NF WF1945B, Instruction Manual

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1-2
WF1945B
1.1 Features
The WF1945B Wave Factory is a multifunctional synthesizer based on the direct digital synthesizer (DDS)
system.
The WF1945B is single channel, but the series also includes the 2-channel WF1946B, the single-channel
WF1943B with basic functions, and the 2-channel WF1944B with basic functions.
z Frequency setting range : 0.01
µ
Hz to 15 MHz
z
Maximum output voltage : 20 Vp-p/open,
±
10 V/open
z Waveform resolution: 16 bits
z
Key navigation lights the next keys to be operated, thus improving operational ease.
z User units function allows setting formula and character string to convert settings and display to the
desired units.
z LOAD function aligns the setting and actual output voltages when an arbitrary load impedance in
connected.
z Convenient use as a pulse generator with pulse period, width, high level and low level setting and
display. A trigger delay function is also included.
z Five standard waveforms: sinewave, triangular wave, squarewave, rising sawtooth and descending
sawtooth, plus arbitrary waveform.
z Frequency change and frequency sweep are coupled with phase, avoiding waveform cutoff.
z
Unpredicted voltage is not produced during amplitude change. Since the output range is fixed, the
amplitude can be changed from 0 to maximum without waveform cutoff.
z
Versatile oscillation modes
・
Continuous
・ Intermittent: Burst, trigger, gate, in addition to triggered gate for repeated oscillation start/stop
・
Sweep: Sweep for not only frequency, but also phase, amplitude, DC offset and duty
・ Modulation: FM (FSK), phase (PSK), AM, DC offset and PWM
・
White noise generator
・ DC voltage generator
z
Floating inputs and outputs to prevent ground loop effects.
z The 1991 synchronous operation option enables synchronized operation of multiple units and
operation as an oscillator with increased number of channels.
z The 1992A digital output option can provide a 15 bit digital signal corresponding to the output waveform
and enable use as a digital pattern generator.