2

U8 Family Product Manual, Rev. B

Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.

Drive Specification

ST317221A

ST313021A

 

ST38410A

ST34313A

 

 

 

 

 

 

 

 

 

 

 

 

Guaranteed Mbytes (×106 bytes)

17,245

13,022

 

8,622

4,327

Guaranteed sectors

33,683,328

25,434,228

 

16,841,664

8,452,080

 

 

 

 

 

Bytes per sector

 

512

 

 

 

 

 

 

Default sectors per track

 

63

 

 

 

 

 

 

 

 

Default read/write heads

16

16

 

16

15

 

 

 

 

 

 

Default cylinders

16,383

16,383

 

16,383

8,944

 

 

 

 

 

 

Physical read/write heads

4

3

 

2

1

 

 

 

 

 

 

Discs

2

2

 

1

1

 

 

 

 

 

 

Recording density

 

 

 

 

 

BPI (bits/inch max)

 

349,374

 

 

 

 

 

 

 

Track density

 

 

 

 

 

TPI (tracks/inch)

 

18,700

 

 

 

 

 

 

 

Areal density

 

 

 

 

 

(Mbits/inch2 max)

 

6,536

 

Spindle speed (RPM)

 

5,400

 

 

 

 

 

 

 

Internal data-transfer rate (Mbits/

 

 

 

 

 

sec max)

 

285.5

 

 

 

 

 

 

 

I/O data-transfer rate (Mbytes/

 

 

 

 

 

sec max)

 

66.6

 

 

 

 

 

ATA data-transfer modes

 

PIO modes 0–4

 

supported

 

Multiword DMA modes 0–2

 

 

 

Ultra DMA modes 0–4

 

 

 

 

 

Cache buffer (Kbytes)

 

512

 

 

256-Kbyte cache is optional for the ST34313A

 

 

 

 

Height (mm max)

 

26.1

 

 

 

 

 

Width (mm max)

 

102

 

 

 

 

 

Length (mm max)

 

147.0

 

 

 

 

 

Weight (typical)

 

590 grams (1.3 lb)

 

 

 

 

 

 

 

Track-to-track seek time

 

 

 

 

 

(msec typical)

 

1.5 (read) 2.1 (write)

 

 

 

 

 

Average seek time (msec typical)

 

8.9

 

 

 

 

 

 

 

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HP 6642D (US), 6671 (LA) manual Specification summary table, Drive Specification, ST317221A, ST313021A, ST38410A, ST34313A

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.