Digitally-controlled oscillator


Posted on Mar 5, 2013

The microprocessor-controlled oscillator has a 8159 to 1 frequency range covering 2 Hz to 20 kHz. An exponential, current output IC DAC functioning as a programmable current source alternately charges and discharges a capacitor between precisely-controlled upper and lower limits


Digitally-controlled oscillator
Click here to download the full size of the above Circuit.

The circuit features instantaneous frequency change, operates with +5 ±1 V and -15 V ±3 V supplies, and has the dynamic range of a 13-bit DAC.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Video Operated Relay
22 Watt Audio Amplifier
1.2 - 15V/3A variable and regulated PS
8 input Relays circuit
Pulse-width modulator
RF Amplifier circuit with 2SC1970 2N4427 Schematic Diagram
Audio Power Amplifier 60W with TDA7294 circuit
How To Build A One-Time-Only >> Burglar Alarm Circuit
Breaker control signal circuit manually
Camera power supply circuit



Top