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Variable RF/Microwave Delay Line Module
Turn-Key solution for all applicationsThis RF-Photonic Time Delay system is customized to achieve high bit resolution of true time delay in input RF signal. This system is composed of RF-photonic and photonic-RF conversion module, switchable fiber optic delay module as well as the optical amplification. The RF modulated laser beam is switched to pass through N fiber segments, therefore providing N-bit resolution of digitally variable time delay. The fiber optic amplifications are used in this module to compensate optical loss through optic fiber segments and switches.
The system has built-in temperature sensors and the capability to initially check the switchable delay segments through USB interface. All high repeat rate of switching will be controlled by the external TTL signals through D connector.
SKU: RPTD
Variable RF/Microwave Delay Line Module
This RF-Photonic Time Delay system is customized to achieve high bit resolution of true time delay in input RF signal. This system is composed of RF-photonic and photonic-RF conversion module, switchable fiber optic delay module as well as the optical amplification. The RF modulated laser beam is switched to pass through N fiber segments, therefore providing N-bit resolution of digitally variable time delay. The fiber optic amplifications are used in this module to compensate optical loss through optic fiber segments and switches. The system has built-in temperature sensors and the capability to initially check the switchable delay segments through USB interface. All high repeat rate of switching will be controlled by the external TTL signals through D connector.| Optic Delay Line Module | Min | Typical | Max | Unit | |
| Wavelength band | 1520 | 1550 | 1580 | nm | |
| 1280 | 1310 | 1340 | nm | ||
| Insertion Loss[1] | 4.0 | 4.5 | dB | ||
| Cross Talk | 22 | 28 | dB | ||
| Switching Time(fall, rise) | CL | 50 | 200 | µs | |
| NS | 100 | ns | |||
| MEMS | 10 | ms | |||
| Repetition Rate | 0.05 | 1000 | KHz | ||
| Delay Time Range | n | m | s | ||
| Polarization Dependent Loss | 0.25 | 0.45 | dB | ||
| Polarization Mode Dispersion | 0.1 | 0.2 | ps | ||
| Return Loss | 50 | 55 | dB | ||
| Operating Temperature | 0 | 60 | oC | ||
| Optical Power Handling | 400 | mW | |||
| Storage Temperature | -40 | 85 | oC |
Note:
[1].For 4 bits with time delay < 1 µs.
Optical amplification option is available for long fiber
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