U9720A 32Gbaud PAM4 CDR PON/BOB Test support 25GBaud~32GBaud
U9720B 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 prodUt 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.
U9720B CDR has a FC optical interface adapter, which
is suitable for optical signal access of conventional SFP28/56, SR,
LR and BIDI modules. It supports NRZ and PAM4 signals. FC optical
interface receives optical signals and converts them into
electrical signals. CDR then abstracts and outputs the clock of
electrical signals, and the clock signals are mainly used for the
trigger signals of oscilloscopes.
NO. | Technical indicator | Maximum value | Minimum value | unit |
1 | Data rate range | 32 | 25 | Gbps/Gbaud |
2 | Wavelength range (single mode) | 1650 | 1250 | nm |
3 | Optical input range | +5 | -15 | dBm |
4 | Clock restores output frequency division ratio | 2 / 8 / 32 / 40 |
|
5 | Output electrical clock amplitude | 500(Typical value) | mVpp |
6 | CML clock differential output amplitude | 800 | 200 | mVpp |
7 | The clock output jitter randomly | 800 | 300 | fs |
8 | Clock frequency (28.1Gbps as an example) | 14.05 | 0.70 | GHz |
9 | Internal signal loss detection (LOS) | 128 (overload) | 5(sensitivity) | mV |
10 | Power supply voltage (external power supply input voltage) | 5.5 | 4 | V |
11 | Operating temperature | 70 | 10 | ℃ |
12 | Adaptive module type (support for NRZ and PAM4 signals) | SFP28/56,SR,LR,BIDI |
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