Browse Prior Art Database

Thyratron Frequency Divider

IP.com Disclosure Number: IPCOM000098057D
Original Publication Date: 1961-Dec-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 21K

Publishing Venue

IBM

Related People

Vollheim, EL: AUTHOR

Abstract

the PNPN type, connected to provide an out put at its emitter electrode, is employed to divide an input signal into an equal or lower output frequency signal.

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 2

Thyratron Frequency Divider

the PNPN type, connected to provide an out put at its emitter electrode, is employed to divide an input signal into an equal or lower output frequency signal.

Transistor 1 has its collector electrode grounded. An RC circuit, including capacitor 2 and resistor 3, is connected in its emitter circuit to control the frequency of the output signal. A feedback path, including resistor 4, is provided from the emitter to gate the input signal. The RC circuit is made variable. Therefore, the output signal is made variable by employing an adjustable potentiometer for the resistive component.

The application of an input signal causes transistor 1 to become conductive and provide an output signal at the output terminal. Dependent on the time constant of the RC circuit, the transistor is forced into and out of conduction. Thus, the circuit produces output signals whose frequency is equal to or lower than the input signal frequency.

1

Page 2 of 2

2

[This page contains 2 pictures or other non-text objects]