[PDF][PDF] LITERATURE REVIEW ON RF AND MICROWAVE DESIGN OF PASSIVE MICROSTRIP CIRCUIT WITH BANDPASS TYPE NGD BEHAVIOR

E Sambatra, S Ngoho, FE Sahoa… - Smart Systems: Theory … - researchgate.net
Due to its counterintuitive aspects, the negative group delay (NGD) circuits remain an
unfamiliar electronic function to majority of radio frequency (RF) and microwave design …