Duplexer Tuning Guide (Easy Guide of how to tune various duplexers VHF UHF)

Description

Duplexer Tuning Guide (Easy Guide of how to tune various types of duplexers)
This Guide is a great reference for the Two-Way technician in a shop or the Ham tech at home. Written for the "layman" and using bare minimum equipment that the home tech should have on their bench!
Check out the
Desense Test
using a signal generator and your handheld with signal strength meter!
Critical Cable cutting length instructions
including Common factor deductions such as connectors and type of cable!
Diagrams to help connecting equipment!
Nice book binding for ease of use! Note: Cover may be a different color...
Quick Start Guide
Do you need to determine if duplexer needs tuning
Do you know the type of duplexer you have
Chapter One:  Cavities - The Basis for a Duplexer
Chapter Two:  Why a Duplexer
Chapter Three:  How To Tune a Duplexer
Appendix "A":  Duplexer Tuning Worksheet
Appendix " B": Critical Cable Cutting Instructions for Duplexers
Appendix "C":  Desense Test
Included:
- Duplexer Tuning Guide
This is a great reference guide for a volunteer fireperson, sheriff posse officer, ham operator,
EMS
or Rescue personnel…
Note: Although we tested the unit, we do not guarantee the test under any circumstances. We sell the equipment "as is".
We highly recommend buying shipping insurance-we always offer it and cannot be responsible if the item gets lost or damaged in the mail. Shipping is for
U.S.A.
Payment must be made within 3 days of winning bid, unless other arrangements are made. Otherwise we have the right to cancel! Thanks!!!
As with all electronics, items are being sold, AS IS, no return accepted. Equipment sold "as is". No warranties with this equipment express or implied. If a battery is included, we cannot guarantee battery life, especially on a used battery. What you see in the picture is what you win. Please remember; contact me with any questions or comments you have prior to bidding. We cannot guarantee against a buyer's remorse if it is not the item you thought you wanted. Please do your homework before you bid.
I look forward to returning feedbacks too!!!
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7998-1 Adjustable RF Sampler Features:
This Sale is for Quantity 1 of the 7998-1 RF Sampler
Other QC Connectors available in our eBay store
Wide Frequency Range of Operation 20-1000 MHz MHz
Power rating up to 1KW
Nominal 18 dB range which is 40 to 68 dB below the main line signal.
Low VSWR and Insertion Loss
Quick Match Connectors (Compatible with Bird Model 43 QC Connectors)
Two Year Limited Warranty
100% Compatible with Bird 43 Wattmeters
Model 7998-1 N(M)-N(F) (RF tap is BNC(F))
Now, you can extract a low signal level from a 50-Ohm coaxial system with the Model 7998 and 7999 series of Adjustable Signal Samplers from Coaxial Dynamics. These Signal Samplers are essential tools for spectrum analysis, RF signal scope observation, or frequency counting control. The adjustable signal samplers exhibit a very low VSWR throughout their wide frequency and coupling range. Our user-oriented design features an easy access knob which enables fine adjustments of the coupling magnitude. Once the desired level is reached, the setting can be locked.
For high frequency RF sampling, select the Model 7998 series for RF signals between 20 and 1000 MHz and up to 1000 watts. The RF sample is adjustable over a nominal 18 dB range which is 40 to 68 dB below the main line signal.
Your confidence in the quality and dependability of the 7998/7999 Series Adjustable Signal Samplers is assured with the Coaxial Dynamics Two Year Limited Warranty.
Martin RF Supply offers the World's best inventory for new & used RF wattmeters,  plug-in elements and accessories. All of our used RF products carry a 100% satisfaction guarantee and a 90 day warranty. New products have a 1-2 year warranty.
We offer new and used wattmeter elements for all frequencies and power levels starting as low as for most UHF and VHF elements.
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Martin RF Supply
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