Compact surface-mount production variant of the fixed-function, crystal-referenced low-power burst timer. Electrically equivalent to the through-hole version where practical, with selectable interval, duration, carrier frequency, AUTO/TEST mode, ENABLE output, and gated OSC_OUT; no MCU, firmware, PLL, VCO, or programmable logic.

Professional 4-layer STM32H743ZIT6 learning/development board with USB-C power, USB FS, SWD, crystals, SPI flash, ESP-12F Wi-Fi, full GPIO breakout, and expansion headers.

8MHz 20pF ±20ppm HC-49S-SMD Crystals ROHS