H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 25/03 (2006.01) H03K 19/018 (2006.01) H04L 12/40 (2006.01) H04L 25/02 (2006.01)
Patent
CA 2076859
82 Abstract A new and improved all monolithic transceiver manufactured on a single semiconductor die and operative from a 5 volt DC power supply. The transceiver meets all of the pulse width and timing requirements of the MIL-STD-1553 transceiver and is operative at high switching speeds and high output current levels to generate bi-phase TX OUT and TX OUT signals used to drive, respectively, two center tapped primary windings of an output transformer. The transmitter includes two dynamically driven data channels which are driven out of phase and in a controlled manner that ensures that one data channel has been completely turned off before the other data channel turns on, thereby maximizing power transfer and operating efficiency while minimizing unnecessary current drain and eliminating current spiking in the output of the transmitter. The receiver of the transceiver includes a differential amplifier connected to drive first a balanced differential filter and then a differential window comparator which establish the bandwidth, voltage thresholds, gain- versus-frequency characteristic and Q point of the transceiver. Advantageously, the above all monolithic construction is facilitated by the use of MOS capacitor technology and by the use of chrome-silicon alloy technology to form, respectively, thin film capacitors and resistors on the surface of the monolithic die and used in the construction of resistor-capacitor filter networks, bias and load resistors, and the like. The above differential window comparator is connected to a pair of output logic drivers to generate therefrom RX DATA OUT and RX DATA our bi-phase output signals for use in controlling an associated computer.
Stein Marc T.
Stormo Lonny E.
Medtronic Inc.
Smart & Biggar
Stein Marc T.
Stormo Lonny E.
LandOfFree
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