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Aeroflex 1205 User Manual

Rf probe 20 db
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1205
RF Probe 20 dB
User's Guide
Version 1.10

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Summary of Contents for Aeroflex 1205

  • Page 1 1205 RF Probe 20 dB User‘s Guide Version 1.10...
  • Page 3 All trademarks and registered trademarks are the property of their respective companies. Ordering This guide is issued as part of the 1205 RF Probe 20 dB. The information ordering number for a published guide is AG 292 011. The ordering number for the product is AG 248 640.
  • Page 4 1205 RF Probe 20 dB Version 1.10...

  • Page 5: Table Of Contents

    1205 RF Probe Overview About the 1205 RF Probe ......2 Features and capabilities ......2 Design .
  • Page 6 Measuring signals partly covered by RF shields ... . 13 Verifying the performance of the 1205 RF Probe on an open source ..........14...

  • Page 7: About This Guide

    About This Guide This section contains the following basic information: – “Purpose and scope” on page vi – “Assumptions” on page vi – “Technical assistance” on page vii – “Conventions” on page vii 1205 RF Probe 20 dB Version 1.10...

  • Page 8: Purpose And Scope

    About This Guide Purpose and scope Purpose and scope The purpose of this guide is to help you successfully use the 1205 RF Probe features and capabilities. This guide includes task-based instructions that describe how to use the 1205 RF Probe. Addi- tionally, this guide provides a description of Aeroflex’s warranty,...

  • Page 9: Technical Assistance

    Technical assistance Technical assistance If you need assistance or have questions related to the use of this product call Aeroflex’s technical support. You can also contact Aeroflex by e-mail at support-muc@aeroflex.com. Conventions This guide uses naming conventions and symbols, as described in the following tables.
  • Page 10 Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. viii 1205 RF Probe 20 dB Version 1.10...

  • Page 11: Safety Notes

    Safety Notes This chapter provides the safety notes for the 1205 RF Probe, including the Declaration of Conformity with Eruopean standards. Topics discussed in this chapter include the following: – “Safety warnings” on page x – “Declaration of EU Conformity” on page xi 1205 RF Probe 20 dB Version 1.10...

  • Page 12: Safety Warnings

    Beware of high voltages To reduce the risk of electric shock, avoid personal contact to the grounding barrel or ground clip of the 1205 RF Probe if the unit being tested has power supply voltages of 40 V or higher.

  • Page 13: Declaration Of Eu Conformity

    Safety Notes Declaration of EU Conformity Declaration of EU Conformity The 1205 RF Probe 20 dB is an OEM product sold by Auburn Technology Corporation, USA as Model P20A 3 GHz RF Probe. Auburn Technology Corporation Model P-20A 3 GHz RF Probe...
  • Page 14 Safety Notes Declaration of EU Conformity 1205 RF Probe 20 dB Version 1.10...

  • Page 15: 1205 Rf Probe Overview

    1205 RF Probe Chapter 1 Overview This chapter provides a general description of the 1205 RF Probe 20 dB. Topics discussed in this chapter include the following: – “About the 1205 RF Probe” on page 2 – “Features and capabilities” on page 2 –...

  • Page 16: About The 1205 Rf Probe

    Chapter 1 1205 RF Probe Overview About the 1205 RF Probe About the 1205 RF Probe The 1205 RF Probe is a passive 10:1 RF voltage probe with a 50 V block built in. It has been designed to allow users of RF test equipment to use standard signal tracing techniques.

  • Page 17: Design

    Design A frequency compensated 450  resistive element is utilized in the probe’s design to reduce circuit loading and to give the 1205 a 10:1 voltage ratio when connected to a 50  instrument and probing a 50  source. Special construction techniques of the 1205 produce less than 1 pF of stray capacitance to minimize the capacitive loading effects on RF circuits.

  • Page 18: Options

    Chapter 1 1205 RF Probe Overview Options Options If you are using the 1205 with an instrument with an N-type connector, Aeroflex recommends the following accessory; this adapter is in the scope of supply for the RF probe: Adapter N (male) to BNC (female),...
  • Page 19 Chapter 1 1205 RF Probe Overview Specifications Figure 2 Typical frequency response with direct barrel grounding Figure 3 Typical frequency response with short pin ground clip Figure 4 Typical frequency response with flexible ground clip 1205 RF Probe 20 dB...
  • Page 20 Chapter 1 1205 RF Probe Overview Specifications 1205 RF Probe 20 dB Version 1.10...

  • Page 21: Operation

    “Inserting an RF signal to a circuit” on page 13 – “Measuring signals partly covered by RF shields” on page 13 – “Verifying the performance of the 1205 RF Probe on an open source” on page 14 1205 RF Probe 20 dB Version 1.10...

  • Page 22: Connecting The 1205 Rf Probe

    – Frequencies from 1 to 2 GHz require direct grounding of the 1205’s grounding barrel or the use of the short pin ground clip. – Frequencies above 2 GHz require direct grounding of the 1205’s grounding barrel.
  • Page 23 Chapter 2 Operation Grounding the 1205 RF Probe Figure 5 Short ground connection Figure 6 Flexible ground connection Ground clips can be changed by grasping the ring portion of the clip and twisting it, while pulling to remove or pushing to assemble.
  • Page 24 Verification of a low inductance RF ground can be accomplished by slightly changing the 1205 ground contact position while observing that there are no significant changes in readings. 1205 RF Probe 20 dB...

  • Page 25: Measuring Rf Power

    +30 dBm (1.0 W) continuously or +44 dBm (25 W) for one second. The 1205 when used with a spectrum analyzer or RF power meter can effectively make in-circuit RF power measurements without the need for complex calculations. Add +20 dB to the instrument’s reading if in dBm or multiply by 100 if using watts to...

  • Page 26: Measuring Rf Voltage

    –1.8 –3 –6 Measuring RF voltage With the 1205, RF voltage measurements from 100 kHz to 3 GHz can be made at up to 7 V continuously. The 1205 produces a 10:1 voltage ratio when used with instru- ments, such as RF volt meters and RF detectors while probing a 50 ...

  • Page 27: Inserting An Rf Signal To A Circuit

    The insertion loss will change depending on the impedance of the circuit being injected. 1 Connect the BNC connector of the 1205 RF Probe 20 dB to the signal generator. Use the N to BNC adapter if the signal generator is equipped with an N-type connector.

  • Page 28: Source

    5.2 dB increase in the generator’s output voltage. Measurements of a 50  RF output terminated only with the 1205 will appear to have a +5.2 dB increase in power. This is due to the light loading characteristics of the 1205 probe, resulting in a measured insertion loss of 14.8 dB instead of the normal 20 dB.

  • Page 29: Appendix A Warranty And Repair

    Warranty and Repair Appendix A This chapter describes the customer services available through Aeroflex. Topics discussed in this chapter include the following: – “Warranty information” on page 16 – “Equipment return instructions” on page 17 1205 RF Probe 20 dB...

  • Page 30: Warranty Information

    (except batteries) which in Aeroflex’s sole opinion proves to be defective within the scope of the warranty. In the event Aeroflex is not able to modify, repair or replace nonconforming defective parts or components to a condition as warranted within a reasonable time after receipt thereof, the buyer shall receive credit in the amount of the original invoiced price of the product.

  • Page 31: Equipment Return Instructions

    Aeroflex on request. If the original container is not available, the unit should be carefully packed so that it will not be damaged in transit. Aeroflex is not liable for any damage that may occur during shipping. The customer should clearly mark the Aeroflex-issued RA or reference number on the outside of the package and ship it prepaid and insured to Aeroflex.
  • Page 32 Appendix A Warranty and Repair Equipment return instructions 1205 RF Probe 20 dB Version 1.10...

  • Page 33: Appendix B End-User License Agreement

    End-User License Appendix B Agreement This appendix describes the conditions for using the software. 1205 RF Probe 20 dB Version 1.10...
  • Page 34 Aeroflex shall not be held liable for any damages suffered or incurred by you or any other third party (including, but not limited to, general, special, consequential or incidental damages...
  • Page 35 Minor changes (more detailed description of delivery). 1102-110-A New layout. Aeroflex and its logo are trademarks of Aeroflex Incorporated. All other trademarks and registered trademarks are the property of their respective owners. Specifications, terms and conditions are subject to change without notice.
  • Page 36 Manual ident: AG 292 011 Manual version: 1102-110-A...

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