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Manual Ramsey Electronics LPY915

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  • Ramsey Electronics LPY915 - page 1

    LPY 2 • 1 THE ‘ LOGI’ LOG PERIODIC ANTENNA Ramsey Electronics Model No. LPY915 Constructed on rugged FR -4 material, it requires no tuning an d has no fragile antenna elements to break or twist! Covers the entire 900 to over 2,500 MH z frequency range. Why settle for any old antenna… th is little baby “compresses” the signal into a powe ...

  • Ramsey Electronics LPY915 - page 2

    LPY 2 • 2 RA M SEY T RA N SMIT T ER KIT S • FM100B Professional FM Stereo Transmi tter • FM25B S yn thesiz ed Stereo FM Transmitter • MR6 Model Rocket Track ing Transmitter • TV6 Television Tra nsmitter RAMSE Y RECEI VER KITS • FR1 FM Broa dcast Receiver • AR1 A ircraft Band Recei ver • SR2 Shortwa v e Receiver • SC1 Shortwav e Co ...

  • Ramsey Electronics LPY915 - page 3

    LPY 2 • 3 Ramsey Publica tion No. MLPY91 5 Price $5.00 TABLE OF CONTENTS Introduction ... .............................. 4 Antenna Descrip tion ................... 4 Standard Hook-up ...................... 5 Low Frequency Modification ....... 7 Buildi ng a C orner Re f lecto r ......... 7 Buildi ng a R eflec tor Gri d ............. 9 LPY 915 Retu ...

  • Ramsey Electronics LPY915 - page 4

    LPY 2 • 4 INTR ODU CTI ON This small log periodic antenna, which we call the ‘ Logi’, is ideal for getting the maximum performance out of any UHF to lo w frequency microwave wireless system. Its directional pr operties “com pres ses” the signal into a powerful beam that is 4 times more powerful in the desired direction. It is the ideal an ...

  • Ramsey Electronics LPY915 - page 5

    LPY 2 • 5 STANDARD HOOK-UP Normal applications are well suited by the default performance of the unit without the need for cumbersome reflective elements. The standard w iring configuration is simply to use the Logi as the co mplete antenna and merely add a means of connection for your radio. T he easiest method to inter f ace your antenna and ra ...

  • Ramsey Electronics LPY915 - page 6

    LPY 2 • 6  7. From the bottom side, slide the cent er cond uctor of the coax through the open via at the front of the circuit board.  8. Gently bend the remaining cabl e to mount flush along the tinned center ground strip.  9. Look closely at the ground conductor and make sure there are no stray braid wires hanging around. They can short ...

  • Ramsey Electronics LPY915 - page 7

    LPY 2 • 7 high frequency end. BUILDING A CORNER REFLEC TOR Corner reflector ante nnas have long be en used by the Military and Radio Amateurs for high forward gain applications like field data links. Using a prop erly sized 90 ° angle corn er refl ector will typically give you a 10 dB gain or higher over that of a stand alone dipo le antenna. T ...

  • Ramsey Electronics LPY915 - page 8

    LPY 2 • 8 parallel with th e seam, the antenna will not function properl y . The boom length that positions the Logi at th e f ocal point of the reflector is also critical factor. This will require a bit of trial a nd error to get things just right. Use a piece of PVC pipe (1/2” to 7/ 8” will work well) with a slot cut in the end just big eno ...

  • Ramsey Electronics LPY915 - page 9

    LPY 2 • 9 experimented with the I SM19R and ISM24R and found th at the y w ork wonderfully with the Logi! Look at the how the B oss used a piece of PVC and a f ew couplers to f orm a boom. He cu t a slot in one end of the PVC pip e to hold the Logi antenna in place. Then he used a nylon wire tie at the end of the boom to squeeze the slotted pipe ...

  • Ramsey Electronics LPY915 - page 10

    LPY 2 • 10 LPY915 RETURN LOSS PLOT Return Lo ss (dB) VSWR Return Loss (dB) VSWR Return Loss (dB) VSWR 1.0 17.391 11.0 1.785 21.0 1.196 2.0 8.724 12.0 1.671 22.0 1.173 3.0 5.848 13.0 1.577 23.0 1.152 4.0 4.419 14.0 1.499 24.0 1.135 5.0 3.570 15.0 1.433 25.0 1.119 6.0 3.010 16.0 1.377 30.0 1.065 7.0 2.615 17.0 1.329 35.0 1.036 8.0 2.323 18.0 1.288 ...

  • Ramsey Electronics LPY915 - page 11

    LPY 2 • 11 The Ramsey Kit Warra nty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved wit hout contacting the factory. Notice that this is not a "f ine print" warranty. W e want you to understand your rights and ours too! All Ramsey kits will work if assembled properly. T he very fact that yo ...

  • Ramsey Electronics LPY915 - page 12

    LPY 2 • 12 Price: $5.00 Ramsey Publica tion No. MLPY915 Assembly and Instruction manual for: RAMS EY MO DEL NO . LP Y915 RAMSEY ELECTRONICS, INC. 590 Fishers Station Drive Victor, New York 14564 Phone (585) 924-4560 Fax (585) 924-45 55 www.ramseykits.com REQUIRED TOOLS • Soldering Iron Ramsey WLC-100, • Thin Rosin Core Solder Ramsey RTS12 • ...

Manufacturer Ramsey Electronics Category Stereo System

Documents that we receive from a manufacturer of a Ramsey Electronics LPY915 can be divided into several groups. They are, among others:
- Ramsey Electronics technical drawings
- LPY915 manuals
- Ramsey Electronics product data sheets
- information booklets
- or energy labels Ramsey Electronics LPY915
All of them are important, but the most important information from the point of view of use of the device are in the user manual Ramsey Electronics LPY915.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Ramsey Electronics LPY915, service manual, brief instructions and user manuals Ramsey Electronics LPY915. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Ramsey Electronics LPY915.

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A complete manual for the device Ramsey Electronics LPY915, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Ramsey Electronics LPY915 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Ramsey Electronics LPY915.

A complete Ramsey Electronics manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Ramsey Electronics LPY915 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Ramsey Electronics LPY915, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Ramsey Electronics LPY915, that we can find in the current document
3. Tips how to use the basic functions of the device Ramsey Electronics LPY915 - which should help us in our first steps of using Ramsey Electronics LPY915
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Ramsey Electronics LPY915
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Ramsey Electronics LPY915 in a specific country, if it was not possible to solve the problem on our own.

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