NOTE

Appendix C Using the Battery Option

Operating the Counter from a DC Power Source

When all three segments of the battery annunciator are activated, the battery charge level is at 83% or more. When only two segments are activated, the charge level is approximately 50%, and when only the first segment is activated, the charge level is approximately 17%.

A pair of fully charged batteries in good condition provides enough power to operate the Counter for approximately three hours at 25º C. Various conditions, such as ambient temperature and the measurement configuration, can affect the length of time the Counter can operate from a fully charged set of batteries.

A battery that reads approximately 13.6 VDC when measured with a voltmeter (or the Battery Voltage reading in the menu display) is fully charged. A battery that reads 11 VDC or less is at or near the minimum effective charge level.

Operating the Counter with the display backlight turned off lengthens the time the Counter can operate from the batteries. When operating from battery power, the Counter automatically turns the backlight off after five minutes if no front-panel keys are pushed, no GPIB commands are received, and/or no signal is applied to either input during that period.

Operating the Counter from a

DC Power Source

Counters that have the Battery option can operate from an external DC power source (with or without batteries in the Counter). The external DC power source must supply +11 to +18 VDC at 2.0 A (min.). It must use a

2.1mm coaxial plug, and its DC output plug must be wired so the inner connector is positive and the outer connector is negative. To use an external DC power source, make sure the Main ~ Power switch on the back panel is set to 1 (on), insert the coaxial plug into the EXT DC socket on the back panel as shown in Figure C-2, and turn the Counter on in the normal manner.

C

Operating Guide

C-3

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Agilent Technologies 53150A, 53152A, 53151A manual Operating the Counter from a DC Power Source
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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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