LK-NY20E K-Band Optical Transmitter
- Ultra-wideband (better than 25GHz )
- DWDM
- High-Dynamic-Range
- High output power
- Low Relative Intensity Noise (RIN)
- Multiple working modes available
- Operating case temperature:(-40℃~70℃)
- Output Optical Power Up to 10mW
Product Description
LK-NY20E K-Band Optical Transmitter is a sophisticated optical communication device that integrates high-power laser light source, ultra-wideband Lithium Niobate (LiNbO3) intensity modulator, voltage stabilization conversion circuit, driving circuit, and monitoring and indication circuit.
This transmitter is designed to output modulated optical signals at wavelengths that align with the International Telecommunication Union (ITU) standard for dense wavelength division multiplexing (DWDM). It boasts a modulation bandwidth exceeding 25GHz, enabling high-speed data transmission. The device is capable of delivering an output optical power of up to 10mW, with excellent stability in the output light wavelength.
LK-NY20E Series operates on a single positive power supply voltage, ensuring stable performance across a voltage range from +12V to +36V. Furthermore, the transmitter includes an indication function that confirms the normal operation of both the power supply and the optical power output, providing a reliable status indication for system monitoring and maintenance.
Technical Specifications
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| Storage temperature | TSTG | -55 | +25 | +85 | ℃ |
| Operation temperature | TC | -40 | +25 | +70 | ℃ |
| RF input power1 | Pin | - | +15 | +25 | dBm |
| Voltage | Vin | +12 | +12 | +36 | V |
(1) Continuous wave (CW) working mode.
Optical and Electrical Specification (TC = 22±3℃)
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Wavelength | λ | 1527.99 | - | 1563.05 | nm | ITU Standard |
| Frequency(3dB) | f3dB | 2 | - | 25 | GHz | - |
| Light output power | P | 10 | - | - | mW | - |
| Relative Intensity Noise | RIN | - | - | -155 | dBc/Hz | - |
| Return loss(VSWR) | VSWR | - | - | 2.5 | - | - |
| Input 1 dB Compression | - | +17 | - | - | dBm | - |
Power Supply (TC = 22±3℃)
| Parameter | Min. | Typ. | Max. | Unit |
| Voltage | +12 | +12 | +36 | V |
| Current(2) | 0.4 | 0.7 | 1.2 | A |
(2)Test condition:Vin=+12V.
● Typical Response Curve

Figure 1 LK-NY20E K-Band Transmitter Typical Response Curve
● Dimension Unit:mm[inch]

Figure 2 LK-NY20E Transmitter Dimension
RF Connector:SMA
Power Connector:J30J-9-ZKP
● Pin Of Power Supply
| Parameter | Description | ||||||||
| Pin | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Voltage | Vin | NC | GND | NC | |||||
● Order Information
Sheet 1:
| Symbol | Description |
| 20E | K-band External modulation transmitter |
Sheet 2:
| Code | Frequency(THz) | Wavelength(nm) | Code | Frequency(THz) | Wavelength(nm) | |
| C15 | 191.5 | 1565.50 | C39 | 193.9 | 1546.12 | |
| C16 | 191.6 | 1564.68 | C40 | 194 | 1545.32 | |
| C17 | 191.7 | 1563.86 | C41 | 194.1 | 1544.53 | |
| C18 | 191.8 | 1563.05 | C42 | 194.2 | 1543.73 | |
| C19 | 191.9 | 1562.23 | C43 | 194.3 | 1542.94 | |
| C20 | 192 | 1561.41 | C44 | 194.4 | 1542.14 | |
| C21 | 192.1 | 1560.61 | C45 | 194.5 | 1541.35 | |
| C22 | 192.2 | 1559.79 | C46 | 194.6 | 1540.56 | |
| C23 | 192.3 | 1558.98 | C47 | 194.7 | 1539.77 | |
| C24 | 192.4 | 1558.17 | C48 | 194.8 | 1538.98 | |
| C25 | 192.5 | 1557.36 | C49 | 194.9 | 1538.19 | |
| C26 | 192.6 | 1556.55 | C50 | 195 | 1537.4 | |
| C27 | 192.7 | 1555.75 | C51 | 195.1 | 1536.61 | |
| C28 | 192.8 | 1554.94 | C52 | 195.2 | 1535.82 | |
| C29 | 192.9 | 1554.13 | C53 | 195.3 | 1535.04 | |
| C30 | 193 | 1553.33 | C54 | 195.4 | 1534.25 | |
| C31 | 193.1 | 1552.52 | C55 | 195.5 | 1533.47 | |
| C32 | 193.2 | 1551.72 | C56 | 195.6 | 1532.68 | |
| C33 | 193.3 | 1550.92 | C57 | 195.7 | 1531.9 | |
| C34 | 193.4 | 1550.12 | C58 | 195.8 | 1531.12 | |
| C35 | 193.5 | 1549.32 | C59 | 195.9 | 1530.33 | |
| C36 | 193.6 | 1548.51 | C60 | 196 | 1529.55 | |
| C37 | 193.7 | 1547.72 | C61 | 196.1 | 1528.77 | |
| C38 | 193.8 | 1546.92 | C62 | 196.2 | 1527.99 |
Sheet 3:
| Symbol | Description |
| PM1 | Panda Fiber |
| PM2 | Elliptical fiber |
Sheet 4:
| Symbol | Description |
| CM | User customization |
| A | FC/APC |
Applications
Antenna&Radar
Satcom
Electronic countermeasure system
Analog RF links transmission/delay
Broadband Wireless Communication
Mobile communication base station
DWDM system
Distributed radar systems

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