Gregor Kleine (108)

| The NE612 is an active mixer/ oscillator that is used in numerous r.f. circuits. Three unusual applications of this versatile building b...

| As the title implies, the present circuit is intended to convert sinusoidal input signals to TTL output signals. It can handle inputs of...

| The pulser is intended to switch the mains voltage on and off at intervals between just under a second and up to 10 minutes. This is use...

| The familiar Type 555 can be used to switch currents up to 200 mA. Less well-known is its use as a latch with control input. When the in...

| Step-down regulators are more and more often used to derive low supply voltage from a higher voltage without incurring losses. Owing to...

| The MGA-86563 from HewlettPackard is a three-stage, GaAs, MMIC (monolithic microwave integrated circuit) that offers low noise figure an...

| Modern organizers, portable databanks, and mini computers are often considerably more than ingenious devices for playing games. They bec...

| Although the stereo digital volume contral Type CS3310 from Crystal Semiconductor is designed primarily for audio systems, it may also...

| It is often necessary to derive a negative voltage from an available positive supply line. This requirement is conveniently met by Nation...

| Just in case you had not noticed it, the buzzword in the discussions about digital television is MPEG-2. Pushed mainly by the broadcasters...