LK-AMPD-S High Speed Amplified Microwave InGaAs Photodetector
- High Speed,Wide Bandwidth
- Incorporated Bias-T
- O/E Hybrid Integrated
- High Gain, Low Noise, Broadband
- Hermetically Sealed, SMA Connector
- Low Dark Current,high signal-to-noise ratio.
- Small Form Factor.
Description
LK-AMPD-S is a hybrid of an InGaAs photodiode and a low-noise amplifier, designed for a wide optical response from 1000 to 1650nm and offering a 15 dB RF gain. It delivers high-speed performance with bandwidths of 12GHz and 18GHz, and is powered by a +5V supply.
This module is compatible with standard single-mode 9/125μm fiber and has an SMA connector with a 50 ohm impedance match.
LK-AMPD-S is hermetically sealed for environmental protection and has a lightweight design, with a mass of less than 23 grams. It is compliant with the Restriction of Hazardous Substances (RoHS) Directive 2.0, ensuring environmental sustainability and adherence to stringent safety standards.
Specifications
| Typical & Absolute Maximum Rating | ||||
|---|---|---|---|---|
| Parameter | Sym. | Typ | Rating | Unit |
| Storage temperature range | TSTG | -45 ~ +85 | -55 ~ +100 | ℃ |
| Operating case temperature range | TC | 25 | -40 ~ +85 | ℃ |
| Bias Voltage | VR | +5 | +5 ~ +9 | V |
| Optical Input Power | Pin | 0 | +10 | dBm |
| Burn-out Optical Power | PB | - | +13 | dBm |
| Lead soldering temperature | Tp | 280(10s) | 330(10s) | ℃ |
| Electrical / Optical Characteristics ( TC = 22 ± 3 ℃ ) | ||||||
|---|---|---|---|---|---|---|
| Parameter | Sym | Test Condition | Parameter Values | Unit | ||
| Wavelength Range | λ | - | 1000 ~ 1650 | nm | ||
| Frequency Range | - | - | X - Band | Ku - Band | - | |
| Small Signal Bandwidth | f-3dB | TC = 22 ± 3℃ | 0. 3 ~ 12 | 0. 8 ~ 19.5 | GHz | |
| Responsivity | Re | VR =+5V, Pin =10mW | λ = 1310 nm | ≥ 0.8 | ≥ 0.85 | A/W |
| λ = 1550 nm | ≥ 0.85 | ≥ 0.8 | ||||
| Amplitude Flatness | A | TC =-45~+85 ℃ | ≤ ± 2 | dB | ||
| Saturation Optical Power | Ps | VR =+ 5 V, λ = 1550 nm AC Modulated | 10 | dBm | ||
| RF Signal Gain(Typical) | G | - | 15 ± 1 | dB | ||
| Saturation RF Output Power | Pout | - | +3 | dBm | ||
| Output VSWR | VSWR | - | ≤ 2 | - | ||
| Output Impedance | RL | - | 50 | Ω | ||
● Typical Response Curves

( Fig . 1 X - Band Photodetector Frequency Response)

( Fig . 2 Ku - Band Photodetector Frequency Response)
●Dimension and Pins ( Unit:mm[ inch] )

RF Connector:SMA
●Ordering Information
Sheet 1:
| Code | RF Signal Gain | Remark |
| S | 15 dB | Typical & Center Frequency |
Sheet 2:
| Code | Analog Bandwidth |
| X | 0. 3 ~ 12 GHz |
| Ku | 0. 8 ~ 19.5 GHz |
Sheet 3:
| Code | Connector Type | Remark |
| N | No Connector | Single-mode 9 / 125 μm fiber pigtail |
| A | FC / APC | |
| P | FC / PC |

● Precautions
The fiber bending radius no less than 20 mm for avoiding fiber damaged .
Be sure the fiber coupling facet is clean before connecting it to opto-circuit .
The suitable ESD protection is required in storage, transportation and using .

All of our standard photodetectors can be customized into modules!
Applications
Radar Information Processing
Electronic Warfare
Antenna Measurement
Fiber Optic Communications
Security and Surveillance

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