Simple Schematic Diagram

i need help bout block diagram?
i need a simple example of 30-volt block and Schematic Diagram.
not sure if these will help but might point you a way
Update: The diagram of Simple GM Counter circuit
shematics diagrams reference catalogues

i need help bout block diagram?
i need a simple example of 30-volt block and Schematic Diagram.
not sure if these will help but might point you a way
Update: The diagram of Simple GM Counter circuit