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Home » Literature » April 11

Featured Article

Hittite's 18 GHz Ultra Wideband Track-and-Hold Amplifier Enhamces High Speed ADC Performance

The HMC5640BLC4B, which offers 18 GHz input bandwidth and excellent broadband linearity, is used as an external master sampler at the front end of an ADC. Once extended bandwidth sampling takes place within the HMC5640BLC4B, the low bandwidth held output waveform can be processed by an ADC with substantially reduced bandwidth. ADC converter linearity limitations at high input frequencies are also mitigated because the settled THA waveform is processed with the optimal low frequency linearity of the ADC. Additionally, the HMC5640BLC4B offers very low random sample jitter of typically <70 fs, which minimizes jitter induced Signal-to-Noise (S/N) ratio degradation at high microwave signal frequencies.

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