Direct digital synthesizer with variable reference for...

Direct frequency synthesizer which is step-wise variable and has

Direct modulator for shift keying modulation

Disable circuit for a phase locked loop discriminator circuit

Disciplined oscillator system with frequency control and accumul

Discrete time digital phase locked loop

Discriminator stabilized superconductor/ferroelectric thin film

Display apparatus with a circuit for controlling the input volta

Divide-by-X.5 circuit with frequency doubler and...

Divider circuit and oscillating circuit including the same

Divider circuit and oscillating circuit including the same

Divider synchronization circuit for phase-locked loop frequency

Divider with dual modulus prescaler for phase locked loop freque

Dividerless PLL architecture

Doppler signal processing circuitry

Double phase locked loop circuit

Double PLL device

Drift compensated digitally tuned voltage controlled oscillator

Driving circuit for vibration type actuator apparatus

Dual adjust current controlled phase locked loop