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EL6202 Datasheet(PDF) 6 Page - Intersil Corporation |
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EL6202 Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 8 page 6 Typical Application Circuit Applications Information Product Description The EL6202 is a solid state, low-power, high-speed laser modulation oscillator with external resistor-adjustable operating frequency. It is designed to interface easily to laser diodes to break up optical feedback resonant modes and thereby reduce laser noise. The output of the EL6202 is composed of a push current source switched at the oscillator frequency. The output and oscillator are automatically disabled for power saving when the average input current drops to less than 100µA. The EL6202 has the operating frequency from 60MHz to 600MHz and the output current from 10mAP-P to 100mAP-P. The supply current is only 30mA (includes laser current) for the output current of 50mAP-P at the operating frequency of 350MHz. 1 2 3 5 4 VDD1 RFREQ GND IOUT IIN CONTROLLER LOOP COMPENSATION- NOISE REDUCTION CAPACITOR FREQUENCY SETTING RESISTOR EMI REDUCTION SUPPLY FILTER GAIN SETTING RESISTOR TYPICAL ROM LASER DRIVER LASER DIODE PHOTO DIODE BEAD +5V FLEX GND 0.1µF 4.7µF EMI BLOCKING RESISTOR Either the high current controller resistor can be reduced to 2mA full scale, or the transistor and resistor can be replaced with a resistor from the controller DAC. DAC LASER OUTPUT POWER LASER CURRENT 0mW ~10mW 0mA ~60mA OSCILLATOR CURRENT LASER OUTPUT POWER THRESHOLD CURRENT optional EL6202 |
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Similar Description - EL6202 |
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