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EL6207 pdf datasheet (Dual Las

消耗积分:2 | 格式:rar | 大小:433 | 2009-01-16

杨福林

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The EL6207 is a dual push-pull
oscillator used to reduce laser noise. It
is optimized for 350MHz operation,
allowing reduced concern for harmonic EMI. It uses the
standard interface to existing ROM controllers. The
frequency and amplitude are each set with a separate
resistor connected to ground, for each output. The tiny
package and harmonic reduction allow the part to be placed
close to a laser with low RF emissions.
If the voltage at both IOUT pins is less than 1.0V, the chip will
be powered down and not oscillate. If the voltage at either
IOUT pin is above 1.4V, the chip will be powered up and
oscillating. If both IOUT pins are above 1.4V, the chip will
also be powered down, and not oscillate.
The current drawn by the oscillator consists of a small utility
current, plus the peak oscillator amplitude in the positive
cycle, which is routed to the enabled IOUT pin. In the
negative cycle the oscillator subtracts peak oscillator
amplitude from the laser APC current.
The part operates from a single 5V supply, and is specified
for operation from 0°C to +85°C.
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