Each multiplexer circuit comprises a first signal-combining circuit and a second signal-combining circuit.

The combining circuit combines the two output signals of the gain circuit.

The drive module includes a combination circuit.

The correction circuit is connected to a combination circuit connected to one of the inputs of the phase detector or to a combination circuit incorporated in the phase-locked loop.

The apparatus further includes a control circuit to control the combination circuit to generate third image data.

A reference circuit (105) generates reference beams and a combining circuit (107) generates an output signal corresponding to a desired beam pattern by combining the reference beams.

A low noise amplifier circuit including a front end voltage sensing and matching amplification circuit, a gain circuit and a combining circuit is disclosed.

Each detection circuit comprises at least one Generalized RAKE combining circuit and generates a detected signal at an output.

Path-combining circuitry generates optimal path-combining weights based on the received signal and the normalization factor.

Outputs of the amplifier sub-units are applied to a combining circuit (218).

The combining circuit further includes an output providing a combined signal.

The receiver comprises at least one Generalized RAKE combining circuit and a joint demodulation circuit and generates a detected signal at an output.

The combining circuit comprises a RAKE receiver that reduces the interference by scaling and combining despread values generated from the offset sample streams.

The combining circuit (1200B) includes bias transistors (1232, 1234), first and second combining circuits coupled to the bias transistors, respectively and a current source coupled to the first and second combining units.

They also have to hook into the suit circuit system of the spacecraft that brings oxygen into their suits.