Hewlett packard waveform generator 33120a: features, sync output modes, and polarity

The Hewlett Packard Waveform Generator 33120A is a versatile and powerful instrument that is used in a wide range of applications. Whether you are working in a laboratory, research facility, or production environment, this waveform generator offers the features and performance you need to generate complex waveforms with precision and accuracy.

What is a Waveform Generator?

A waveform generator is an electronic test equipment that is used to generate electrical waveforms. These waveforms can be simple, such as sine, square, or triangle waves, or they can be more complex, such as arbitrary waveforms or modulation signals. The waveform generator allows users to control various parameters of the waveform, such as frequency, amplitude, and waveform shape, to meet their specific testing requirements.

Features of the Hewlett Packard Waveform Generator 33120A

The Hewlett Packard Waveform Generator 33120A offers a wide range of features that make it a valuable tool for engineers and technicians. Some of the key features include:

• Frequency Range: The 33120A can generate waveforms with frequencies ranging from 1 µHz to 15 MHz. This wide frequency range allows for a variety of applications, from audio testing to RF signal generation.
• Waveform Types: The waveform generator supports various waveform types, including sine, square, triangle, ramp, and arbitrary waveforms. This flexibility allows users to generate waveforms that closely mimic real-world signals.
• Amplitude Control: The 33120A offers precise control over the amplitude of the generated waveform. Users can adjust the amplitude in terms of voltage or dBm, allowing for accurate signal generation.
• Modulation Capabilities: The waveform generator supports amplitude and frequency modulation, allowing users to create modulated signals for testing purposes.
• External Triggering: The 33120A can be triggered externally, allowing for synchronization with other instruments or systems.
• Easy-to-Use Interface: The waveform generator features a user-friendly interface with a large display and intuitive controls, making it easy to set up and operate.

Sync Output Signal

The Hewlett Packard Waveform Generator 33120A provides a Sync Output signal on the front-panel Sync output connector. This Sync signal is associated with all standard output functions, except dc and noise. It can be enabled or disabled, depending on the application requirements.

By default, the Sync signal is routed to the Sync connector and is enabled. When the Sync signal is disabled, the output level on the Sync connector is at a logic low level. For certain applications where you may not want to output the Sync signal, disabling it can be useful.

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The Sync signal is a square wave that is high in the first half of the cycle and low in the last half for sine, pulse, ramp, square, and triangle waves. For arbitrary waveforms, the Sync signal rises at the beginning of the waveform and falls at the middle of the arbitrary waveform.

The voltages of the Sync signal are TTL-compatible when its load impedance exceeds 1 kΩ. This makes it compatible with a wide range of devices and systems.

Sync Output Mode

The Hewlett Packard Waveform Generator 33120A offers different Sync Output modes to suit different applications. The available Sync Output modes may vary depending on the instrument model. Some of the common Sync Output modes include:

• Continuous: In continuous mode, the Sync signal is continuously generated along with the output waveform. This mode is suitable for applications where a continuous Sync signal is required.
• Burst: In burst mode, the Sync signal is generated in bursts. Users can specify the number of cycles in each burst and the number of bursts. Burst mode is useful for applications that require periodic Sync signals.
• Single: In single mode, the Sync signal is generated only once when the waveform generator is triggered. This mode is suitable for applications where a single Sync signal is required.

Sync Output Polarity

The Sync Output polarity refers to the logic levels of the Sync signal. The Hewlett Packard Waveform Generator 33120A allows users to control the Sync Output polarity to suit their specific requirements. The available Sync Output polarities may vary depending on the instrument model. Some of the common Sync Output polarities include:

• Normal: In normal polarity, the Sync signal is high in the first half of the cycle and low in the last half for sine, pulse, ramp, square, and triangle waves. For arbitrary waveforms, the Sync signal rises at the beginning of the waveform and falls at the middle.
• Inverted: In inverted polarity, the Sync signal is inverted compared to normal polarity. This means that the Sync signal is low in the first half of the cycle and high in the last half for sine, pulse, ramp, square, and triangle waves.

Sync Output Source

The Sync Output source refers to the waveform that is associated with the Sync signal. The Hewlett Packard Waveform Generator 33120A allows users to select the Sync Output source based on their requirements. The available Sync Output sources may vary depending on the instrument model. Some of the common Sync Output sources include:

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• Sine Wave: The Sync signal is associated with a sine wave.
• Square Wave: The Sync signal is associated with a square wave.
• Triangle Wave: The Sync signal is associated with a triangle wave.
• Ramp Wave: The Sync signal is associated with a ramp wave.
• Arbitrary Waveform: The Sync signal is associated with an arbitrary waveform.

The Hewlett Packard Waveform Generator 33120A is a powerful and versatile instrument that offers a wide range of features for generating complex waveforms. Whether you are working in a laboratory, research facility, or production environment, this waveform generator can meet your testing needs with precision and accuracy. With its user-friendly interface and advanced functionality, the 33120A is a reliable choice for engineers and technicians in various industries.

Q: Can I disable the Sync signal on the Hewlett Packard Waveform Generator 33120A?

A: Yes, the Sync signal on the 33120A can be disabled. By disabling the Sync signal, the output level on the Sync connector will be at a logic low level.

Q: What are the available Sync Output modes on the Hewlett Packard Waveform Generator 33120A?

A: The available Sync Output modes may vary depending on the instrument model. Some of the common Sync Output modes include continuous, burst, and single modes.

Q: Can I control the Sync Output polarity on the Hewlett Packard Waveform Generator 33120A?

A: Yes, the 33120A allows users to control the Sync Output polarity. The available Sync Output polarities may vary depending on the instrument model, but common options include normal and inverted polarities.

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Q: What are the available Sync Output sources on the Hewlett Packard Waveform Generator 33120A?

A: The available Sync Output sources may vary depending on the instrument model. Some of the common Sync Output sources include sine wave, square wave, triangle wave, ramp wave, and arbitrary waveform.