Solid state amplifier simulating vacuum tube distortion characte

Solid state electrical musical instrument amplifier

Sound system control

Spectrum notcher

Speech signal A/D converter using an instantaneously-variable ba

Squelch circuit for a radio receiver

Stability compensation for adjustable gain amplifier

Stabilized remote sensing high fidelity apparatus

Stabilized transistor amplifier

Superfluorescent broadband fiber laser source

Superluminescent diode

Switchable bandpass filter

Switchable bandpass filter

Switched capacitor amplifier with higher gain and improved...

Switched capacitor elliptic filter

Switched capacitor filter circuit

Switched capacitor filter utilizing a differential input and out

Switched-capacitor elliptic filter

Switching circuit useful in telephone conference systems

Switching power driving circuit arrangement