224 Keysight InfiniiVision DSOX1204A/G Oscilloscopes Programmer's Guide
11 :DEMO Commands
:DEMO:FUNCtion
(see page 798)
Command Syntax
:DEMO:FUNCtion <signal>
<signal> ::= {SINusoid | NOISy | LFSine | AM | RFBurst | FMBurst
| HARMonics | COUPling | RINGing | SINGle | CLK | TRANsition
| BURSt | GLITch | UART | CAN | LIN}
The :DEMO:FUNCtion command selects the type of demo signal:
Demo Signal Function Demo Terminal
SINusoid 250 kHz sine wave @ ~ 6 Vpp, 0 V offset
NOISy 1 kHz sine wave @ ~ 2.4 Vpp, 0.0 V offset, with ~ 0.5 Vpp of
random noise added
LFSine 30 Hz sine wave @ ~2.7 Vpp, 0 V offset, with very narrow glitch
near each positive peak
AM Amplitude modulated signal, ~ 3 Vpp, 0 V offset, with ~260 kHz
carrier and sine envelope
RFBurst 5-cycle burst of a 10 MHz amplitude modulated sine wave @ ~
2.6 Vpp, 0 V offset occurring once every 4 ms
FMBurst FM burst, modulated from ~100 kHz to ~1 MHz, ~5.0 Vpp,
~600 mV offset.
HARMonics 1 kHz sine wave @ ~3.5 Vpp, 0.0 V offset, with a ~2 kHz sine wave
coupled in
COUPling 1 kHz square wave @ ~1 Vpp, 0.0 V offset, with a ~90 kHz sine
wave with ~180 mVpp riding on top
RINGing 10 kHz digital pulse @ ~ 3 Vpp, 1.5 V offset, and ~24 μs pulse
width with ringing
SINGle ~24 μs wide digital pulse with ringing @ ~ 3 Vpp, 1.5 V offset
Press the front panel Set Off Single-Shot softkey to cause the
selected single-shot signal to be output.
CLK 50 kHz clock @ ~2 Vpp, 1 V offset, with infrequent glitch (1 glitch
per 50,000 clocks)
TRANsition Digital pulse train with two different edge speeds @ ~ 3.5 Vpp,
1.75 V offset
BURSt Burst of digital pulses that occur every 50 µs @ ~ 3.6 Vpp, ~1.5 V
offset
GLITch Burst of 6 digital pulses (plus infrequent glitch) that occurs once
every 80 µs @ ~3.6 Vpp, ~1.8 V offset
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