A radio frequency (RF) power limiter includes an input direct current (DC) block, an output DC block, a limiter diode, a RF choke, and a test diode. A first terminal of the limiter diode is coupled to a node between the input DC block and the output DC block, and a second terminal of the limiter diode is coupled to an electrical ground. A first terminal of the RF choke is coupled to the node between the input DC block and the output DC block so that the first terminal of the RF choke is coupled to the first terminal of the limiter diode. A first terminal of the test diode is coupled to the second terminal of the RF choke, and a second terminal of the test diode is coupled to the electrical ground.

A distributed amplifier system constituted of: an input transmission line exhibit a plurality of sections; an output transmission line; an amplifier stage, an output of the amplifier stage coupled to the output transmission line and an input of the amplifier stage coupled to the input transmission line between a respective pair of the plurality of sections; a PIN diode coupled between a first end of the input transmission line and a common potential; and a circuitry coupled between a second end of the input transmission line and the common potential, the second end opposing the first end, such that there is a direct current (DC) flow through the first unidirectional electronic valve, the input transmission line and the circuitry.

A distributed amplifier system constituted of: an input transmission line exhibit a plurality of sections; an output transmission line; an amplifier stage, an output of the amplifier stage coupled to the output transmission line and an input of the amplifier stage coupled to the input transmission line between a respective pair of the plurality of sections; a PIN diode coupled between a first end of the input transmission line and a common potential; and a circuitry coupled between a second end of the input transmission line and the common potential, the second end opposing the first end, such that there is a direct current (DC) flow through the first unidirectional electronic valve, the input transmission line and the circuitry.