NF WF1946B, Инструкция по эксплуатации, Страница: 130 / 204

4.4 Arbitrary Waveform
4-64
WF1946B
Other operations:
• Arbitrary waveform data input:
ARB EDIT
→
EDIT select
→
ENTER
→
flashes the
waveform data (DT) digits. Use the keypad or
MODIFY
dial to set the data.
Data upper and lower limits are +32767 and
−
32768, which correspond to the amplitude peak-to-peak
settings. For this reason, when the waveform vertical limits are changed by the above type of
method, the amplitude setting (Vp-p) and the actual output waveform Vp-p do not coincide. The
data set addresses are automatically the linear interpolation addresses (the * mark is displayed).
• Clear (to 0) waveform data:
ARB EDIT
→
CLEAR select
→
ENTER
, then again
press
ENTER
. The interpolation marks (*) are
also cleared.
• Apply a name to an arbitrary waveform:
ARB EDIT
→
NAME select
→
ENTER
, then use the
MODIFY
dial to select the characters. Shift
position with and , and input.
Up to 8 characters can be input. Following are
the usable characters.
a b c d e f g h i j k l m n o p q r s t u v w x y z ( s p a c e )
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
! ” # $ % & ’ ( ) * + ,
−
. / : ; < = > ? @ [ ¥ ] ^ _ ` { | }
→ ←
• Change the waveform data size:
ARB EDIT
→
SIZE select
→
ENTER
→
Use and
to select the data size
Relation between the waveform data size and number of waveforms
D a t a s i z e W a v e f o r m n u m b e r
N u m b e r o f
w a v e f o r m s
8 K ( 8 1 9 2 )
0 1 2 3 4 5 6 7 8 9 10 11 12
1 6 K ( 1 6 3 8 4 )
0 1 2 3 4 5 6
3 2 K ( 3 2 7 6 8 )
0 1 2 3
6 4 K ( 6 5 5 3 6 )
0
1
The output waveform changes as described below when the waveform data size is changed.
If, for example, the waveform data size is changed from 16 KB to 8 KB when there is a waveform like
for waveform number 0, is assigned to waveform number 0 and to waveform
number 1.
• Arbitrary waveform data are common for CH1 and CH2.