The 7A17 Single-Channel Amplifier Plug-In is a basic, 150MHz amplifier with provision for the addition of user-developed circuitry for special unique applications. The layout of the circuit board assembly provides a blank soldering pad matrix and ground plane surface totaling approximately 40 square inches. Circuits may be installed here. Mainframe power is identified and available on the circuit board. The front subpanel is prepunched with holes of various sizes and shapes which allow for the mounting of connectors, switches, indicators, etc. Input Impedance: 50 ohms.