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LPY2 

 2  

 
 
 
 

RAMSEY TRANSMITTER KITS 
       

• 

FM100B Professional FM Stereo Transmitter 

       

• 

FM25B Synthesized Stereo FM Transmitter 

       

• 

MR6 Model Rocket Tracking Transmitter 

         • 

TV6 Television Transmitter  

 
RAMSEY RECEIVER KITS 
       

• 

FR1 FM Broadcast Receiver 

       

• 

AR1 Aircraft Band Receiver 

       

• 

SR2 Shortwave Receiver 

       

• 

SC1 Shortwave Converter 

 
RAMSEY HOBBY KITS 
       

• 

SG7 Personal Speed Radar 

       

• 

SS70A Speech Scrambler 

       

• 

BS1 “Bullshooter” Digital Voice Storage Unit 

       

• 

AVS10 Automatic Sequential Video Switcher 

       

• 

WCT20 Cable Wizard Cable Tracer 

       

• 

LABC1 Lead Acid Battery Charger 

       

• 

ECG1 Electrocardiogram Heart Monitor 

       

• 

LC1 Inductance-Capacitance Meter 

 
RAMSEY AMATEUR RADIO KITS 
       

• 

DDF1 Doppler Direction Finder 

       

• 

HR Series HF All Mode Receivers 

       

• 

QRP Series HF CW Transmitters 

       

• 

CW7 CW Keyer 

       

• 

CPO3 Code Practice Oscillator 

       

• 

QRP Power Amplifiers 

 
RAMSEY MINI-KITS 
Many other kits are available for hobby, school, Scouts and just plain FUN. New 
kits are always under development. Write or call for our free Ramsey catalog.    

 
 

LPY2 INSTRUCTION MANUAL 

Ramsey Electronics publication No. MLPY2 Rev 1.1 

First printing: August  2003

 

 

 
COPYRIGHT  2001 by Ramsey Electronics, Inc. 590 Fishers Station Drive, Victor, New York 
14564. All rights reserved. No portion of this publication may be copied or duplicated without the 
written permission of Ramsey Electronics, Inc. Printed in the United States of America.

 

Summary of Contents for LPY2

Page 1: ...signal into a powerful beam that is 4 times more powerful in the direction you desire Easy hookup to your Receiver or Transmitter Small thin size with excellent broadband performance Solid 6 dB gain f...

Page 2: ...LC1 Inductance Capacitance Meter RAMSEY AMATEUR RADIO KITS DDF1 Doppler Direction Finder HR Series HF All Mode Receivers QRP Series HF CW Transmitters CW7 CW Keyer CPO3 Code Practice Oscillator QRP P...

Page 3: ...y Modification 7 Building a Corner Reflector 7 Building a Reflector Grid 9 LPY2 Return Loss Plot 10 Return Loss vs VSWR Chart 10 Warranty 11 KIT ASSEMBLY AND INSTRUCTION MANUAL FOR RAMSEY ELECTRONICS...

Page 4: ...put impedances and good VSWR characteristics While the log periodic design has been around since the late 1950 s it has now been discovered to be at the cutting edge of antenna development Looking at...

Page 5: ...al cable such as RG 142 141 and 085 semi rigid will also provide you with a good low loss connection as well as excellent high frequency characteristics Let s take a look at the circuit board for a mo...

Page 6: ...s are much better than most other parasitic arrays with the same gain rating One drawback of the normal corner reflector arrangement is the fact that the active radiating or receiving element is usual...

Page 7: ...rror 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 enough to wedge the entire Logi in place The narrow front edge of the circuit board...

Page 8: ...1 2 to 1 PVC coupler non threaded 1 3 4 to 1 PVC coupler threaded on the male 3 4 side only 1 can of PVC cement 3 4 minimum nylon wire ties 10 0 12 0 Cut a slot into the PVC boom Insert the Logi narro...

Page 9: ...LPY2 9 LPY2 mounting Boom for a Grid Reflector LPY2 mounted on a Grid Reflector...

Page 10: ...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 40 0 1 020 9 0 2 100 19 0 1 253 50 0 1 006 10 0 1 925 20 0 1 222 60 0 1 002 RETURN LOSS VERSUS VSWR CONVERSION CHART The LPY2 of...

Page 11: ...be assured that the 1K ohm resistors are actually the missing 10 K parts Hum m m I guess the red band really does look orange Ramsey Electronics project kits are packed with pride in the USA If you b...

Page 12: ...amsey RTS05 Small Diagonal Cutters Ramsey RTS04 OR Complete Soldering Tool Set RS64 2801 ADDITIONAL SUGGESTED ITEMS Optivisor Magnifier Headband Ramsey OPMAG Holder for PC Board Parts Ramsey RTS13 Des...

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