100Gbps Multi-frequency Clock Recovery Instrument 25~28Gbps CDR
The 100Gbps multi-frequency division clock recovery instrument is a
key device for high-speed optical communication testing. This
device is connected to the optical module through the SFP28 optical
port, converts the optical signal into an electrical signal, and
then extracts the clock information to trigger the sampling
oscilloscope to test the optical eye diagram.
NO. | Technical indicators | Max | Min | unit |
1 | Data rate range | 28.1 | 25.6 | Gbps |
2 | Wavelength range | 1600 | 800 | nm |
3 | Optical input range (determined by module sensitivity) | +3 | -12 | dBm |
4 | Clock recovery output frequency division ratio | 2 / 4 / 8 / 16 / 64 / 256 |
|
5 | Output electrical clock amplitude | 800(typical value) | mVpp |
6 | CML clock differential output swing | 800 | 200 | mVpp |
7 | The clock output jitter randomly | 800 | 300 | fs |
8 | Clock frequency (28.1Gbps as an example) | 14.05 | 0.11 | GHz |
9 | Internal Signal Loss Detection (LOS) | 128 (over duty) | 5(sensitivity) | mV |
10 | Power supply voltage (external power input voltage) | 5.5 | 4 | V |
11 | Operating temperature | 70 | 10 | ℃ |
12 | Adaptive module type | SFP28,SR,LR,BIDI |
|
Its core functions include:
Optical signal conversion: Supports conventional optical modules in
SFP28 packaging (such as SR, LR, BIDI), and converts optical
signals into electrical signals through the receiving end.
Clock extraction and output: Extract the clock from the electrical
signal and output it as the trigger signal of the oscilloscope to
solve the problem of no frequency division clock output of the
device under test.
Multi-frequency division support: By adapting the frequency
division function to different test requirements, it ensures that
the clock signal is synchronized with the sampling oscilloscope.