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The ET33C series dual-channel function/arbitrary waveform generator uses direct digital synthesis (DDS) technology to create stable and accurate output signals.
The instrument output channels are CH1 channel output and CH2 channel output. Both channels can output basic waveforms and arbitrary waves. One channel can be selected to output various modulation waveforms, and the other channel can output basic waveforms.
ET3320C sine wave 1μHz ~ 20MHz; square wave 1μHz ~ 15MHz; triangle wave 1μHz ~ 15MHz; pulse wave 100μHz ~ 6MHz; arbitrary wave 1μHz ~ 6MHz, frequency resolution 1μHz, frequency accuracy ±20ppm, frequency stability ±1ppm/3 hours
Sine wave, harmonic suppression ≥45dBc (
Pulse wave, pulse width, minimum 20ns; 1ns resolution
Edge transition time, minimum 20ns; overshoot,
Jitter, 6ns+0.1% period
Sawtooth wave, linearity ≥98% (0.01Hz~10kHz), symmetry, 0.0~100.0% (resolution 0.1%
Amplitude Frequency＜10MHz Amplitude resolution 1mV
Amplitude accuracy: 1% of the setting value + 2mVpp (1kHz sine wave, 0 offset, >10mVpp)
Amplitude flatness (relative to 1k sine wave, 1Vpp) ±0.4dB
Ben
Reviewed in the United States on September 24, 2024
Veey flexible, lots of waveforms and reasonable fidelity for the price range.The only thing that I don't like is it fully powers up when plugged in. This is a very minor issue, but has negative implications for remote power switching and power failures.
EDWARD B.
Reviewed in the United States on September 20, 2024
Great flexibility in waveform and modulation (sweep, am, fm, fsk). Haven't tried the computer interface. An open-source FPGA example is easy to find, but for the price, you can't beat this one. The UI is simple and intuitive, with a rotary encoder to set values, and arrow buttons to select the value and/or digit you want to change. It does not remember settings (amplitude!) when you switch it off, and you need to press the CH1 button e.g., to get any output, and enable the modulation 'CTRL' as well. The supplied cables have low quality BNCs, so I bought different cables.
dm
Reviewed in the United States on November 6, 2024
If you just need to generate some preset signals, this works. If you want to set up something special, it gets bothersome quickly. External control is limited, as is internal. Pulse duration is limited. Everything is limited. It's not a bandwidth limitation, it's their firmware not allowing the device to take advantage of what little bandwidth it does have. The programming logic is limited too.
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