8.3 Other functions
WF1943B 8-7
z Sweep input/output
Sweep trigger input
Input level
Signal characteristic
Minimum pulse width
Input impedance
Input connector
Synchronous sweep output
Output level
Signal characteristics
Output impedance
Load impedance
Output connector
High level ≥ +3.9 V, low level ≤ +1.6 V
Single/gated sweep start at rising or falling edge (selectable)
200 ns.
At 10 kΩ, pulling up to +5 V
Front panel, BNC receptacle (TRIG/SWEEP IN)
Combined use with trigger input for gate, trigger and trig’d gate
0/+5 V (open)
Low level: sweeping from start to stop
High level: Other times
(If
sweep, high level for about 0.2 ms to 0.5 ms directly
before quick change from stop to start.)
50 Ω, unbalanced
45 Ω and more
Front panel, BNC receptacle (SYNC OUT)
Combined use with SYNC OUT
z Internal modulation functions
Modulation items
Internal modulation frequency
Range
Resolution
Internal modulation waveform
FM (FSK), PM (PSK)
0.1 mHz to 500.00 Hz
5 digits at 1 Hz and more, 0.1 mHz at less than 1 Hz.
, , , ,
z Setting initialization
Functions Initializes nearly all setting contents.
Initialization settings,
“3.3 Basic operation(Initialization table)”,
cf.
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