Balanced frequency doubler

Balanced frequency doubler comprising:

• a first frequency doubler unit providing a first input port and a second input port,
• a second frequency doubler unit providing a third input port and a fourth input port,
• wherein the first, second, third and fourth input ports are configured to receive a first, second, third and fourth input signal, respectively,
• wherein the first, second, third and fourth input signals all have the same first harmonic frequency, but are phase-shifted relative to one another,
• wherein a first current, the frequency spectrum of which comprises a second harmonic frequency that is double the first harmonic frequency, is driven through the first frequency doubler unit in response to the first and second input signal,
• wherein a second current, the frequency spectrum of which also comprises the second harmonic frequency, is driven through the second frequency doubler unit in response to the third and fourth input signals,
• wherein a balanced output signal of the frequency doubler is influenced by the first and second current;
• and
• wherein the first and second doubler units are electrically arranged in parallel and have two common connection points.

Balanced frequency doubler comprising:

• a first frequency doubler unit providing a first input port and a second input port,
• a second frequency doubler unit providing a third input port and a fourth input port,
• wherein the first, second, third and fourth input ports are configured to receive a first, second, third and fourth input signal, respectively,
• wherein the first, second, third and fourth input signals all have the same first harmonic frequency, but are phase-shifted relative to one another,
• wherein a first current, the frequency spectrum of which comprises a second harmonic frequency that is double the first harmonic frequency, is driven through the first frequency doubler unit in response to the first and second input signal,
• wherein a second current, the frequency spectrum of which also comprises the second harmonic frequency, is driven through the second frequency doubler unit in response to the third and fourth input signals,
• wherein a balanced output signal of the frequency doubler is influenced by the first and second current and
• wherein the first frequency doubler unit comprises a first electrical load and a first switch module that is arranged in series with the first electrical load and comprises a first transistor and a second transistor arranged with drain-to-source in parallel, and
• wherein the second frequency doubler unit comprises a second electrical load and a second switch module that is arranged in series with the second electrical load and comprises a third transistor and a fourth transistor arranged with drain-to-source in parallel.

Balanced frequency doubler comprising:

• a first frequency doubler unit providing a first input port and a second input port,
• a second frequency doubler unit providing a third input port and a fourth input port,
• wherein the first, second, third and fourth input ports are configured to receive a first, second, third and fourth input signal, respectively,
• wherein the first, second, third and fourth input signals all have the same first harmonic frequency, but are phase-shifted relative to one another,
• wherein a first current, the frequency spectrum of which comprises a second harmonic frequency that is double the first harmonic frequency, is driven through the first frequency doubler unit in response to the first and second input signal,
• wherein a second current, the frequency spectrum of which also comprises the second harmonic frequency, is driven through the second frequency doubler unit in response to the third and fourth input signals,
• wherein a balanced output signal of the frequency doubler is influenced by the first and second current;
• and
• wherein a coil having two outer terminals and a middle terminal, forms a first load in the first frequency doubler unit and a second load in the second frequency doubler unit, and
• wherein the voltage between the coil's outer terminals forms the output signal of the frequency doubler.

Balanced frequency doubler of comprising:

• a first frequency doubler unit providing a first input port and a second input port,
• a second frequency doubler unit providing a third input port and a fourth input port,
• wherein the first, second, third and fourth input ports are configured to receive a first, second, third and fourth input signal, respectively,
• wherein the first, second, third and fourth input signals all have the same first harmonic frequency, but are phase-shifted relative to one another,
• wherein a first current, the frequency spectrum of which comprises a second harmonic frequency that is double the first harmonic frequency, is driven through the first frequency doubler unit in response to the first and second input signal,
• wherein a second current, the frequency spectrum of which also comprises the second harmonic frequency, is driven through the second frequency doubler unit in response to the third and fourth input signals,
• wherein a balanced output signal of the frequency doubler is influenced by the first and second current;
• and
• wherein the input signals all have an offset voltage.

Balanced frequency doubler comprising:

• a first frequency doubler unit providing a first input port and a second input port,
• a second frequency doubler unit providing a third input port and a fourth input port,
• wherein the first, second, third and fourth input ports are configured to receive a first, second, third and fourth input signal, respectively,
• wherein the first, second, third and fourth input signals all have the same first harmonic frequency, but are phase-shifted relative to one another,
• wherein a first current, the frequency spectrum of which comprises a second harmonic frequency that is double the first harmonic frequency, is driven through the first frequency doubler unit in response to the first and second input signal,
• wherein a second current, the frequency spectrum of which also comprises the second harmonic frequency, is driven through the second frequency doubler unit in response to the third and fourth input signals,
• wherein a balanced output signal of the frequency doubler is influenced by the first and second current;
• and
• wherein the balanced frequency doubler comprises a quadrature voltage-controlled oscillator that generates the first, second, third and fourth input signal.

Balanced frequency doubler comprising:

• a first frequency doubler unit providing a first input port and a second input port,
• a second frequency doubler unit providing a third input port and a fourth input port,
• wherein the first, second, third and fourth input ports are configured to receive a first, second, third and fourth input signal, respectively,
• wherein the first, second, third and fourth input signals all have the same first harmonic frequency, but are phase-shifted relative to one another,
• wherein a first current, the frequency spectrum of which comprises a second harmonic frequency that is double the first harmonic frequency, is driven through the first frequency doubler unit in response to the first and second input signal,
• wherein a second current, the frequency spectrum of which also comprises the second harmonic frequency, is driven through the second frequency doubler unit in response to the third and fourth input signals,
• wherein a balanced output signal of the frequency doubler is influenced by the first and second current;
• and
• wherein the first frequency doubler unit is a push-push frequency doubler unit,
• wherein the second frequency doubler unit is a push-push frequency doubler unit,
• wherein the first and second input signals are in-phase signals and the third and fourth input signals are quadrature signals,
• wherein the phase difference between the first and second input signal is 180° or at least in a range between 162° and 198°,
• wherein the phase difference between the third and fourth input signal is 180° or at least in a range between 162° and 198°,
• wherein the phase difference between the first and third input signal is 90° or at least in a range between 81° and 99°,

Balanced frequency doubler comprising:

• a first frequency doubler unit providing a first input port and a second input port,
• a second frequency doubler unit providing a third input port and a fourth input port,
• wherein the first, second, third and fourth input ports are configured to receive a first, second, third and fourth input signal, respectively,
• wherein the first, second, third and fourth input signals all have the same first harmonic frequency, but are phase-shifted relative to one another,
• wherein a first current, the frequency spectrum of which comprises a second harmonic frequency that is double the first harmonic frequency, is driven through the first frequency doubler unit in response to the first and second input signal,
• wherein a second current, the frequency spectrum of which also comprises the second harmonic frequency, is driven through the second frequency doubler unit in response to the third and fourth input signals,
• wherein a balanced output signal of the frequency doubler is influenced by the first and second current;
• and
• wherein the first and second doubler unit are electrically arranged in parallel and have two common connection points,
• wherein each of the first and second doubler units has an electrical midpoint, the electrical potential of which lies between the electrical potentials of the two common connection points, and
• wherein the output signal of the frequency doubler is the voltage between the electrical midpoints.