z
1991 synchronous operation option
Function
Time
difference
Others
Synchronous operation of multiple units of the WF 19 series*
1991 is required all synchronous operation.
Under condition of continuous oscillations, external AM off, 50
Ω
load,
DC offset 0 V and amplitude setting 10 Vp-p/50
Ω
, phase synchronization
after setting same waveform and frequency,
The time difference among the equipment: (
±
25 ns + 10 ns/unit) and below.
The cable connecting multiple units of the WF 19 series* is optional.
(1994 synchronous operation cable)
z
1994 synchronous operation cable
1991 synchronous operation option, for connecting multiple units of the WF 19 series*. To
connect n units of the WF 19 series* (n
−
1) of 1994 synchronous operation cables are necessary.
z
1992A digital output option
Function
Data
format
Output digital signal applied to waveform D/A.
Upper 15 bits of the 16-bit waveform data and the clock are output.
The relation between arbitrary waveform data setting and output data is as
follows :
Arbitrary waveform data
ARB and:
Data: DAC commands
ARW and:
Data: DAC WORD commands
Output data
+16383 +32766 、 +32767 7FFFH
+16382
+32764 、 +32765
7FFEH
+16381
+32762 、 +32765
7FFDH
… … …
+2
+4 、 +5
4002H
+1
+2
、
+3
4001H
0
0
、
+1
4000H
-1
-2
、
-1
3FFFH
-2
-4 、 -3
3FFEH
… … …
-16382
-32764
、
-32763
0002H
-16383
-32766
、
-32765
0001H
-16384
-32768
、
-32767
0000H
Accessory Digital output cable: One
*1: The following products: 1945, 1946, 1956, WF1945, WF1946, WF1956, WF1945A, WF1946A,
WF1965, WF1966, WF1945B, and WF1946B