Adjusts the multiplier and base frequency output.
The Protek B801 balances high utility with straightforward operation. Review the core operational specifications below:
The Protek B801 is engineered to deliver highly accurate data under demanding benchtop conditions. Understanding these baseline specifications prevents accidental over-voltage conditions and equipment damage. Feature / Parameter Specification Details 10 Megaohms (MΩ) standard for minimized circuit loading Safety Rating CAT II 600V / CAT III 300V Overvoltage Protection Display Type High-contrast backlit LCD with analog bar graph Power Source Dual-mode: 9V Alkaline battery or 12V DC external adapter Sampling Rate
The official GSI-Protek site includes support for various digital oscilloscopes, function generators, and handheld multimeters. Overview of the Protek B801 Features
Acquisition of Operational Manual for Protek B801 Test Equipment Date: October 26, 2023 Status: Informational protek b801 manual link
Press the respective button for Sine, Square, or Triangle.
Before setting up your bench equipment, review the core capabilities of the Protek B801
Connect an external variable DC power source to the BNC port. Apply a negative voltage between 0V and -10V.
Elias reached for the B801’s manual, the pages yellowed and brittle. He flipped to the section on Voltage Controlled Frequency Adjusts the multiplier and base frequency output
Verify the voltage selector on the rear panel matches your local grid. Plug in the unit using a standard grounded power cord.
Protek B801 is a reliable, entry-level 2MHz Sweep Function Generator, frequently favored for educational labs and general electronic testing.
When working with legacy test equipment, finding official documentation can be a challenge. You can review and download the exact technical literature via the following vetted repositories:
: If your sine or triangle peaks appear flat, check the DC Offset control. A high DC offset paired with a high AC amplitude can push the internal output amplifiers into saturation rails (+/- 10V). Center the DC offset knob to resolve this. Before setting up your bench equipment, review the
: Located on the panel, this accepts an external analog input voltage (typically 0V to -10V) to change the output frequency externally. This feature enables automated frequency sweeping or remote modulation profiles.
Before plugging in the power cord, verify the rear-panel line voltage selector matches your local mains environment (110V/220V AC). Ensure the internal fuse is a fast-blow variant rated properly (typically AC 250V, 0.5A). Avoid applying external voltages back into the output BNC connector to prevent destroying the output amplifier stage. Step 2: Thermal Stabilization
Pull out or rotate to introduce a steady-state DC voltage shift to the alternating waveform.
you need to generate (e.g., sine waves for audio or square waves for digital circuits)?
Push the knob back in to disable the offset instantly and return to a zero-centered AC waveform. 4. Using the Voltage Controlled Frequency (VCF) Function To sweep frequencies automatically using external hardware:
This is the most crucial part of the article. If you are dealing with a , you must prioritize safety. Working with lead-acid batteries involves hazardous voltages, corrosive acids, and the risk of explosion from hydrogen gas.