H - Electricity
03
F
H03F 3/26 (2006.01) H03F 3/217 (2006.01)
Patent
CA 2414965
An amplifier comprises a transformer comprising a primary coil and a secondary coil having a center tap on the secondary coil connected to a reference point. A constant periodic signal generator is connected to the primary coil. A signal reception and amplification circuit comprises a first switch connected between a first end of the secondary coil and an output node; and a second switch connected between a second end of the secondary coil and the output node, such that a first voltage at the first switch is substantially inverse to a second voltage at the second switch; a phase shift modulator operative to convert the input signal to a phase shift modulated input signal connected to a control input of the first switch such that the first switch turns on and off in response to changes in the phase shift modulated input signal; an inverter control operatively connected to the control input of each switch, and operative to turn the second switch off when the first switch is turned on, and vice versa; and a filter connected to the output node.
Bayko Alan
Macpherson Leslie & Tyerman Llp
LandOfFree
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