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Gecho

The Gecho is a modular RF chain (NMR Spectrometer (Cameleon4) + Amplifiers + Pre-amplifiers), associated with a power supply, that can be modified to meet your needs. The Gecho is assembled in a 3 U box.

 

Download the Gecho Brochure.

The Gecho is a versatile system where one can add parts on request, such as a shim card or a gradient card.

 

DESCRIPTION 

The console has 3 transmit channels and 3 receive channels with LNA and TR switches for each one. It can be configured for simultaneous acquisition on the 4 receivers at different observation frequencies.

The adjustment and adaptation of the probes are integrated with a directional coupler on each transmission channel.

The system comes with an unlimited number of licenses on our proprietary acquisition and processing software: SPINit (running Windows). If you wish to keep your acquisition software, we also give access to the Driver, allowing you to ensure a link between your software and ours.

Do you want to have an overview of the software? Download SPINit.

 

Cameleon4

  • Operating system on dual core ARM processor
  • Optical gradient output
  • 3 Low noise RF Transmitters (Tx) from 5 MHz to 650 MHz * + Lock
  • 4 Receivers (Rx)

 

RF Amplifier

  • 3 Amplifiers are available:

– 200-650 MHz / 100 w (50 dB) duty cycle 20% max pulse width 300 ms (1 per Gecho)

– 5-310 MHz / 300 W (55 dB) duty cycle 20% max pulse width 300 ms (1 per Gecho)

– 0.5-150 MHz / 250 W duty cycle 20 % max pulse width 100ms

Preamplifier

  • T/R switch board
  • Preamp board: up to 3 channel (one dedicated when lock)
  • Low noise (0.5 dB)
  • High speed active Tx/Rx switch
  • RF filter configured
  • Probe tuning on each canal (lock except)

 

General Purpose Input/Output (GPIO)

  • 1 TTL

 

Power supply

  • European standard and American: 110-230 Vac 50-60 Hz

 

OPTION

Gradient

  • 1 Amplificated output 10 A

 

Shim

  • 16 shims
  • Configurable shim matrices
  • Dynamic shimming (automatic)
  • 16 bit current resolution
  • Max +/-1 A per channel, with 75 W max per 16shims card

 

Sweep mode

  • Z/B0 board, direct output
  • shim power supply Z/B0 internal field

 

 

Application example

 

  • Magnetization watch for DNP systems

Polarization decay measurement

Polarization build up monitoring

Calibration of external systems (microwave generators)

real time data fitting

  • Relaxometry

T1 measurement

T2 measurement (temporal / frequential)

  • Low field NMR

Build up monitoring example, through a dedicated setup.

 

 

Any question? Please contact us via the contact page.

 

*Different standard versions are available for the spectrometer (Cameleon4) :

 

Low field 30 kHz to 5 MHz :
–             Base : 4 Tx and 4 Rx
–             Base + tune : 4 Tx and 3 Rx (only available with preamp option)

 

High field 15 MHz to 600 MHz
–             Base : 3 Tx and 4 Rx
–             Base + tune : 3 Tx and 3 Rx (only available with preamp option)
–             Base + lock + tune : 2 Tx and 2 Rx