ECHO RF Solution provides high-performance InGaAsP/InP MQW-DFB laser diodes for fiber optic communication systems. They offer low threshold current, high efficiency, and support CW or pulsed operation up to 2.5 GHz. Compact and reliable, these LDs are ideal for CATV, CCTV, repeater, and fiber optic sensor applications.
| Parameter | Specification |
|---|---|
| Laser Peak Wavelength (Unit:nm) | 1310/ 1330/ 1510/ 1530/ 1550/ 1570/ 1590 |
| Spectral width | ＜1nm(-20db) |
| Normal output power, Pf | >3mW |
| Optical isolation of output isolator | >30dB |
| Parameter | Specification |
|---|---|
| Operating voltage | ＜2V @ Pf=3mW |
| Operating current | ＜100mA @ Pf=3mW |
| Threshold current | ＜20mA |
| Slope efficiency | 0.05＜η＜0.25 W/A (Sumitomo Laser Diode) |
| Series Resistance | 4＜RLD＜8Ω |
| Bandwidth | >2.5GHz, -3dB |
| Relative Intensity Noise, RIN | -158dBm/Hz at 800MHz, -154dBm/Hz at 1.6GHz, -150dBm/Hz at 2.2GHz |
| 3rd Order Inter Modulation | Under -63dBc at 2.2GHz |
| Parameter | Specification |
|---|---|
| Monitor | 0.1＜η＜1.2 mA @ Pf =3mW, VRPD =5V |
| Operating current | ＜0.1uA |
| Threshold current | ± 1dB, -25 to +85°C referenced to Pf =3mW @ +25°C |
SAFETY INFORMATION ON THIS PRODUCT 1. Even though barely visible to the human eye, laser beam can be harmful to the eye. Do not look at the beam though lenses when the diode is activated 2. When adjusting the optical axis or making similar adjustments,we recommend that be sure to wear protective glasses 3. A glass-fiber is attached on the product, Handle with care
A photo diode (PD) is a high-speed InGaAs detector that converts optical signals into electrical current with excellent linearity and low noise. Widely used in RF and fiber-optic systems, it ensures stable performance and high responsivity across 910–1650 nm.
| Parameter | Specification |
|---|---|
| Wavelength | 1100~1700nm |
| Dark current | < 1nA (@ Vr=5V) |
| Reverse Breakdown Voltage | 30V (@ lrd=100uA) |
| Capacitance | < 1pF (@ Vr=5V) |
| Frequency Response | 1~3000MHz (@ -3dB, Vr=5V) |
| Parameter | Specification |
|---|---|
| Responsivit | >0.85mA/mW @ 1310nm >0.9mA/mW @ 1550nm |
| Back Reflection | < -45dB |
| Detection Range | 1100nm to 1700nm ( @ Vr=5V) |
| Operating Temperature | -25~75℃ |
1. Fiber length in assembly
2. Optical Fiber(Single mode) : According to ITU-T G.652.A or better (For example Corning SMF-28e)
3. Optical Connector : SC/APC
4. Customizing Design According to Customer Reques
SAFETY INFORMATION ON THIS PRODUCT 1. Even though barely visible to the human eye, laser beam can be harmful to the eye. Do not look at the beam though lenses when the diode is activated 2. When adjusting the optical axis or making similar adjustments,we recommend that be sure to wear protective glasses 3. A glass-fiber is attached on the product, Handle with care
The FSK (Frequency Shift Keying) Modem is a high-performance, compact transceiver designed for reliable RF data communication. Supporting data rates up to 1920 bps, it ensures stable transmission output and exceptional sensitivity, making it ideal for low-bit-rate control and monitoring systems. Its robust design enables consistent performance in demanding environments such as fiber optic repeater systems, RF repeater systems, and remote monitoring and control applications.
| Parameter | Specification | ||
|---|---|---|---|
| Frequency | TX 29.9 / RX 26.9 MHz | ||
| TX 26.9 / RX 29.9MHz | |||
| Receiver | Sensitivity | -10~ -75dBm | |
| Frequency Deviation | 40KHz / ±15 KHz | ||
| Spurious | 2nd Harmony | -60dBc min. | |
| 3rd Harmony | -70 dBc min | ||
| Transmitter | Output Power | -10 ±2dBm | |
| Frequency Shift | H:fo+20 / L:fo-60 KHz | ||
| ±5kHz | |||
| Input Power | 5±0.2V / 30mA | ||
| Data rate | 19200bps | ||
| Impedance | 50Ω +/-(j)20 | ||
| Operating Temperature Range | -30 ~ +80℃ | ||
| Storage Temperature Range | -35 ~ +90℃ | ||
Test conditions: After termination, the above data are measured. 1. Sensitivity will be -73±3 dBm if there's no special request. 2. Data Rate will be 19200bps if there's no special request.
The CWDM/WDM module is a high-performance optical component designed for efficient wavelength multiplexing and demultiplexing in fiber communication systems. It offers high isolation, low insertion loss, and a wide wavelength range, ensuring excellent signal integrity across multiple channels. Customizable coupling ratios and pre-connectorized output options provide flexibility for various system configurations. Engineered for reliability and scalability, the CWDM/WDM module is ideal for fiber optic repeater systems, access and metro networks, CATV/CCTV/PTTH applications, and optical test equipment.
| Port | Insertion Loss | Isolation |
|---|---|---|
| 1310 | 1.3 | >30 |
| 1330 | 1.2 | >15 |
| 15xx | 0.7 | >17 |
| Port | Insertion Loss | Isolation |
|---|---|---|
| 1310 | 0.7 | >17 |
| 15xx | 0.7 | >17 |
| OCW82 | PORT | Insertion Loss |
|---|---|---|
| 20%PORT | 7.9 | |
| 80%PORT | 1.2 | |
| OCW73 | PORT | Insertion Loss |
| 30%PORT | 6.0 | |
| 70%PORT | 1.9 | |
| OCW64 | PORT | Insertion Loss |
| 40%PORT | 4.7 | |
| 60%PORT | 2.7 | |
| OCW55 | PORT | Insertion Loss |
| 50%PORT | 3.6 | |
| 50%PORT | 3.6 |