Fast Recovery (NMR/MRI) Amplifiers
The recovery time of an amplifier is the time it takes to return from a saturated signal, to steady state gain. This is a normal requirement for Radar front ends. Noise Figure recovery is generally less of a consideration, as low level returns will be significantly delayed after the transmit pulse. This may be more of a problem for physics experiments where impulse generated signals are to be examined.
Amplifiers, when strongly compressed, can have significant internal bias changes. Depending upon the bias circuit time constant, they can have a slowed recovery. Generally all our FET amplifiers recover within 1 uS and most recover in the low nS range. Measuring these effects may be necessary depending upon the requirement.
VHF/UHF amplifiers are problematic in recovery time and the VHF/UHF amplifiers listed under this category are specifically designed for fast recovery.
Our JST high data rate amplifiers are designed to work in the compressed state and have rise and fall times of 30 pS or less for NRZ pulse trains. In essence, they go from the voltage compressed state to the current suppressed state in this short time, but this is different from the normal definition of recovery time.
Since 1969, L3 Narda-MITEQ, the pioneers in Amplifier development, have been customizing to our customers specific requirements. This can include new design efforts, modifications to existing designs for performance and mechanical needs, as well as additional testing and environmental screening.
Please contact Component Sales with any special requirements you may have:Tel: 631-436-7400Fax: 631-436-7430
All amplifier products are backed by L3 Narda-MITEQ's
3-Year Warranty and most are available as RoHs Compliant components.
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