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UC9710A CDR (Clock Recovery Module ) is mainly used to provide clock recovery signal in the test environment without triggering clock, so as to use the sampling oscilloscope to test the optical eye diagram of the device. The typical application is the testing of optical network equipment or the BOB product in PON application. Because the photometric device itself has no frequency division clock output, it is necessary to recover the clock signal to trigger the sampling oscilloscope when testing the optical eye diagram.

UC9710A CDR has a SFP optical port, which is suitable for SFP encapsulated conventional SFP, SFP+, OLT SFP and other optical modules. It only needs the receiving end of the optical module to convert the optical signal to the electrical signal, and then extract and output the clock of the electrical signal. Clock signal is mainly used for the trigger signal of oscilloscope.

UC9710A CDR全速率時(shí)鐘恢復(fù)儀有源測(cè)試設(shè)備（時(shí)鐘恢復(fù)儀）主要用于在沒(méi)有觸發(fā)時(shí)鐘的測(cè)試環(huán)境，提供時(shí)鐘恢復(fù)信號(hào)，從而利用采樣示波器測(cè)試器件的光眼圖。典型應(yīng)用是光網(wǎng)絡(luò)設(shè)備的測(cè)試，或者針對(duì)PON應(yīng)用中的BOB產(chǎn)品，由于被測(cè)光設(shè)備本身沒(méi)有分頻時(shí)鐘輸出，在測(cè)試光眼圖時(shí)需要恢復(fù)時(shí)鐘信號(hào)用于觸發(fā)采樣示波器。

UC9710A CDR全速率時(shí)鐘恢復(fù)儀有源測(cè)試設(shè)備帶有一個(gè)SFP光口，適用SFP封裝的常規(guī)SFP、SFP+、OLT SFP等光模塊接入，僅需要光模塊的接收端，將光信號(hào)轉(zhuǎn)換為電信號(hào)，CDR再將電信號(hào)的時(shí)鐘提取出來(lái)并輸出，時(shí)鐘信號(hào)主要用于示波器的觸發(fā)信號(hào)。