D-SS-18-T Series Optical Fiber Delay Line & Optical Simulator
- Depending on Microwave-photonic technology, the D-SS-18-T series optical fiber delay line & optical simulator delivers unmatched performance for radar testing, signal processing, phased antenna array, antenna simulation, and phase noise testing.
- It works effectively in the whole S/C/X/Ku band, with less insertion loss, high dynamic range, strong electromagnetic isolation, and triple transit signals that are immeasurable.
Optical Fiber Delay Line & Optical Simulator Introduce
Depending on Microwave-photonic technology, the D-SS-18-T series optical fiber delay line and optical simulator deliver unmatched performance for radar testing, signal processing, phased antenna array, antenna simulation, and phase noise testing. It works effectively in the whole S/C/X/Ku band, with less insertion loss, high dynamic range, strong electromagnetic isolation, and triple transit signals that are immeasurable.
| Optical Fiber Delay Line Features ※ Bandwidth to 18GHz ※ High dynamic range ※ Wide temperature application ※ Low amplitude response | Optical Fiber Delay Line Applications ※ Radar testing/calibration ※ Signal processing ※ Electronic war ※ Phased antenna array ※ Antenna simulation |
Parameters of the Fiber Delay Line
| Electrical / Optical Characteristics | |||||
| Parameter | Parameter Values | Unit | Remark | ||
| Min | Typical | Max | |||
| Frequency Range | 2 | – | 18 | GHz | |
| Amplitude Flatness | – | ±2 | ±2.5 | dB | |
| Time Delay | 0.01 | – | 150 | us | Customized |
| Delay Accuracy | -5‰ | – | +5‰ | – | |
| Insertion Loss | 0 | 20 | 30 | dB | Customized |
| Input VSWR | – | 1.8 | 2.2 | – | |
| Output VSWR | – | 1.8 | 2.2 | – | |
| Impedance | – | 50 | – | Ω | |
| Input 1 dB Compression | – | 13 | 17 | dBm | |
| Spurious Signal Rejection Ratio | 60 | – | – | dBc | |
| Noise Figure | – | 50 | 60 | dB | 5us, 25℃ |
| Operate Temperature | -55 | – | 85 | ℃ | See Ordering Information |
| Storage Temperature | -55 | – | 85 | ℃ | |
| Relative Delay vs. Temperature | – | – | 7 | ppm/℃ | |
| Insertion Loss vs. Temperature | – | 2 | 4 | %/℃ | |
Connector Description & Power Supply
| Connector Description & Power Supply | ||||
| Pin | 1、2 | 3、4、5 | 6、7 | 8、9 |
| Voltage | NC | GND | +12V | NC |
| Current Rating | – | – | 0.3 | – |
| Max Current | 1 | |||
Typical Response Curves（ 25℃ ）
Dimension and Pins ( Unit: mm[inch] )
RF Connector： SMA-K（Customized）
DC Connector： DE-9PS（Customized）
- X:
| Product Type | D-SS-18-T-G | Remark | |||||
| Time Delay（us） | 8 | 20 | 35 | 50 | 60 | 80 | Standard |
| X（mm） | 37 | 52 | 70 | 85 | 98 | 120 | |
| Product Type | D-SS-18-T-P | Remark | |||||
| Time Delay（us） | 8 | 35 | 60 | 80 | 110 | 150 | Compact |
| X（mm） | 20 | 47 | 60 | 70 | 85 | 105 | |
- Ordering Information
| Product Type | Packages | Quality Levels | Operate | Storage Temperature |
| Temperature | ||||
| D-SS-18-T-G-I | Standard | Industry-grade | -20℃～70℃ | -40℃～80℃ |
| D-SS-18-T-G-M | Military-grade | -40℃～70℃ | -50℃～80℃ | |
| D-SS-18-T-G-S | Special Military-grade | -55℃～85℃ | -55℃～85℃ | |
| D-SS-18-T-P-I | Compact | Industry-grade | -20℃～70℃ | -40℃～80℃ |
| D-SS-18-T-P-M | Military-grade | -40℃～70℃ | -50℃～80℃ | |
| D-SS-18-T-P-S | Special Military-grade | -55℃～85℃ | -55℃～85℃ |
