Optoelectronics

Amplifier ensures a long period of availability

8th February 2016
Jordan Mulcare
0

Femto have launched the updated HSA-X series. The series has been redesigned due to some of the key components in these amplifiers being discontinued. The updated series shows improved performance and ensures a long period of availability.

In the updated version of the model HSA-X-2-40 (2GHz bandwidth, 40dB gain) a different internal topology has been used in order to maintain and improve key characteristics. As a result this amplifier is inverting (i.e. a positive input voltage will show up as a negative voltage at the output). In order to indicate this important characteristic a new type designation HSA-X-I-2-40 has been given.

In most applications, the phase relationship (inverting/non-inverting) is of minor importance. If however some sort of heterodyning is used in an experiment or system, this property can be very important and require e.g. a software fix to restore the functionality.

Some OEM customers have built systems using the HSA-X-2-40 or photoreceivers HSA-X-S. In order to give these customers time to integrate the new inverting models in their system, Femto have stocked the discontinued components used in these models. Within an estimated scope of approximately five years the existing model HSA-X-2-40 (non-inverting) will be available unchanged.

In general using the new inverting HSA-X-I-2-40 is recommended. This particularly holds true for OEM customers who are in the development phase of a new system and who target a long product lifecycle.

The photoreceiver series HSA-X-S is based upon the amplifier HSA-X-2-40. For the same reasons as for the amplifiers, the photoreceivers will also be offered in two versions. The new series is called HSPR-X-I.

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