True-time-delay (TTD) techniques underpin the capability of modern phased array antennas to maintain beam coherence over very wide bandwidths. Unlike phase-shift control, which introduces ...
The circuit has been designed to create a lamp switch operated electronically with an option of setting a delay in the time of execution of operation to reduce one or more lamps in a stairwell or any ...
The circuit was designed to create a line preamplifier by acquiring the use of double triode tubes. The circuit comprises of three parts, the main preamplifier circuit with tubes, the input selector ...