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Nova Medical, Inc.


Integrated TR Switch/Preamplifier
Model NMSW-003A

Features:
NMSW-003
NMSW-003A Integrated
TR Switch/Preamplifier

  • Extremly low total noise figure (<0.5db)
  • Low insertion loss on transmit (<0.2db)
  • Medium (2kW) and high power (12kW) versions available
  • Models with center frequencies from 25-400MHz available


Description:

These ultra-high quality integretated TR switch/ preamplfier units allow extremely low total noise figure, high power handling, and very low i nsertion loss. A unique low voltage design allows high performance without endagering subjects or operator personel. Designed for linear coil use, a pair can be used with two quadrature hybrids for quadrature coils resulting in substatial improvements in total system noise figure.

Like many Nova Medical products, this switch can be provided for fast switching speeds or without the integrated preamplifier.

Specifications:

Application  
High Sensitivity NMR coils
Center Frequency  
20-450 MHz
Peak Power  
2.5kW (12kW option 010)
Average Power  
250W
Noise Figure  
<0.5 dB (typical)
Insertion Loss  
<0.2 dB (typical)
Bias Voltage  
+12V transmit, -12V receive
Preamp Power  
+15V
Isolation  
>45 dB
Connectors  
N female *
Size  
9.5 cm (L) x 6.5 cm (W) x 3 cm (H)


* other connectors available upon request





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