LVPECL level conversion device with high driving capability

The utility model discloses an LVPECL level conversion device with high driving capability, which comprises an LVTTL level input interface, a level conversion circuit, two bias and amplification circuits and an LVPECL level output interface, and is characterized in that the level conversion circuit converts a 3.3 V alternating current LVTTL level signal into a +/-0.4 V alternating current signal; +/-0.4 V alternating current signals pass through two paths of bias and amplification circuits to generate LVPECL differential pair signals with high driving capability. The LVPECL level signal conversion circuit is simple in structure, converts an LVTTL level signal, amplifies and outputs an LVPECL level signal with high driving capability, and greatly improves the driving capability of the LVPECL level. 本实用新型公开了一种高驱动能力的LVPECL电平转换装置，包括有LVTTL电平输入接口、电平转换电路、两路偏压及放大电路和LVPECL电平输出接口，电平转换电路将3.3V交流LVTTL的电平信号转换成±0.4V的交流信号，±0.4V的交流信号经过两路偏压及放大电路后生成高驱动能力的LVPECL差分对信号。本实用新型结构简单，将LVTTL电平信号转换并放大输出高驱动能力的LVPECL电平信号，大大提高了LVPECL电平的驱动能力