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美国Optilab公司光发射器 LT-20是一款20GHz带宽光发射器模块 ,应用于光纤射频,天线遥控和宽带RF传输等主要应用,单模光纤输出。 模块使用一个低噪声,窄线宽,1550nm DFB激光二极管作为一个连续波 (CW) 光源。宽带宽铌酸锂电光调制器 (LiNbO3) 可以提供20GHz线性调制带宽,极好的调制发射设计保障了高无杂散动态范围和高输入截取点性能。
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光发射器LT-20模块使用宽带调制器驱动时可用于数据传输应用,也可以在高速射频过光纤链路应用中与LR-30系列30GHz接收器配合使用。
Feature Name | Description |
---|---|
General Specifications | |
DFB Laser Wavelength |
1550 nm ± 10 nm, Can be ordered w/ ITU wavelength |
Operational Bandwidth | 0.01 to 20 GHz |
Optical Output Level | +4 dBm to +6 dBm |
Optical Return Loss | 50 dB typ. |
Linewidth (FWHM) | 1 MHz max. |
DFB Side Mode Suppression Ratio | 50 dB typ. |
Drive Voltage (Vπ) | 7 V typ. @ 10 GHz; 5.5 V typ. @ 10 GHz (LD version) |
Relative Intensity Noise (RIN) | -145 dB/Hz max. |
Impedance | 50 Ω |
Frequency Response Flatness | ±0.5 dB in any 1 GHz bandwidth |
VSWR | 2.0 : 1 max. |
Input Damage Level | 26 dBm max. |
Link Performance with PD-30 | |
SFDR | 113 dB Hz2/3 |
Link Loss | -20 dB @ 10 dBm optical |
Mechanical Specifications | |
Operating Temperature | -40° C to +70° C |
Storage Temperature | -55° C to +85° C |
Power Supply Requirements | +12 V DC, 2 A max. |
Optical Connector | FC/APC, other optional |
RF Input Connector | K Connector Female, 50 Ω |
DC Connector | DB-15 |
Local Alarm | LED: Optional Input Power |
Remote Alarms | RS-232 Interface |
Dimensions | 208 mm x 108 mm x 30 mm |
Accessories Included | 110 V - 240 V AC Adaptor & Cable |
Housing | Precision Mach. Anodized Aluminum |
苏州纳创光电技术有限公司提供选型支持和售后服务,欢迎广大用户来电咨询0512-67626449,sales@macdigita.com