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为了配合我国中阻型红外探测器的应用,我们研制了一种XN351型低频低噪声集成运放电路。该器件具有国外OP-05,OP-07等精密低噪声运放的各种优良性能。内部采用特殊的齐纳修正技术,使输入失调电压相当低,在使用时不必再采用外部调零装置。为了展宽使用带宽,电路内部设有补偿网络,可使带宽达到1MHz以上。
In order to meet the application of the medium-resistance infrared detector in our country, we have developed an XN351 low-frequency and low-noise integrated operational amplifier circuit. The device has a foreign OP-05, OP-07 and other precision low-noise op amps of various excellent performance. Internal use of special zener correction technology, the input offset voltage is very low, when in use no longer need to use external zero device. In order to broaden the use of bandwidth, the circuit has a compensation network, the bandwidth can reach more than 1MHz.