PPM’s point2point DC analogue fibre optic links operate from DC to up to 2.5MHz, 20MHz or 40MHz.
- high performance analogue instrumentation system.
- solves the problem of electrical interference
- high voltage isolation in signal monitoring and distribution.
Point2point uses direct intensity modulation to transfer signals between the electrical and optical domain. No digitization or modulation takes place, therefore the link is transparent to almost any data format or signal type.
DC Fibre Optic Links SpecificationsSpecifications quoted at 25°.
Rows occupied by a single entry refer to all links.
|DC Coupled Links||2.5 MHz||20 MHz||40 MHz|
|Gain Flatness||+/-0.5dB to 1MHz||+/-0.25dB to 2MHz||+/-0.25dB to 10MHz|
|+/-1dB to 2MHz||+/-1dB to 15MHz||+/-1dB to 30MHz|
|+/-3dB to 2.5MHz||+/-3dB to 20MHz||+/-3dB to 40MHz|
|Output Noise... (Full Band, all values are Vrms)|
|...For +/-2V output||0.3mV (0.02% FS)||0.8mV (0.06% FS)||0.7mV (0.05% FS)|
|...For +/-10V output||1.5mV (0.02% FS)||N/A||N/A|
|Signal latency (1M fibre)||350ns||280ns||210ns|
|Transmitter input impedance||1MΩ / 25pF typ.|
|Receiver output impedance||50Ω @ ±2V standard|
|300Ω @ ±10V optional (2.5MHz limited)|
|Output DC offset (worst case over whole output range)||<0.3% of FSD||<0.3% of FSD||<0.3% of FSD|
|Non-linearity||0.1% of FSD||0.1% of FSD||0.06% of FSD|
|Operating temperature||-20 to +60°C|
|Optical path length (singlemode)||<1m to 10km|
|Electrical Connectors||BNC 50Ω|
|Optical Connectors||Singlemode: FC/APC|
|Current Consumption @ 12V: TX||<240mA||<240mA||<210mA|
|Current Consumption @ 12V: RX||<350mA||<315mA||<280mA|
|Front Panel Indication: Transmitter Module||Power supply status & ADC overflow|
|Front Panel Indication: Receiver Module||Power supply status & Link Lock status|