Crt Clock Schematic -

High-speed, high-current op-amps (e.g., OPA548 or similar) are often used to drive the deflection coils. C. Z-Axis (Intensity) Modulation

+5V +12V | | [MCU] [555]--[Flyback]---> +HV to CRT Anode | | I2C GND [RTC] | [DAC]---[X-Amp]---(X plate left) (X plate right) [DAC]---[Y-Amp]---(Y plate bottom) (Y plate top) Crt Clock Schematic