Amplitude Modulation

 Frequency Modulation

 a AM demodulator circuit for demodulating a 10.7 MHz AM wave.

The reports for the above three can be downloaded as pdf files, from technical reports section.

 BPSK Modulator

 PRBS generator using D-Flip Flops with PC's parallel port interface.

 Two wire telemetry using current and freqeuncy as information carrying signal.

Analog Circuit Design

 Design of an Automatic Gain Control, for sinusoidal signals.

 Design of a Programmable Gain Amplifier.

 Design of a Digital Logic Probe, with High Z state and pulse detection.

 Stop Watch, reading up to 1000th part of a second.

Hobby Projects

 Designed a 200 Watts invertor.

 Designed my own stereo system, with a power amplifier based on IC4440.

 Design of a Infrared cordless audio headphone.