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LK-HHPD High Speed InGaAs Photodetector
- Wide Bandwidth ，High Speed
- High Responsivity
- Incorporated Bias-T
- High saturation Input
- Hermetically Sealed, SMA Connector
- Low Dark Current，high signal-to-noise ratio.
- Small Form Factor.
Description
LK-HHPD is a high-speed detector module suitable for digital and analog applications, featuring an InGaAs PIN photodiode that covers wavelengths from 1250 to 1650 nm. It offers 12 GHz or 18 GHz bandwidths and runs on +5V power. The module is compatible with standard single-mode 9/125μm fiber and has an SMA connector for RF output with a 50 ohm impedance match.
LK-HHPD suitable for high-data-rate applications, it is hermetically sealed to protect against environmental factors, ensuring reliability and longevity. It has a lightweight design, with a mass of less than 23 grams, which is beneficial for portable or space-constrained applications. The module is certified in compliance with the Restriction of Hazardous Substances (RoHS) Directive 2.0, demonstrating adherence to environmental and 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 | +4.75 ～ +5.25 | V |
| Optical Input Power | Pin | 0 | +13 | dBm |
| Burn-out Optical Power | PB | - | +16 | 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 ～ 18 | GHz | |
| Responsivity | Re | VR =+5 V, Pin = 10mW | λ = 1310 nm | ≥ 0.75 | ≥ 0.75 | A/W |
| λ = 1550 nm | ≥ 0.7 | ≥ 0.7 | ||||
| Output VSWR | VSWR | － | ≤ 2 | ≤ 2.2 | － | |
| Amplitude Flatness | A | TC =-45～+85 ℃ | ≤ ±1.5 | dB | ||
| Saturation Optical Power | Ps | VR =+5 V, λ = 1550 nm AC Modulated | 13 | dBm | ||
| Saturation RF Output Power | Pout | － | -10 | dBm | ||
| Dark Current | Id | VR = 5 V | ≤ 10 | nA | ||
| Output Impedance | RL | － | 50 | Ω | ||
● Typical Responsivity Curves
（ Fig. 1 X - Band Photodetector Frequency Response）
（ Fig. 2 Ku - Band Photodetector Frequency Response）
● Dimension and Pins (Unit: inch)
RF Connector： SMA Connector
●Ordering Information
Sheet 1：
| Code | Analog Bandwidth |
| X | 0.3 ～ 12 GHz |
| Ku | 0.8 ～ 18 GHz |
Sheet 2：
| Code | Connector Type | Remark |
| N | No Connector | Single-mode 9 / 125 μm fiber pigtail |
| A | FC / APC |
● Precautions
The fiber bending radius no less than 20mm 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
Optical-fiber Communication
Radar Information Processing
Electronic Warfare
High-speed Signal Test and Measurement
Security and Surveillance
