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Manual Ramsey Electronics PR100

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  • Ramsey Electronics PR100 - page 1

    PR100 y 1 VHF LOW NOISE PREAMP KIT Ramsey Electronics Model No. PR100 • Extensive filtering for low noise operation, 1dB noise figure! • Three section tu ned circuit and doubl e helical filter • Centered on 145 MHz and is 2.8 MHz wide • 16dB Gain • Perfect match for any VHF Receiver • Powered through antenna f eed line, or separately ? ...

  • Ramsey Electronics PR100 - page 2

    PR100 y 2 R A MSE Y TRANSMITTER KITS • FM100B Professional FM Stereo Transm itter • FM25B S ythesized Stereo FM Tr ansmitter • MR6 Model Rocket Tracki ng Transmitter • TV6 Television Transmitter RAMSEY RECEIVER KITS • FR1 FM Broa dcast Receiver • AR1 A ircraft Band Receiver • SR2 Shortwav e Rec eiver • SC1 Shortwav e Conv erter RA M ...

  • Ramsey Electronics PR100 - page 3

    PR100 y 3 VHF LOW NOISE PREAMP KIT Ramsey Publication No. MPR100 Manual Price Only: $5.00 TABLE OF CONTENTS Introduction to the PR100 ............ ................. 4 How it W orks ................ ............. .............. ...... 4 Schematic ................ .............. ................. ...... 5 Parts Layout ....... ................ ....... ...

  • Ramsey Electronics PR100 - page 4

    PR100 y 4 INTR OD UC TIO N TO TH E PR1 00 This amplifier is a truly necessa ry piece of equipment for your 2 meter receive applications. With 16dB of gain, you mount this up on your mast on the antenna to boost those weak signals to a receivable level. This results in clear, unbroken reception, and a more pleasant listeni ng experience. The filteri ...

  • Ramsey Electronics PR100 - page 5

    PR100 y 5 The RF passes through tw o more tank circuits consisting of L4 and C9 in the second, and C12 a nd L5 in the third. Every time the RF goes through an additional tank circuit, the bandpass bandwidth of the RF is narrowe r. The narrowe r the bandwidth is before the active component of Q1, the better. The narrow bandpass allows Q1 to devote i ...

  • Ramsey Electronics PR100 - page 6

    PR100 y 6 PA RTS LAY OUT D IAGRA M PA RTS LI ST CAPACITORS  2 2.2pF ceramic capacitors (marked 2.2) (C4, C5)  1 10pF ceramic capacitor (marked 10) (C7)  3 8.2pF ceramic capacitors (marked 8.2) (C8, C9, C 10)  1 22pF ceramic capacitor (marked 22) (C6)  1 100pF ceramic capacitor (marked 100, or 101) (C2)  1 .001uF ceramic capacitor ...

  • Ramsey Electronics PR100 - page 7

    PR100 y 7 RAMSEY "LEARN-AS-YOU-BUILD ASSEMBLY STRATEGY" We'll start building on the lef t side and work our way across, installing the lower components up to the taller sized comp onents. This will make our placing and soldering of componen ts easy. Be sure to read through all of the steps, and check the boxes as y ou go to be sure y ...

  • Ramsey Electronics PR100 - page 8

    PR100 y 8 ASSEMBLY INSTRUCTIONS:  1. Orient the PC board as in the Parts La yout Diagram . We will start with the left hand side of the bo ard, then go to the right.  2. Install C6, the 22pF cer amic capacitor (m ark ed 22).  3. Install C8, a 8.2pF ceramic capacitor (marked 8.2).  4. Install C4, a 2.2pF ceramic capacitor (marked 2.2). ? ...

  • Ramsey Electronics PR100 - page 9

    PR100 y 9  18. Insta ll C1, a .01uF cera mic ca pacitor (m arke d 103, .01, o r 10n).  19. Install L 2, another 2.2uH in ductor ( green bod y, red- red-gold str ipes).  20. Install R3, a 18 ohm resistor (brown-grey-black).  21. Install C3, a .001uF capacitor (marked 102, or .001).  22. Install R5 , a 300 ohm resist or (orange- black ...

  • Ramsey Electronics PR100 - page 10

    PR100 y 10 ALIG NM EN T: Alignment is fairly simple if y ou follow these guidelines. The f irst step is to back all of the lugs out of L3, L4, and L5 until they reach the top of the cans. FL1 should be ok, and won’t need a ny adjusting.  1. Screw L3 in 8 tu rns.  2. Screw L4 in 8 turn s.  3. Screw L5 in 8 tu rns. If you have the equipmen ...

  • Ramsey Electronics PR100 - page 11

    PR100 y 11 PR EA MP IN STA LLA TION This part of the manual assumes that you have a r eceiver or transceiver (if using a transc eiver a TR Switch is needed, like our RFS-1). This preamp operates off a 12 volt DC supply which is connected to a 2.2 µH inductor then to the center of the ante nna cable near your radio(se e diagram on next page). Care ...

  • Ramsey Electronics PR100 - page 12

    PR100 y 12 THE PR100 Hookup is simple if you are using coax cable such as RG-58 or better 50 oh m cable. Just run a piece from the jack marked RCVR (J3) on th e PR100 to the .01µF capacitor just before the radi o. Then a short piece is needed to go from the capacitor to the radio. Finally, you need to connect the Preamp to the antenna and you are ...

  • Ramsey Electronics PR100 - page 13

    PR100 y 13 TROUBLESHOOTING GUIDE: Problem: When I insert this in line, I do n’t observe an y gain in recepti on. Solution: There are severa l causes to the problem, but the major one is that the preamp has been assembled incorrectly . Check Q1 for correct installation, then check J3 for 12VDC. If those check out, go through assembly steps again t ...

  • Ramsey Electronics PR100 - page 14

    PR100 y 14 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about y our kit. Most problems can be solved wit hout contacting the factory. Notice that this is not a "fine print" wa rrant y. W e want you to unders tand your rights and ours too! All Ramsey kits w ill work if assembled properly. The very fact that yo ...

  • Ramsey Electronics PR100 - page 15

    PR100 y 15 4. BE accompanied by the proper repair fee. No repair will be undertaken until we have rece ived the MINIMUM repair fee (1/2 hour labor) of $25.00, or authorization to ch arge it to your credit card acc ount. 5. INCLUDE a description of the proble m and legible return address. DO NOT send a separate letter; include all correspondence wit ...

  • Ramsey Electronics PR100 - page 16

    PR100 y 16 VHF LOW NOISE PREAMPLIFIER Quick Referenc e Page Guide How it W orks ....................... ................ 4 Schematic .............. .............. ................ 5 Parts Layout ................. ................. ...... 6 Strategy .............. ................. ............. ... 7 Assembly Steps ............... ................. ...

Manufacturer Ramsey Electronics Category Stereo Amplifier

Documents that we receive from a manufacturer of a Ramsey Electronics PR100 can be divided into several groups. They are, among others:
- Ramsey Electronics technical drawings
- PR100 manuals
- Ramsey Electronics product data sheets
- information booklets
- or energy labels Ramsey Electronics PR100
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 PR100.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Ramsey Electronics PR100, service manual, brief instructions and user manuals Ramsey Electronics PR100. 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 PR100.

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A complete manual for the device Ramsey Electronics PR100, 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 PR100 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Ramsey Electronics PR100.

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 PR100 - 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 PR100, 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 PR100, that we can find in the current document
3. Tips how to use the basic functions of the device Ramsey Electronics PR100 - which should help us in our first steps of using Ramsey Electronics PR100
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Ramsey Electronics PR100
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Ramsey Electronics PR100 in a specific country, if it was not possible to solve the problem on our own.

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