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Manual Ramsey Electronics PPM3

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  • Ramsey Electronics PPM3 - page 1

    PPM3 Page 1 Ramsey Electr onics Model N o. PPM3 Ever wis h you coul d broadc ast on-the- air t elepho ne calls li ke the comm erci al radio stations ? Wel l now y ou can! Th e PPM3 gives you the a bility to broadcast b oth sides o f a phone conversation without having t o change a ny conn ections to return to yo ur m usic or other pr ogramm ing. Pe ...

  • Ramsey Electronics PPM3 - page 2

    PPM3 Page 2 RAMSEY TRANSMITTER KITS • FM10A, FM2 5B FM Stereo Tr ansmitters • FM100B Profess ional FM St ereo Transmitter • TXE433 or 916 Tr ansmitter & Encoder Modul e • RXD433 or 91 6 Data Receiv er& D ecoder • RR1 Wired remote repeate r • RRW1 Wireless r emote rep eater RAMSEY RECEIVER KITS • FR1 FM Broa dcast Receiv er • ...

  • Ramsey Electronics PPM3 - page 3

    PPM3 Page 3 PHONE P A TCH MIXER KIT Ram sey Public atio n No. M P P M 3 Pri ce $5 .00 TABLE OF CONTENTS Introduct ion ........................................... 4 Theor y of Operation .............................. 5 Learn As You Bu ild ............................... 8 Parts Placem ent Diagram ................... 11 Parts List ................... ...

  • Ramsey Electronics PPM3 - page 4

    PPM3 Page 4 PPM3 INT RODUCT ION W e’ve all heard those awesom e call- in program s on the radio. You k now, the ones wher e the h ost lets th e averag e Joe gi ve his o pinion on-the- air to a ll of his listener s . . . regar dless of intel ligence level or speak ing s kills! Yes, we’ ve all been em barras sed for poor old Joe when he puts his ...

  • Ramsey Electronics PPM3 - page 5

    PPM3 Page 5 PPM3 CIRCUIT DESCRI PTION The PPM 3 is es sential ly a ster eo audio m ixer , with one s tereo li ne input a nd two special ized m ono input s, each f eeding into the s tereo l ine output. The phone and m ic inpu ts each have a pr e-am p stage that acts as a c omplete s ig- nal cond itioner. The m ixing core is done wit h two op am ps, ...

  • Ramsey Electronics PPM3 - page 6

    PPM3 Page 6 The m icrophone pus hbutton s witch ( S3) is us ed to tur n on the m ic chann el b y pushing it in, and t o m ute the m ic channe l by lea ving it out. The m ic LED is powered o n when t he mic is on b y using the other ha lf of the switch . The phon e line in put is m eant t o monitor both ends of a ph one conv ersation. An exter nal l ...

  • Ramsey Electronics PPM3 - page 7

    PPM3 Page 7 the far-end pho ne. So the solut ion is to use a high amount of com pres s ion in order to am plif y the far -end, weak er signa l m uch mor e than the loc al str onger signal. I n this way both s ides of the convers ation ar e closer to each ot her in signal s trength when appl ied to t he main m ixer . A 100K ohm res istor was used to ...

  • Ramsey Electronics PPM3 - page 8

    PPM3 Page 8 RAMSEY “LE ARN-AS-YOU-BUILD” ASSEMBLY STRATEGY Be sure to read thr ough a ll of the s teps, and c heck the boxes as you go t o be sure you didn't m iss an y im portant steps. Altho ugh you m a y be in a hurr y to see resu lts, b efore you switc h on the p ower chec k all wiring a nd capacitors for pr oper orie ntatio n. Also c ...

  • Ramsey Electronics PPM3 - page 9

    PPM3 Page 9 Although we k now that you are anxious to com plete the as sem bly of your phone patc h m ixer kit it is best to follo w the step- by-ste p instruct ions in t his manual. T r y to a void the urge to jum p ahead installing com ponents. Remem ber that all of the com ponents will be m ounted on the c omponent side of the circ uit boar d an ...

  • Ramsey Electronics PPM3 - page 10

    PPM3 Page 10 Once this is acc om plished, the p art can be insta lled b y holding i t with tweezers in cont act with th e “tinned” tr ace an d re-heat ing the so lder ( see the associated diagram s). Anot her com m only used techn ique is t o glue the surf ace mount c omponents to the printe d circ uit boar d befor e solderin g. The procedure i ...

  • Ramsey Electronics PPM3 - page 11

    PPM3 Page 11 PPM3 P ARTS PL ACEM ENT DI A GR AM ...

  • Ramsey Electronics PPM3 - page 12

    PPM3 Page 12 PARTS SU PPLIED WIT H YOUR PPM 3 KIT Capacitors  1 2.2nF ceram ic disc capaci tor [m arked 222] ( C16)  1 5.6nF ceram ic disc capaci tor [m arked 562] ( C33)  3 10nF ceram ic dis c capacit ors [mark ed 103] (C11,C1 3,C23)  2 High volt age 10nF capaci tors [lar ge red c apacitors mark ed .01M] (C3, C4)  1 47nF ceram ic di ...

  • Ramsey Electronics PPM3 - page 13

    PPM3 Page 13  2 SSM2165- 1S surf ace m ount micr ophone am plifier ICs (U1,U3) Miscellaneous Components  3 DPDT switc hes (S1,S 2,S3)  1 1/4” stereo jack (J7)  1 Dual RJ11 jac k (J 1)  1 2.1mm power jack (J4)  2 Dual RCA j ack s (J2,J3)  1 Isolation transf orm er [large yello w part with 6 le ads] (T 1)  1 Piece of heat sh ...

  • Ramsey Electronics PPM3 - page 14

    PPM3 Page 14 PPM3 SCH EM ATIC DIAGR A M ...

  • Ramsey Electronics PPM3 - page 15

    PPM3 Page 15 PPM3 PHO NE P ATCH M IXER ASSEMBLY Assem bly of the PPM3 is eas y but still r equir es som e tim e and patie nce. W e will start with the s urfac e mount parts an d get t hem out of the wa y. As with an y stat ic sens itive par ts be caref ul when insta llin g the IC’s in th is kit. Don’t rub your feet acr oss the car pet and th en ...

  • Ramsey Electronics PPM3 - page 16

    PPM3 Page 16  5. In the sam e wa y install C 20, a 1 0uF electr olytic c apacit or, again check ing your polarit y before solder in g.  6. Install C1 9 and C 18, noting that these are als o 10uF e lectrol ytics and the polar ity is ex actl y opposite to the two par ts you jus t insta lled. Sim ply follo w the silk scr een and la yout diagram ...

  • Ramsey Electronics PPM3 - page 17

    PPM3 Page 17  25. Install R1 9, 470 ohm s (yellow-viol et-brown) .  26. Install R2 7, 15k ohms ( brown-green- orange).  27. Install C2 3, 10nF (m ark ed 103).  28. Install C2 2, 0.1uF c apacit or (mark ed 104).  29. Install R2 2, the las t 15k ohm resistor (brown- green-or ange).  30. Install R1 8, 10k ohms (br own-black -orange) ...

  • Ramsey Electronics PPM3 - page 18

    PPM3 Page 18 W e’ll sk ip T1 f or now and c om e back to it l ater.  46. Install C3 1, 47nF (m ark ed 473).  47. Install D2 , 1N414 8 diode (o range gl ass bod y with a b lack band) . Orient t he black band wit h the b and mar ked on the s ilk screen and PC board la yout.  48. Install D1 , the las t 1N4148 diode (or ange gl ass bod y wit ...

  • Ramsey Electronics PPM3 - page 19

    PPM3 Page 19 save them f or last. Ok , that’s not th e reason, i t just m akes sens e to do them after all the big, b ulk y parts ar e in.  61. Install C1 0, the big 1000uF electro lytic cap acitor. Ok , one las t time, f or real, m ake s ure you get t he posit ive lead and th e negativ e lead or iented correc tly befor e solder ing. T his one ...

  • Ramsey Electronics PPM3 - page 20

    PPM3 Page 20  72. Install R1 5, the other 10k audio pot.  73. Install R2 , the 10k stereo audi o pot. Now the L EDs. As you ma y know, LEDs h ave a po larity just l ike diod es (the y are diod es, light em itting ones) and m us t be installe d corr ectly to wor k. The diagram belo w shows the anode ( positi ve) and cat hode (neg ative) pins o ...

  • Ramsey Electronics PPM3 - page 21

    PPM3 Page 21 TEST ING YO UR PPM3 Now it’s t im e to see all your hard work pay off. Her e’s what you’ll need to test and us e your P PM3 • An 8 to 15 volt DC power supp ly, posi tive tip • CD player or other d evice t o provid e a line le vel a udio inp ut to the PPM3 • A stereo or other d evice th at has li ne level inputs • A micr o ...

  • Ramsey Electronics PPM3 - page 22

    PPM3 Page 22  8. Plug your phone line f rom the wall jac k into the “T elep hone Inp ut” on the back of the PPM 3.  9. In order to c ontrol a phon e line you n eed to con nect a phone to the “Telephon e Output” of the PPM3. If you lif t the rec eiver on th e phon e you should be able to h ear the dial tone t hrough t he unit . In orde ...

  • Ramsey Electronics PPM3 - page 23

    PPM3 Page 23 TROUBLESHOOTING GUIDE If y our P PM3 does not wor k at all, rec heck the f ollowing: • correc t orientati on of VR1 a nd the ICs ( see PC board la yout diagr am) . • You shou ld be a ble to m easur e the volta ge on t he input an d outpu t term inals of vol tage reg ulat or VR1. T he input s hou ld be wha tever th e suppl y voltag ...

  • Ramsey Electronics PPM3 - page 24

    PPM3 Page 24 known good cables bet ween the ster eo, line level s ourc e, and PPM3 . Tr y switchin g cables or using a dif ferent c able if you’re ha ving a udio tro uble. PROBLE M: The m icropho ne doesn’t work. SOLUTI ON: Tes t the m icrophone with another u nit to be sure it works on its own. Mak e sure it ’s plugg ed sol idly into th e ja ...

  • Ramsey Electronics PPM3 - page 25

    PPM3 Page 25 PPM3 PHO NE P A TC H M IXER SPEC IFIC A TIO NS Here are f ew of the c omm only reques ted spec ificati ons f or the PPM3: J4 Power Inp ut - Input working voltage r ange: 8 - 15 VDC - Max cur rent dra w is bet ween - m A. Miscel laneous I nform ation - PCB Dim ensions: 4.7” L x 4” W (max c omponent he ight: ”) - Max. m ic volt age ...

  • Ramsey Electronics PPM3 - page 26

    PPM3 Page 26 ...

  • Ramsey Electronics PPM3 - page 27

    PPM3 Page 27 The Ramsey Kit Wa rranty Please read c arefully BEF ORE calling or writing in abou t y our kit. Most problems can be solved without conta cting the factory . Notice that this is not a " fine print" warran ty. We want you to unders tand your ri ghts and o urs too! All Ramsey ki ts w ill work if a ssembled properly . The very f ...

  • Ramsey Electronics PPM3 - page 28

    PPM3 Page 28 PPM3 REM OT E INTERF ACE KIT Quick Refe rence Page Gu ide Introduction ........................................... 4 Theor y of Operation .............................. 5 Learn As You Bu ild ................................ 8 Parts Placem ent Diagram ................... 11 Parts List ............................................. 12 Sch ...

Manufacturer Ramsey Electronics Category Telephone

Documents that we receive from a manufacturer of a Ramsey Electronics PPM3 can be divided into several groups. They are, among others:
- Ramsey Electronics technical drawings
- PPM3 manuals
- Ramsey Electronics product data sheets
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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 PPM3.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Ramsey Electronics PPM3, service manual, brief instructions and user manuals Ramsey Electronics PPM3. 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 PPM3.

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A complete manual for the device Ramsey Electronics PPM3, 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 PPM3 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Ramsey Electronics PPM3.

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 PPM3 - 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 PPM3, 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 PPM3, that we can find in the current document
3. Tips how to use the basic functions of the device Ramsey Electronics PPM3 - which should help us in our first steps of using Ramsey Electronics PPM3
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Ramsey Electronics PPM3
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Ramsey Electronics PPM3 in a specific country, if it was not possible to solve the problem on our own.

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