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U8 Family Product Manual, Rev. B

1.3 Recording and interface technology

Interface

Recording method

Recording density BPI (bits/inch)

Track density TPI (tracks/inch)

Areal density (Mbits/inch2 max)

Spindle speed (RPM) (± 0.2%)

Internal data-transfer rate (Mbits/sec max)

I/O data-transfer rate (Mbytes/sec max)

Interleave

Cache buffer (Kbytes)

ATA

24/26 EPRML

349,374

18,700

6,536

5,400

285.5

16.6 (PIO mode 4)

66.6(Ultra DMA mode 4)

1:1

512

256 (ST34313A)

1.4 Physical characteristics

Drive Specification

 

ST31722A, ST313021A

 

 

ST38410A, ST34313A

 

 

 

 

 

 

Maximum height

(mm)

26.1

 

(inches)

1.028

 

 

 

Maximum width

(mm)

101.8

 

(inches)

4.020

 

 

 

Maximum length

(mm)

147.0

 

(inches)

5.78

 

 

 

Typical weight

(grams)

590

 

(pounds)

1.3

 

 

 

1.5 Seek time

Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The spec- ifications in the table below are defined as follows:

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HP 6573Z (US), 6671 (LA) manual Recording and interface technology, Physical characteristics, Seek time, Drive Specification

6573Z (US) specifications

The HP 8566C, 6573Z, 6647, 6671, and 6641 are examples of cutting-edge test equipment from Hewlett-Packard, now known as Agilent Technologies. Each of these models serves essential functions within the realm of RF and microwave signal analysis, tailored to meet the demands of engineers and technicians in various industries, including telecommunications, aerospace, and electronics.

The HP 8566C is a signal analyzer that provides comprehensive analysis, particularly useful for multi-channel and high-frequency signals. A notable feature of this model is its frequency range, which spans from 0.1 Hz to 26.5 GHz, making it suitable for a wide variety of applications. The instrument's advanced capabilities such as phase noise measurement, frequency response analysis, and spectrogram displays cater to precise and complex signal characterizations. The built-in tracking generator further enhances its utility, enabling users to test filters, amplifiers, and antenna systems efficiently.

On the other hand, the HP 6573Z is a precision DC power supply that is critical for testing and characterizing devices under various power conditions. It delivers high accuracy and stable output across a wide range of voltage and current options. This model integrates features like programmable voltage and current limits, allowing for customized test scenarios, essential for designers needing reliable power sources during the prototyping phase.

The HP 6647 and 6671 models are versatile electronic loads, primarily designed for battery testing and power supply validation. They support various testing modes, including constant current, constant voltage, and constant resistance modes, which provide flexibility for power electronics engineers. Their robust measurement capabilities allow for detailed analysis of response characteristics, load transients, and efficiency metrics.

Lastly, the HP 6641 complements this lineup by offering high-performance test equipment with similar applications in power electronics. It features intuitive interfaces and advanced programming capabilities, enabling streamlined automation of test procedures.

In conclusion, the HP 8566C, 6573Z, 6647, 6671, and 6641 collectively embody sophisticated testing capabilities in signal analysis and power electronics. Their features, ranging from high-frequency performance to accuracy in power delivery, make them indispensable in the modern technological landscape. These instruments support continuous innovation while ensuring the reliability of devices that are critical to both consumer and industrial sectors.