Description
A second output turns a signal source into a small test system. The Tektronix AFG31022 function generator gives you two channels with sine output up to 25 MHz and 14-bit resolution. Lost in HCM lists it for rental and sale, so you can match the quote to your project.
What the second output adds
Use one output as the stimulus and the other as a related signal, such as a reference, a trigger source or a deliberate disturbance. Then compare the circuit response with that second signal. However, verify the synchronization and phase settings before you trust the comparison, because the result depends on them.
Specifications of the Tektronix AFG31022 function generator
| Item | Value |
|---|---|
| Series | AFG31000 |
| Output channels | 2 |
| Continuous sine frequency | 1 μHz to 25 MHz |
| Maximum sample rate | 250 MS/s |
| Vertical resolution | 14 bits |
| Advanced-mode memory | 16 Mpoints per channel |
| Output impedance | 50 Ω |
| Control | 9-inch touchscreen and front-panel controls |
Wiring a two-signal test
Run a suitable coaxial cable from CH1 to the circuit input. Then carry the circuit output to an oscilloscope with a rated probe. Set the waveform, load setting, amplitude and offset for each channel before you enable either output. Output amplitude limits vary with frequency and waveform, so use the datasheet for exact conditions. Confirm grounding, permitted common-mode voltage, termination and signal limits in the manuals first. Do not apply the example to mains or high-voltage switching circuits.
Memory and extras
Standard advanced-mode memory is 16 Mpoints per channel. A 128 Mpoints per channel upgrade is available only when the quote specifies it. Therefore, write sequencing needs and memory extensions into your request. Also list the accessories and calibration documents you expect on delivery.
Rental or purchase route
A rental of the Tektronix AFG31022 function generator fits a university course, a short R&D peak or an audit. A purchase fits a permanent two-signal bench. In both cases, request a quote from Lost in HCM and describe your application and delivery site. You can browse more waveform and function generators, read the Tektronix website or contact SMK Vietnam.
AFG31022 buyer answers
Is extra waveform memory included?
No. Sixteen Mpoints per channel is standard in advanced mode, and the 128 Mpoints upgrade comes only when the quote names it.
Should I verify phase before comparing the two outputs?
Yes. Verify the synchronization and phase settings your experiment needs.
How do I control it?
Through a 9-inch touchscreen and front-panel controls.
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