Voltcraft-8202-Function-Generator-&-Frequency-Generator-Voltcraft-8202-p-The-professional-generator-produces-sine-rectangle-&-triangle-signals-The-square-signal-is-available-with-CMOS-TTL-&-variable-amplitude-The-pulse-width-can-be-continuously-adjusted-p-Voltcraft-8202-Function-&-Frequency-Generator