2

Chapter 2 Operating Your Frequency Counter

Using the Menu

RS-232 Serial Port Data Rate (BAUD)

The Baud rate for the RS-232 serial port is configurable at 2400, 4800, 9600, 14,400, and 19,200 bps. The default setting is 9600 bps.

Frequency Modulation (FM)

The Counter can measure signals that are modulated in frequency, such as a microwave radio carrier. When FM is set to AUTO (the default setting), the Counter automatically detects FM signals and modifies its measurement algorithm accordingly. Since this increases the time it takes to compute each measurement, you can turn this feature OFF to increase measurement speed, or leave it set to AUTO to increase accuracy when measuring FM signals.

Channel 1 Low-Pass Filter (CH1 LPF)

The Counter has a built-in 50 KHz low-pass filter that can be enabled from the Menu to eliminate measurement distortions that result from noise in low-frequency signals. When the low-pass filter is enabled, signals above 50 KHz cannot be measured on Channel 1.

Recall User Settings (RECALL)

Up to nine sets of settings you make for the Counter’s configurable functions can be saved in non-volatile memory. The RECALL menu option allows you to select and implement any of the sets you have previously saved. The settings in set zero are automatically loaded on power-up. The Save and Recall functions enable faster and easier operation, reduce operator errors, and reduce training requirements.

Save User Settings (SAVE)

The SAVE menu option allows you to save the Counter’s current settings for configurable functions in non-volatile memory for use at a later time. Nine sets of settings can be saved. The Save and Recall functions enable faster and easier operation, reduce operator errors, and reduce training requirements.

Power Correction (PWR CORR)

Used to compensate for losses in the test configuration. See page 2-30.

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Operating Guide

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Agilent Technologies 53150A RS-232 Serial Port Data Rate Baud, Frequency Modulation FM, Channel 1 Low-Pass Filter CH1 LPF
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53151A, 53150A, 53152A specifications

Agilent Technologies, renowned for its cutting-edge electronic measurement equipment, produced a range of high-performance frequency counters, among which the 53150A, 53151A, and 53152A models stand out. These versatile instruments are designed to cater to various measurement applications in telecommunications, aerospace, and research and development.

The Agilent 53150A is a high-performance frequency counter that operates on a wide frequency range, capable of measuring frequencies up to 2.7 GHz. This model features a 10 Hz to 2.7 GHz measurement capability with a time interval resolution of 100 ps, making it ideal for accurately capturing fast signals. Additionally, it offers a built-in statistical analysis feature that enables users to perform precise measurements, minimizing uncertainty in data collection.

Equally impressive, the Agilent 53151A enhances capabilities further by introducing advanced measurement functions. This model supports frequency and time interval measurements up to 3.5 GHz and includes an additional mode for measuring CW frequency and period. The enhanced resolution of 50 ps allows users to capture even finer variations in measured signals. The 53151A also features a user-friendly graphical display, simplifying data visualization and interpretation.

The Agilent 53152A pushes performance to new heights with frequency measurements extending up to 7 GHz. This model incorporates a high-speed external timebase for increased accuracy and uses advanced signal processing technology to ensure reliable measurements, even in noisy environments. One of the standout features of the 53152A is its capability to interface with a variety of devices, enabling remote measurements and integration into automated testing environments.

All three models employ state-of-the-art technology and boast characteristics that enhance their usability. They feature multi-channel capability, allowing simultaneous measurements, which is critical for complex applications. Their robust design and compact form factor make them suitable for both laboratory and field use, ensuring versatility in different working environments.

In summary, Agilent Technologies’ 53150A, 53151A, and 53152A frequency counters combine exceptional measurement accuracy, a wide frequency range, and advanced functionalities tailored for professionals across various scientific and engineering disciplines. Whether measuring signal frequency, time intervals, or conducting statistical analyses, these models are engineered to meet the demanding requirements of today’s high-tech world.
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