Monolithic Wideband Parallel Channel Detector Array

Photodetector arrays and architectures for acousto-optical signal processing

“…17 The results given in Table I with the exception of the rise time and pitch were obtained with this array. The pitch of this array was 250 rim, and its rise time was 3O to 40 ns at high light levels and 7O ns at low light levels; at high light levels the rise time probably was limited by the sixstage amplifier, and at low light levels it probably was limited by the detector.…”

“…The bandwidth of the saturating gain amplifier is limited by the requirement for a large number of stages to achieve the desired transfer function accuracy; in this case the bandwidth of the amplifier is approximately equal to the bandwidth of a single amplifier stage divided by the square root of the number of stages. A 6 MHz amplifier with a logarithmic transfer function has been achieved with a six-stage 17 A current mirror circuit that has two…”

Photodetector arrays and architectures for acousto-optical signal processing

“…17 The results given in Table I with the exception of the rise time and pitch were obtained with this array. 17 The results given in Table I with the exception of the rise time and pitch were obtained with this array.…”