18GHz Ku-Band fiber optic mini Transmitter and Receiver set.
The transmitter is able to accept RF signals from 10mhz to 18Ghz analog or digital RF modulated signal and convert it to an optically modulated light; and the receiver converts the optical signal back to an electrical RF.
There are a lot of challenges to sending high-frequency RF over long-distance coaxial copper cable, the K-Band TX/RX allows you to send this signal over fiber from 0 to 40Km if needed.
Electrical to optical conversion is transparent, protocol or modulation independent, they work with analog or digital modulation standards.
Used for C-band, L-band, Ku-band, S-band Sattelite, cell phone 5G/4G/3G Mobile Communication, DAS or radar applications.
Applications:
5G/4G/3G Mobile Communication
Antenna remoting
Satellite communication
GPS signal transport
Pulse signal transport
Distributed antenna system
High-speed test and measurement
Video signal distribution in HFC and FTTx Nodes
Wideband wireless communication
OFDM fiber transmission
Radar over the fiber
Receiver:
Transmitter:
F-RFoF-18GHZ-Tx 18 GHz fiber optic Transmitter
F-RFoF-18GHZ-Rx 18 GHz fiber optic Receiver
| Parameter | Symbol | Condition | Min. | Max. | Unit |
| Operating Temperature | Topr | -40 | -40 | +70 | °C |
| Storage Temperature | Tstg | -40 | +85 | °C | |
| Saturation Input Power | Ps | -- | 10 | mW | |
| Forward Current | If | -- | 10 | mA | |
| Reverse Bias | Vr | PD | -- | 20 | V |
| DC Operating Voltage | Vd | +5V pin | +4.7 | +5.5 | V |
| Dark Current | Id | -- | 10 | nA | |
| Relative Humidity | Hr | -- | 95 | % | |
| Pressure | Pr | 86 | 106 | kPa | |
| ESD | Human body model | -- | Class 1B |
Receiver Electrical and Optical Characteristics
| Parameter | Symbol | Test Condition | Min | Typ. | Max | Unit |
| Wavelength Range | λ | 800 | -- | 1650 | nm | |
| Responsivity | R | 1310nm | 0.7 | 0.8 | -- | mA/mW |
| 1550nm | 0.7 | 0.85 | -- | |||
| Frequency Bandwidth | BW | RCC | 0.01 | -- | 6 | GHz |
| RXC | 0.01 | -- | 12 | |||
| RUC | 0.01 | -- | 18 | |||
| RKC | 0.01 | -- | 24 | |||
| Ripple of Passband | Flatness | RCC,0.1GHz~6GHz | -- | +1 | +1.2 | dB |
| RXC,0.1GHz~12GHz | -- | +1.2 | +1.5 | |||
| RUC,0.1GHz~18GHz | -- | +1.5 | +2 | |||
| RKC,1GHz~24GHz | -- | +1.7 | +2.5 | |||
| RF Return Loss | RL | RCC,0.1GHz~6GHz | -- | -12 | -9 | dB |
| RCC,0.1GHz~6GHz | -- | -10 | -7 | |||
| RCC,0.1GHz~6GHz | -- | -10 | -5 | |||
| RKC 0.1GHz~18GHz | -- | -10 | -5 | |||
| RKC 18GHz~24GHz | -- | -5 | -3 | |||
| Back Reflection | ORL | PD | -- | -35 | -- | dB |
| Dark Current | Id | PD | -- | 5 | 10 | nA |
| Operating Voltage | Vd | +5V Pin | +4.8 | +5 | +5.2 | V |
| Power Consumption | Pdiss | +5V power supply | -- | 25 | 50 | mW |
Receiver Fiber Specification
| Parameter | Typ. | Unit |
| Fiber Type | Single Mode | |
| Optical Connector Type | FC/APC | |
| Pigtail Length | 1 | m |
| Minimum Bend Radius | 30-2 | mm |
Receiver PIN Function
| PIN | Name | Direction | Note |
| 1 | GND | I | GND |
| 2 | +5V | I | +5V DC Power |
| 3 | RF | O | RF Out, SMA Female,50Ω |
Transmitter Absolute Maximum Ratings
| Parameter | Symbol | Condition | Min. | Max. | Unit |
| Operating Temperature | Topr | Case temperature | -40 | +70 | °C |
| Storage Temperature | Tstg | -40 | +85 | °C | |
| DC Operating Voltage | Vd | -5V | -5.5 | -4.7 | V |
| +5V | +4.7 | +5.5 | |||
| RF Input Power | Prf | Continuous | -- | 20 | dBm |
| Relative Humidity | Hr | 10 | 95 | % | |
| Atmospheric Pressure | Pr | 86 | 106 | kPa | |
| ESD | Human body model | -- | Class1A |
Transmitter Typical Specification (CWDM)
| Parameter | Test Condition | Min. | Typ. | Max. | Unit |
| Frequency Range | TSC | 0.01 ~ 3 | GHz | ||
| TCC | 0.01 ~ 6 | ||||
| TXC | 0.01 ~ 12 | ||||
| TYC | 0.01 ~ 16 | ||||
| TUC | 0.01 ~ 18 | ||||
| Optical Wavelength | λ0 is the standard CWDM wavelength | Optional | nm | ||
| Optical Wavelength Range | Operating Temperature Range | λ0-3 | λ0 | λ0+3 | nm |
| Output Optical Power | +25 | -- | 9 | -- | dBm |
| Gain (1) | Operating Temperature Range | -30 | -26 | -- | dB |
| Gain Flatness | TSC 100MHz ~ 3GHz | -- | +1.5 | +2 | dB |
| TCC 100MHz ~ 6GHz | -- | +1.5 | +2.5 | ||
| TXC 100MHz ~ 12GHz | -- | +2 | +3 | ||
| TYC 100MHz ~ 16GHz | -- | +2 | +2.5 | ||
| TUC 100MHz ~ 18GHz | -- | +2 | +3 | ||
| RF Return Loss | TSC 100MHz ~ 3GHz | -- | -15 | -10 | dB |
| TCC 100MHz ~ 6GHz | -- | -10 | -5 | ||
| TXC 100MHz ~ 12GHz | -- | -10 | -5 | ||
| TYC 100MHz ~ 16GHz | -- | -12 | -10 | ||
| TUC 100MHz ~ 18GHz | -- | -10 | -5 | ||
| Input P-1dB | 1GHz | -- | 18 | -- | dBm |
Transmitter Data Sheet
| Parameter | Test Condition | Min. | Typ. | Max. | Unit | ||
| SFDR (1) | TSC | 1GHz | 114 | 119 | -- | dB·Hz2/3 | |
| 2GHz | 112 | 116 | -- | ||||
| 3GHz | 107 | 111 | -- | ||||
| TCC | 1GHz | 110 | 118 | -- | |||
| 3GHz | 105 | 112 | -- | ||||
| 6GHz | 101 | 106 | -- | ||||
| TXC | 1GHz | 1270nm?1370nm | 110 | 118 | -- | ||
| 1530nm/1550nm | 108 | 114 | -- | ||||
| 6GHz | 1270nm?1370nm | 102 | 110 | -- | |||
| 1530nm/1550nm | 102 | 108 | -- | ||||
| 12GHz | 1270nm?1370nm | 98 | 106 | -- | |||
| 1530nm/1550nm | 94 | 100 | |||||
| TYC | 1GHz | 110 | 116 | -- | |||
| 10GHz | 105 | 112 | -- | ||||
| 16GHz | 100 | 106 | -- | ||||
| TUC | 1GHz | 108 | 114 | -- | |||
| 10GHz | 102 | 108 | -- | ||||
| 18GHz | 97 | 103 | -- | ||||
| IIP3 (1) | TSC | 1GHz | 32 | 36 | -- | dBm | |
| 2GHz | 30 | 33 | -- | ||||
| 3GHz | 27 | 30 | -- | ||||
| TCC | 1GHz | 27 | 34 | -- | |||
| 2GHz | 25 | 31 | -- | ||||
| 6GHz | 22 | 26 | -- | ||||
| TXC | 1GHz | 27 | 33 | -- | |||
| 2GHz | 24 | 30 | -- | ||||
| 12GHz | 21 | 26 | -- | ||||
| TYC | 1GHz | 28 | 32 | -- | |||
| 10GHz | 25 | 30 | -- | ||||
| 16GHz | 22 | 26 | -- | ||||
| TUC | 1GHz | 28 | 32 | -- | |||
| 10GHz | 25 | 30 | -- | ||||
| 18GHz | 22 | 27 | -- | ||||
| Noise Figure (1) | TSC | 1GHz | -- | 31 | 34 | dB | |
| 2GHz | -- | 33 | 36 | ||||
| 3GHz | -- | 37 | 40 | ||||
| TCC | 1GHz | -- | 31 | 36 | |||
| 3GHz | -- | 36 | 41 | ||||
| 6GHz | -- | 40 | 44 | ||||
| TXC | 1GHz | 1270nm/1370nm | -- | 31 | 36 | ||
| 1530nm/1550nm | -- | 35 | 39 | ||||
| 6GHz | 1270nm/1370nm | -- | 39 | 44 | |||
| 1530nm/1550nm | -- | 41 | 45 | ||||
| 12GHz | 1270nm/1370nm | -- | 41 | 47 | |||
| 1530nm/1550nm | -- | 49 | 53 | ||||
| TYC | 1GHz | -- | 32 | 37 | |||
| 10GHz | -- | 36 | 41 | ||||
| 16GHz | -- | 40 | 45 | ||||
| TUC | 1GHz | -- | 34 | 39 | |||
| 10GHz | -- | 41 | 46 | ||||
| 18GHz | -- | 46 | 50 | ||||
| Operating Current | +5V | -- | 65 | 800 | mA | ||
| -5V | -- | 70 | 100 | ||||
| Operating Voltage | +5V | +4.8 | +5 | +5.2 | VDC | ||
| -5V | -5.2 | -5 | -4.8 | ||||
Transmitter Data Sheet
| Parameter | Test Condition | Min. | Typ. | Max. | Unit | |
| Gain Flatness | TSC | 100MHz ~ 3GHz | -- | ±1.5 | ±2 | dB |
| TCC | 100MHz ~ 6GHz | -- | ±1.5 | ±2.5 | ||
| TXC | 100MHz ~ 12GHz | -- | ±2 | ±3 | ||
| RF Return Loss | TSC | 100MHz ~ 3GHz | -- | -13 | -10 | |
| TCC | 100MHz ~ 6GHz | -- | -12 | -10 | ||
| TXC | 100MHz ~ 12GHz | -- | -10 | -8 | ||
| Input P-1dB | 1GHz | -- | 18 | -- | dBm | |
| SFDR (2) | TSC | 1GHz | 112 | 118 | -- | dB·Hz2/3 |
| 2GHz | 110 | 115 | -- | |||
| 3GHz | 108 | 113 | -- | |||
| TCC | 1GHz | 112 | 118 | -- | ||
| 3GHz | 108 | 113 | -- | |||
| 6GHz | 102 | 107 | -- | |||
| TXC | 1GHz | 108 | 114 | -- | ||
| 6GHz | 101 | 106 | -- | |||
| 12GHz | 95 | 99 | -- | |||
| IIP3 (2) | TSC | 1GHz | 33 | 38 | -- | dBm |
| 2GHz | 31 | 35 | -- | |||
| 3GHz | 29 | 33 | -- | |||
| TCC | 1GHz | 33 | 38 | -- | ||
| 3GHz | 29 | 33 | -- | |||
| 6GHz | 22 | 27 | -- | |||
| TXC | 1GHz | 28 | 33 | -- | ||
| 6GHz | 24 | 28 | -- | |||
| 12GHz | 20 | 23 | -- | |||
| Noise Figure (2) | TSC | 1GHz | -- | 35 | 38 | dB |
| 2GHz | -- | 36 | 39 | |||
| 3GHz | -- | 37 | 40 | |||
| TCC | 1GHz | -- | 35 | 38 | ||
| 3GHz | -- | 37 | 40 | |||
| 6GHz | -- | 40 | 43 | |||
| TXC | 1GHz | -- | 36 | 39 | ||
| 6GHz | -- | 43 | 46 | |||
| 12GHz | -- | 48 | 51 | |||
| Parameter | Test Condition | Min. | Typ. | Max. | Unit |
| Operating Current | +5V | -- | 65 | 800 | mA |
| -5V | -- | 70 | 100 | ||
| Operating Voltage | +5V | +4.8 | +5 | +5.2 | VDC |
| -5V | -5.2 | -5 | -4.8 |
Transmitter Connector
| Type | Connector | |
| RF | TSC | SMA, 50Ω, Female |
| TCC | SMA, 50Ω, Female | |
| TXC | SMA, 50Ω, Female | |
| TYC | K Type (2.92mm, 50Ω), Female | |
| TUC | K Type (2.92mm, 50Ω), Female | |
| Optical | FC/APC (3) | |
| Optical Fiber Type | SMF-28 (Standard) (3) | |
| Power |
EMI Low Pass Filter, Feed Through Capacitor, Soldering Temperature Should not Exceed 300°C and 3s |
|
PIN Function
| PIN | Name | Direction | Note |
| 1 | +5V | I | +5V DC Power |
| 2 | -5V | I | -5V DC Power |
| 3 | GND | I | GND |
| 4 | OP | O |
Optical Power Monitor, TTL Level, Low Level(<0.4V)is Optical Power. Low, High Level(+5V)is Optical Power Normal. |
ITU C band Wavelength Code Number Table
| xx | Frequency (THz) |
Center Wavelength (nm) |
xx | Frequency | Center Wavelength (nm) |
| 17 | 191.7 | 1563.86 | 37 | 193.7 | 1547.72 |
| 18 | 191.8 | 1563.05 | 38 | 193.8 | 1546.92 |
| 19 | 191.9 | 1562.23 | 39 | 193.9 | 1546.12 |
| 20 | 192.0 | 1561.42 | 40 | 194.0 | 1545.32 |
| 21 | 192.1 | 1560.61 | 41 | 194.1 | 1544.53 |
| 22 | 192.2 | 1559.79 | 42 | 194.2 | 1543.73 |
| 23 | 192.3 | 1558.98 | 43 | 194.3 | 1542.94 |
| 24 | 192.4 | 1558.17 | 44 | 194.4 | 1542.14 |
| 25 | 192.5 | 1557.36 | 45 | 194.5 | 1541.35 |
| 26 | 192.6 | 1556.55 | 46 | 194.6 | 1540.56 |
| 27 | 192.7 | 1555.75 | 47 | 194.7 | 1539.77 |
| 28 | 192.8 | 1554.94 | 48 | 194.8 | 1538.98 |
| 29 | 192.9 | 1554.13 | 49 | 194.9 | 1538.19 |
| 30 | 193.0 | 1553.33 | 50 | 195.0 | 1537.40 |
| 31 | 193.1 | 1552.52 | 51 | 195.1 | 1536.61 |
| 32 | 193.2 | 1551.72 | 52 | 195.2 | 1535.82 |
| 33 | 193.3 | 1550.92 | 53 | 195.3 | 1535.04 |
| 34 | 193.4 | 1550.12 | 54 | 195.4 | 1534.25 |
| 35 | 193.5 | 1549.32 | 55 | 195.5 | 1533.47 |
| 36 | 193.6 | 1548.51 | 56 | 195.6 | 1532.68 |
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