A ring laser gyroscope assembly comprising: an RLG block comprising: a first anode; a second anode; a cathode; and a cavity having a plurality of legs, the cavity being filled with a gas, wherein the gas produces a stimulated emission when a current is induced across at least a portion of the gas; the RLG assembly further comprising a current supply circuit coupled to the RLG block to provide the current to the RLG block, wherein the current supply circuit comprises: a high voltage power supply to provide a high voltage signal; a first current path coupled between the high voltage power supply and the first anode to provide a first current to the first anode based on the high voltage signal; and a second current path coupled between the high voltage power supply and the second anode to provide a second current to the second anode based on the high voltage signal, the second current path configured to mirror the first current such that the second current approximately matches the first current, the second current path further comprising a self-powered operational amplifier that is configured to adjust the second current to mirror the first current, wherein the self-powered operational amplifier is further configured to operate based on power derived only from the high voltage signal used to provide the first current and the second current; wherein each component in the second current path is configured to operate based on power derived only from the high voltage signal used to provide current to the first and second anode s of the RLG block. an RLG block comprising: a first anode; a second anode; a cathode; and a cavity having a plurality of legs, the cavity being filled with a gas, wherein the gas produces a stimulated emission when a current is induced across at least a portion of the gas; the RLG assembly further comprising a current supply circuit coupled to the RLG block to provide the current to the RLG block, wherein the current supply circuit comprises: a high voltage power supply to provide a high voltage signal; a first current path coupled between the high voltage power supply and the first anode to provide a first current to the first anode based on the high voltage signal; and a second current path coupled between the high voltage power supply and the second anode to provide a second current to the second anode based on the high voltage signal, the second current path configured to mirror the first current such that the second current approximately matches the first current, the second current path further comprising a self-powered operational amplifier that is configured to adjust the second current to mirror the first current, wherein the self-powered operational amplifier is further configured to operate based on power derived only from the high voltage signal used to provide the first current and the second current; wherein each component in the second current path is configured to operate based on power derived only from the high voltage signal used to provide current to the first and second anode s of the RLG block. a first anode; a second anode; a cathode; and a cavity having a plurality of legs, the cavity being filled with a gas, wherein the gas produces a stimulated emission when a current is induced across at least a portion of the gas; the RLG assembly further comprising a current supply circuit coupled to the RLG block to provide the current to the RLG block, wherein the current supply circuit comprises: a high voltage power supply to provide a high voltage signal; a first current path coupled between the high voltage power supply and the first anode to provide a first current to the first anode based on the high voltage signal; and a second current path coupled between the high voltage power supply and the second anode to provide a second current to the second anode based on the high voltage signal, the second current path configured to mirror the first current such that the second current approximately matches the first current, the second current path further comprising a self-powered operational amplifier that is configured to adjust the second current to mirror the first current, wherein the self-powered operational amplifier is further configured to operate based on power derived only from the high voltage signal used to provide the first current and the second current; wherein each component in the second current path is configured to operate based on power derived only from the high voltage signal used to provide current to the first and second anode s of the RLG block. a high voltage power supply to provide a high voltage signal; a first current path coupled between the high voltage power supply and the first anode to provide a first current to the first anode based on the high voltage signal; and a second current path coupled between the high voltage power supply and the second anode to provide a second current to the second anode based on the high voltage signal, the second current path configured to mirror the first current such that the second current approximately matches the first current, the second current path further comprising a self-powered operational amplifier that is configured to adjust the second current to mirror the first current, wherein the self-powered operational amplifier is further configured to operate based on power derived only from the high voltage signal used to provide the first current and the second current; wherein each component in the second current path is configured to operate based on power derived only from the high voltage signal used to provide current to the first and second anode s of the RLG block.