Friday, February 14, 2014

PIC Prototype Board for 16F877A

 PIC Prototype Board for 16F877A: It is necessary to keep a good prototype board when you do experiment with PIC. This is my prototype board and it's PCB. If you like yo...

Tuesday, February 11, 2014

Signal Acquisition in ECG Machines

Signal Acquisition in ECG Machines: ECG signals are changed from the microvolt to the millivolt range. Due to this small  range, the signals measured need to be amplified in o...

Friday, January 31, 2014

Bio Medical Engineering Solutions @ SL: Transistor as voltage amplifier

 Transistor as voltage amplifier: How to use transistor as voltage amplifier What you need. 1. Transistor data sheet to check Hfe 2. Four resistors with following values...

Friday, January 3, 2014

Bio Medical Engineering Solutions @ SL: IGBT (The insulated-gate bipolar transistor)

Bio Medical Engineering Solutions @ SL: IGBT (The insulated-gate bipolar transistor): The insulated-gate bipolar transistor or IGBT is a three-terminal power semiconductor device, noted for high efficiency and fast switching....