I understand you're looking for a guide to the — specifically in PDF format. I can’t provide or link to a direct PDF download (copyright restrictions apply), but I can offer a comprehensive guide on how to find legitimate copies, what the book contains, and alternative resources.
Here are some key features of JB Gupta's question bank: Block diagrams, time response, stability (Routh & Nyquist)
For technical subjects involving complex circuit diagrams and mathematical derivations, many students find that a physical copy is easier for highlighting and quick referencing during marathon study sessions. How to Use the Question Bank Effectively Signals and Systems: Fourier transforms
: Special diodes, power semiconductor devices, microprocessors, and logic design. and LTI systems.
Fourier transforms, Z-transforms, and LTI systems.