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Preselectors

 

  SCR Preselector-CAT page.  
 

SCR Preselector-CAT

High-performance Software Controlled Radio Preselector.

1.8MHz to 50MHz tunable Band-Pass Filter bank. Digital tuning.

Featuring Tracking operation from dedicated radio software.

   
 


Five operating modes:

Stand alone. By means of its control knobs.

CAT. From dedicated radio software. Tracking feature.(Kenwood TS-2000 protocol)

GUI. Graphic User Interface from PC application.

TCP/IP. Over the Internet or local network.

I2C bus. From an external radio or digital system.

 
     
 

 

Tiny Plus SCR Preselector

Tiny Plus SCR Preselector on WinRad and HDSDR
It is tracked with any radio supported by Winrad v1.6.1 and HDSDR.

 

 

tiny SCR Preselector page.

tiny SCR Preselector.

tiny SCR Preselector supported on FlexRadios

Tiny SCR Preselector on WinRad and HDSDR
It is tracked with any radio supported by Winrad v1.6.1 and HDSDR.

Converters

 

 

VLF/LF converter

VLF-LF 10KHz to 500KHz to 3.5MHz-4MHz up converter

 

VLF-LF 10KHz to 500KHz to 4MHz-4.5MHz up converter

 
Amplifiers
  Filtered Preamplifier    

Range of Pre-Filtered RF Preamplifiers

 
Antenna-signal switching

 

 

Dual Relay

General purpose HF Dual By-Pass relay.
150Watts PP RF power rating.

 

General purpose VHF Dual By-Pass relay.
150Watts PP RF power rating.

 
 


Antenna relay

General purpose antenna/signal relay.
150Watts PP RF power rating.

 

RF Switch details

Solid State RF switch (no relays)
10KHz - 3GHz

 
 

Splitter_By-Pass relay

Antenna Splitter & 150Watts PP By-Pass Relay

 

 

    Splitters    

 

 

Passive Antenna/Signal Splitter
Frequencies range:
model HF 100KHz to 400MHz
- Insertion loss: 3dB max.

 

Splitters

Passive Antenna/Signal Splitter
Frequencies range:
model VLF 4KHz to 60MHz
- Insertion loss: 3dB max.

 
 

Splitter_By-Pass relay

Antenna Splitter & 150Watts PP By-Pass Relay

 
    Filters    

 

100 Watts Broadcast Band Rejection filter (BCB filter)
By-passed filter in reception with no relays.
Suitable for inserting between any HF transceiver and antenna.

 

RF accessories

Mini Low Pass Filters range

 
  USB Digital Isolator  
 

USB Galvanic Digital Isolator for SDR radios

 
    Antenna Accessories    
 

RF accessories

10KHz to 60MHz Antenna Galvanic Isolator System for SDR radios

 

RF accessories

Impedance Adapter for Long Wire Antenna (Galvanically Isolated)

 

 

VHF-UHF-SHF Antenna Galvanic Isolator System for SDR radios

    Measurement    

 

 

Step attenuator

0 TO 71 dB step attenuator Ladder configuration.

 

 

RF accessories

Pad attenuators range

 
 


     
 

150 Watts PP, 40dB Tap attenuator
Panoramic adaptor for transceivers.

 

 

RF accessories

Mini Z bridge.
General purpose impedance measurement bridge.

 
         
    Electronic components    
 
         
  Offers   Toroid cores  
         
 

LODESTONE PACIFIC

Toroid Mounts

 
RF components

MiniCircuits

 
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