CPPL C-7-L-T-BR-50.000-TS
https://www.wce-electronics.es/shop/10499-cppl-c-7-l-t-br-50-000-ts-878
https://www.wce-electronics.es/web/image/product.template/878/image_1920?unique=4c580ea
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Field Programmable Blank Oscilator; Series: CPPL; Output: CMOS; Package Style: 5x7 Ceramic; Voltage: 3,3V; Added Features: Tube; Oper. Temp.: 0ºC To +70ºC; Stability: +/-25Ppm; Frequency: 50.000Mhz; Tri-State