20Mhz-vhf-crystal-oscillator


Posted on Aug 11, 2012

A typical circuit at 20 MHz is shown. The crystal, which has an internal series resistance Rs of 14ohm, oscillates at its third harmonic. The diode clamp Dl and D2 provides a constant amplitude control.


20Mhz-vhf-crystal-oscillator
Click here to download the full size of the above Circuit.

The transistor operates continuously in a linear mode over a complete cycle of oscillation, and reflects a reasonably constant load across the crystal at all times.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Sealed Lead-Acid Charger
A SPECIAL INTERFACE Joystic ( 68HC11A1)
ray dialer
Stereo PC Speaker Powered USB Speaker Schematic Diagram
Circuit diagram for basic alarm with delayed trigger
microcontroller Driving low-voltage H-bridge directly from MCU
40 segment led s meter
100w audio amplifier with integrated circuit
LMV1090 Dual Input Far Field Noise Suppression Microphone Amplifier
Simple Code Lock Circuit
C-Bot Article
Automatic Light Dimmer
PS/2 Keyboard IR Receiver
LM4911 different power circuit conduction time recommended



Top