Transcoupler aka duplexer aka transmit-receive (TR) switches

NMR Service GmbH offers custom-made transcoupler (aka duplexer aka transmit-receive (TR) switches) for NMR/NQR as well as ferromagnetic NMR and broadband applications. Please do not hesitate to contact us for additional details.

Transcoupler
for NMR/NQR

  • Up to 1.3 kW RF pulse power (50 ms)
  • VSWR < 1.2
  • Transcoupler and preamplifier are seperatly available or in a set
  • Available transcoupler (aka duplexer aka TR switches) comprise

 

0.7 - 1 MHz 150 - 250 MHz 185 - 210 MHz
1 - 2 MHz 250 - 350 MHz 275 - 310 MHz
2 - 3 MHz 350 - 450 MHz 370 - 410 MHz
3 - 5 MHz 450 - 550 MHz 460 - 510 MHz
5 - 9 MHz 550 - 650 MHz  
9 - 14 MHz 650 - 750 MHz  
14 - 30 MHz 700 - 800 MHz  
30 - 50 MHz    
50 - 80 MHz    
80 - 150 MHz    

 

 

 

 

 

 

 

 

 

 

 

 

Active transcoupler
for ferromagnetic NMR

  • Active transcoupler (aka duplexer aka TR switches)
  • Designed for ferromagnetic NMR and broadband applications
  • Specifications are

 

  Low power High power
RF power Max. 10 W Max. 300 W
Frequency range 30 - 900 MHz 30 - 900 MHz
Min. isolation 26 dB 38 dB
Max. insertion loss 0.4 dB 0.4 dB
Switching time <1 µs <1 µs