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Signal Injectors Tout Improved Regulator, Power Supply Testing Accuracy

Mon, 12/20/2010 - 1:33pm

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signal injectorsPicotest has released a family of signal injectors/adapters, which are said to improve voltage regulator, LDO, and power supply testing accuracy. Increased bandwidth and higher resolution measurements are enabled for PSRR, stability, reverse transfer, input impedance, Bode plots, and crosstalk tests along with non-invasive in-circuit testing for load transients, stability and output impedance. The injectors work with network analyzers, oscilloscopes, and arbitrary waveform generators from all manufacturers. The family consists of two injection transformers, a DC bias injector, a line injector, a solid state voltage injector, and a unique solid state current injector along with cascadable attenuators. The J2111A current injector is capable of performing small signal step loading at switching speeds and bandwidths that electronic loads cannot (40 MHz, 20 ns Rise/Fall times), according to the company. Incorporating a 40MHz current monitor, the current injector can also be used to measure output impedance, as well as the stability of a three-terminal regulator or a filter combined with the negative resistance of a switching converter or power supply.

Picotest
877-914-7426, www.picotest.com 
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