Saturday, October 31, 2009

DIFFERENCE BETWEEN PHASE AND GROUP VELOCITY

The document gives the mathematical distinction between the most commonly used terms associated with the velocity of propagation inside an waveguide.

Diff Betn Phase and Group Vel

Sunday, October 11, 2009

DC REGULATED +5V,+12V,-12V POWER SUPPLY

The circuit description of the DC Regulated Power Supplies is attached to this blag along with the datasheets of the two regulator ICs used. Download it and give it a read.

Dc Regulated Power Supply


IC 7812 DATASHEET HERE
IC 7812


IC 7912 DATASHEET HERE
IC 7912