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TR7 CONCEPTS

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The future of Radio Communications?
Software Defined Radio

Letzte Aktualisering: 16.11.2011
Last update: 16.11.2011
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TR7 CONCEPTS FOR DRAKE TR7

On these page´s you will find some concepts to improve your Drake TR7 transceiver. To print and view the cicuit diagrams and pcb layouts  optimal we advise you to down load and install the listed original viewers below.
The circuit diagrams are also available for down load in PDF format.The showed drawings on this page are in jpg format.

You can find these files also at the Site of Abacom www.abacom-online.de

Abacom is a German developer of PCB Layout and   Schematic Editor Software.
Down Load and install Viewer PCB Sprint Lay Out 5.0 to View and Print the PCB Layouts listed on this page
Down Load and install Viewer  sPlan 7.0 to View and Print the Circuit Diagrams listed on this page

 

 

 

Modern High Current Switch Mode Power Supply for TR7

offers:
  • Small, light Power Supply built in to modern styled housing in the same style of the new designed TR7
  • Using Professional Mean Well PSP 600-15 Switch Mode Power Supply
  • Power Supply has built in Over Voltage and Temperature Protection
  • Built in Power Factor Compensation
  • Offers 40 Amp at 13.8V for future extensions (250 Watt Mosfet PA & Transvertors)
  • Original Fan replaced by very Silent Temperature Controlled   one
  • Built in Current Measurement by shunt and Moving Coil Indicator
  • Voltage Measurement with Moving Coil Indicator
  • Using Professional High Power Neutrik Connectors
  • Splitted well protected Power Cables, High Power for PA and Low Power for TRX
Down Load Wiring Diagram Power Supply in sPlan 7.0 format
Down Load Wiring Diagram Power Supply in PDF Format

 

wiring_diagram_power_supply_tr7_jpg.JPG (192984 Byte)
power_supply_front.jpg (7804 Byte) power_supply_open_top.jpg (14170 Byte)
DC_power_cables_tr7.jpg (8486 Byte)

 

Notch Filter for Drake TR7 Design by PA0CHN

 

 
notch_filter_oben.jpg (50718 Byte)
 

 

 
 

Notch_Filter_TR7.JPG (218973 Byte)
Circuit Diagram Notch Filter TR7 in PDF
Schaltbild Notchfilter für Drake TR7 in PDF
PCB for TR7 Notch Filter in Sprint Lay Out Format
Component Placement Notch Filter in PDF Format
Bestückungsplan NotchFilter für TR7 in PDF Format

Original Design by PA0CHN
 

 

 
Speech Processor Drake TR7
 

 
sprachprozessor_oben.jpg (57561 bytes) sprachprozessor_unten.jpg (54053 bytes)
 

 
Schlatbild Geänderte Transmitter Exiter Board TR7
Circuit Diagram Modified Transmitter Exiter Board TR7
Circuit Diagram Speech Processor TR PDF Format
Schaltbild Sprachprozessor TR PDF Format
Component Placement Speech Processor Board
Bestückungsplan   Sprachprozessor
PCB-Speech Processor TR Sprint 5.0 Format
Leiterplatte Sprachprozessor

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