Electrical transmission or interconnection systems – Wave form or wave shape determinative or pulse-producing... – With capacitor
Patent
1992-07-08
1994-07-19
Callahan, Timothy P.
Electrical transmission or interconnection systems
Wave form or wave shape determinative or pulse-producing...
With capacitor
307282, 307246, 328 65, H03K 501
Patent
active
053312139
ABSTRACT:
An undershoot eliminating circuit is provided between a pulse transformer of a pulse transmitter coupled to a transmission line and a pulse transformer driving circuit for driving the pulse transformer. The pulse transformer driving circuit has an impedance high enough to cause the pulse transmitter to be substantially isolated from the transmission line. The undershoot eliminating circuit includes a capacitor, and a switching unit. The switching unit is connected to the capacitor, and has the function of selectively connecting the capacitor to the pulse transformer driving circuit and the pulse transformer in parallel on the basis of a voltage based on a pulse wave generated by the pulse transformer driving circuit and applied across the switching unit.
REFERENCES:
patent: 3214707 (1965-10-01), Wuerker
Furukawa Yukio
Ohmori Hisakazu
Oi Masakazu
Takada Akihiko
Callahan Timothy P.
Fujitsu Limited
Riley Shawn
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