Agilent Technologies 8495 Operating And Service Manual

Agilent Technologies 8495 Operating And Service Manual

Attenuators
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Agilent 8494/95/96G/H
Attenuators
Operating and Service
Manual
Agilent Technologies

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Summary of Contents for Agilent Technologies 8495

  • Page 1 Agilent 8494/95/96G/H Attenuators Operating and Service Manual Agilent Technologies...
  • Page 2: Restricted Rights Legend

    Phase 3 Bayan Lepas Free Industrial Zone information contained herein. Should Bayan Lepas, Penang 11900 Malaysia Agilent and the user have a separate written agreement with warranty WA R N I N G terms covering the material in this...
  • Page 3 Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology (NIST, formerly NBS), to the extend allowed by the Institute’s calibration facility, and to the calibration facilities of the...
  • Page 4 This symbol indicates the time period during which no hazardous or toxic substance elements are expected to leak or deteriorate during normal use. Forty years is the expected useful life of the product. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 5 Contacting Agilent For more information, please contact your nearest Agilent office. Americas Canada (877) 894-4414 Latin America 305 269 7500 United States (800) 829-4444 Asia Pacific Australia 1 800 629 485 China 800 810 0189 Hong Kong 800 938 693...
  • Page 6 This page is intentionally left blank. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 7: Table Of Contents

    Solenoid Cable Connector Operating Life Switching Speed Environmental Specifications & Physical Dimensions Environmental Specifications Physical Dimensions Operating Guides Installation Initial Inspection Mating Connectors Installation Instructions Operating Instructions Operator’s Check Performance Tests Service Instructions Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 8 This page is intentionally left blank. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 9: Introduction

    Attenuation Repeatability RF Power Handling Capability Solenoid Drive Solenoid Cable Connector Operating Life Switching Speed This manual contains operating instructions for the Agilent 8494/95/96G/H Attenuators. Included in the manual is information required to install and test these attenuators. Agilent Technologies...
  • Page 10: Product Overview

    8495H. solenoid driver circuits +24 VDC Thru line Thru line Thru line Thru line RF input output Attenuator card Attenuator card Attenuator card Attenuator card Figure 1 Typical Four-Section Attenuator Schematic Diagram Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 11 (dB) 1 dB 2 dB 4 dB 4 dB × × × × × × × × × × × × × × × × × × × × × × × × Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 12 (dB) 10 dB 20 dB 40 dB 40 dB × × × × × × × × × × × × × × × × × × × × × × × × Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 13 Solenoid drive pin +24 Vdc Typical Solenoid Relay or Switch Driver (3 or 4 required) Figure 2 Typical Solenoid Coil Driver Circuits [1] For serial number prefixes below 1722A, change 125 mA to 110 mA. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 14: Instrument Options

    5 V operation instead of standard 24 V 14-pin dip plug, 16-inch DC ribbon cable Viking to bare wire cable [1] Option 003 is not available on the 8495G. [2] Option 024 and 060 are default options unless specified otherwise. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 15: Specifications

    0 dB to 70 dB in 10 dB steps 8496G dc to 4 GHz 0 dB to 110 dB in 10 dB steps 8496H dc to 18 GHz 0 dB to 110 dB in 10 dB steps Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 16: Attenuation Accuracy

    8494G/H 8495G/H 8494G 8494H 8495G 8495H 8496G 8496H 8496G/H Attenuation dc–4 dc–12.4 12.4–18 dc–4 dc–12.4 12.4–18 dc–4 dc–12.4 12.4–18 Selection (dB) – – – – – – – – – – – – Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 17: Maximum Swr

    Maximum Residual Attenuation 8494G, 0.6 dB + 0.09 dB/GHz 8494H 8495G, 0.4 dB + 0.07 dB/GHz 8495H 8496G, 0.6 dB + 0.09 dB/GHz 8496H Attenuation Repeatability ±0.03 dB max (5 million cycles per section). Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 18: Rf Power Handling Capability

    Nominal Coil Impedance 190 Ω Option 024 24 V (20 to 30 V) 125 mA (at 24 V) 17 Ω Option 011 5 V (4.5 to 7 V) 325 mA (at 5 V) Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 19: Solenoid Cable Connector

    [3] Pin 6 is common for all coils. Pins 1, 7, 8, 12, and 14 are not used. (14) Jack, front view Plug, front view Option 060 Plug, bottom view Option 016 Figure 3 Solenoid Cable Pin Configuration Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 20: Operating Life

    Introduction Operating Life 5 million cycles per section. Switching Speed Maximum 20 milliseconds including settling time. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 21: Environmental Specifications & Physical Dimensions

    Operating and Service Manual Environmental Specifications & Physical Dimensions Environmental Specifications Physical Dimensions This chapter contains the environmental tests on the Agilent 8494/95/96G/H Attenuators that fully comply with Agilent Technologies’ product operating environmental specifications. The physical dimensions are illustrated in the later section.
  • Page 22: Environmental Specifications

    Environmental Specifications & Physical Dimensions Environmental Specifications The Agilent 8494/95/96G/H Attenuators are designed to fully comply with Agilent Technologies’ product operating environmental specifications as shown in Table Table 11 Environmental Specifications Temperature: • Operating 0 °C to +55 °C •...
  • Page 23: Physical Dimensions

    Environmental Specifications & Physical Dimensions Physical Dimensions Table 12 shows the physical dimensions of the Agilent 8494/95/96G/H Attenuators. Table 12 Physical Dimensions Instrument Dimensions Weight 8494G/H Figure 4 16 oz 8496G/H 454 g 8495G/H Figure 4 12 oz 340 g [1] Dimensions are for general information only.
  • Page 24 Environmental Specifications & Physical Dimensions Figure 4 Dimensions of Agilent 8494/95/96G/H Attenuators Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 25: Operating Guides

    Operating Instructions Operator’s Check Performance Tests Service Instructions This chapter describes the installation of the Agilent 8494/95/96G/H Attenuators. The operating instruction quick- check procedure is included for verification test prior to usage. Service instructions on the repair and maintenance of the Agilent 8494/95/96G/H Attenuators are also included in this chapter.
  • Page 26: Installation

    Agilent Technologies Sales and Service office. Refer to the Service and Support information in the front matter of this manual. Agilent Technologies will arrange for repair or replacement of the damaged or defective equipment. Keep the shipping materials for the carrier's inspection.
  • Page 27: Mating Connectors

    The plug is removed by grasping the ribbed sides of the plug and squeezing them together while pulling back until the plug clears the jack. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 28: Operating Instructions

    The SWR meter used in this check is calibrated for a square-law detector. N O T E Therefore, the range changes and errors (read in dB) are twice that indicated by the meter. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 29 Fine- tune the oscillator frequency to obtain maximum meter indication. 4 Set attenuator and SWR meter range switch as listed in Table 13 and verify that the SWR meter indicates within the limits shown. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 30 0.30 0.75 – – 0.70 2.25 – 0.80 –0.30 – – 1.20 1.30 – 1.75 0.60 – – 1.75 2.40 [1] Adjust range by 2 dB, if needed, to obtain an on-scale indication. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...
  • Page 31: Performance Tests

    Operating Guides Performance Tests The Agilent 8494/95/96G/H Attenuators can be tested to the accuracy of the specifications with a network analyzer or equivalent equipment of suitable accuracy. If a network analyzer is available, test instrument using the procedure in the analyzer's operating manual.
  • Page 32 Operating Guides This page is intentionally left blank. Agilent 8494/95/96G/H Attenuators Operating and Service Manual...

This manual is also suitable for:

84948496g8496h

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