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參數(shù)資料
| 型號： | PCX-6220 |
| 英文描述： | 150A 40V QUASI-CW LASER DIODE DRIVER/PULSED CURRENT SOURCE |
| 中文描述： | 150A 40V的準連續(xù)激光二極管驅動器/脈沖電流源 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 54K |
| 代理商： | PCX-6220 |
THE PULSE OF THE FUTURE
DIRECTED
ENERGY
INCORPORATED
Output Current Up To 150A
Output Voltage Up To 40V
6kW Peak, 1.2kW
Average Output Power
Pulse Width < 50
μ
s to 20ms
5KHz Maximum Frequency
50% Maximum Duty Cycle
IEEE-488 (GPIB) and RS-232
Computer Interfaces
The PCX-6220 is an air-cooled, high power switch-mode pulsed
current source designed to drive diode lasers, bars and arrays. It
delivers current pulses variable from 1A to 150A, pulse widths
variable from <50
μ
s to 20ms, and pulse repetition frequencies
variable from single shot to 5KHz at duty cycles up to 50%.
A microprocessor-controlled front-panel and RS-232/IEEE-488
interface provide individual control of each electronic function,
while the backlit alphanumeric LCD display provides immediate
visual confirmation of all operating parameters, including output
current amplitude, pulse width, repetition frequency, duty cycle,
and error and fault messages. In addition to stand-alone
operation, the PCX-6220 can be externally triggered.
The output voltage, output current and average output power are
continuously displayed on the front panel display. Instrument-
quality analog current and voltage monitors and a
synchronization output are also provided for real-time monitoring
of the current and voltage to the laser diode.
Internal DC power supplies provide all necessary support power
for the driver, allowing operation on 90-260VAC, 50-60Hz mains.
No additional DC power supply or control pulse generator inputs
are needed, making the PCX-6220 a complete laser diode driver
solution.
Connection to the laser diode is made through an innovative rear
panel, low impedance stripline cable, designed to preserve the
fidelity of high-speed, large-amplitude current pulses. For
operator safety, the output connector is interlocked, so that the
PCX-6220 is disabled when the connector is removed.
The PCX-6220 features advanced circuitry to protect both the
diode and driver. A user-adjustable over-current limit provides a
fail-safe mechanism to prohibit the user from setting the current
amplitude setpoint above the user-controlled limit, protecting the
laser diode from accidental over-drive. An over-voltage limit
protects the diode from erroneous over-voltage conditions, and a
temperature monitor protects the driver in the event of an over-
temperature condition. At turn on, and at any time the driver is
not enabled, the PCX-6220’s output is electronically shorted to
ground, ensuring that no current flows through the diode. In
addition, the actual current through the diode is monitored in
real-time. If the actual current ever exceeds the user-adjustable
current setpoint, the driver truncates the output current pulse,
electronically shorts the output to ground, and displays an error
message on the front-panel display.
The PCX-6220 is power-factor corrected. The switch-mode
design of the current source features low internal stored energy,
and offers typical wall-plug to output connector efficiency >70%.
Safety features of the PCX-6220 include a laser enable
keyswitch, an output cable safety interlock, remote interlock, and
delayed output enable.
PCX-6220
150A 40V QUASI-CW LASER DIODE
DRIVER/PULSED CURRENT SOURCE
20% Duty Cycle.
150A, 40V Output
250
μ
s/Div
horizontal scale,
25A/Div vertical
scale
20ms Pulse, 150A, 40V Output
2.50ms/Div horizontal scale,
25A/Div vertical scale
50
μ
s Min. Pulse Width
150A, 40V Output
10
μ
s/Div horizontal scale,
25A/Div vertical scale
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