PVX-4140 데이터 시트보기 (PDF) - Directed Energy, Inc. An IXYS Company

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PVX-4140

±3,500V PULSE GENERATOR

Directed Energy, Inc. An IXYS Company 

THE PULSE OF THE FUTURE

SPECIFICATIONS (All specifications measured into a 50pF load connected with 6 feet (~1.8M) of RG-59 (75Ω) coaxial cable)

OUTPUT

Maximum Value:

Minimum Value:

±3500 Volts (VHigh - VLow)

0 Volts

Means Of Adjustment:

Controlled By Power Supply Input Voltages

Pulse Rise And Fall Time:

Pulse Width:

Pulse Recurrence

Frequency (PRF):

Max. Average Power:

Max. Duty Cycle:

≤25ns (10% to 90%)

≤60ns to DC, Controlled by Input Gate

Single shot to 30KHz at 3500V continuous output,

maximum limited by power dissipation (1), 5MHz Burst,

Controlled by Input Gate

100W (VHigh + VLow) (1)

Continuous

Droop:

<1%

Over/undershoot:

<5%

Throughput Delay

120ns Typical

Jitter:

<200ps shot-to-shot

Output Connector & Cable: SHV, With 6 feet (~1.8M) RG-59 (75Ω) Coaxial Cable

INPUT DC VOLTAGE +VIN (VHigh)

Absolute Max. Value:

+3500 Volts

Absolute Min. Value:

-3500 Volts

Relative Max. Value:

Relative Min. Value:

+3500 Volts over VLow Voltage

+0V Over VLow Voltage

INPUT DC VOLTAGE -VIN (VLow)

Absolute Max. Value:

+3500 Volts

Absolute Min. Value:

-3500 Volts

Input DC Connectors:

SHV, Rear Panel (One each for +VIN and -VIN)

GATE

Gate Source & Connector

TTL into 50Ω, into BNC connector on the end panel

VOLTAGE & CURRENT MONITORS

Voltage Monitor:

Current Monitor:

1000:1 into 1 MegΩ, BNC connector

10A/V into 50Ω, BNC connector

60ns Minimum Pulse Width, 3500V Output

(25ns/Div horizontal scale, 500V/Div vertical scale)

25ns Rise & Fall Times, 3500V Output

(50ns/Div horizontal scale, 500V/Div vertical scale)

Typical Output Waveform, 3500V

(100µs/Div horizontal scale, 500V/Div vertical scale)

GENERAL

Support Power:

90VAC to 240VAC, 50/60Hz

Dimensions (Excluding Con- 19” W x 5.2” H x 13” D (48.25cm W x 13.2cm H x 33cm

nectors):

D)

Weight (Approximate):

18 lbs. (8.2 Kilograms)

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

These specifications are measured driving a 50pF load connected with 6 feet of RG-59 cable, at

3500V output. However the PVX-4140 can drive loads of a few picofarads to several hundred

picofarads of capacitance, limited by its maximum power dissipation capability(1) . At lower load

capacitances and/or voltages less then 3500V, the PVX-4140 can operate at continuous pulse

recurrence frequencies up to 400KHz. The PVX-4140 can also drive resistive or inductive loads,

within limitations. Contact DEI for additional information and applications assistance.

(1) The power dissipated in the PVX-4140 when driving a capacitive load is defined by the for-

mula CV2F, where C is the total load capacitance, including the capacitance of the load, inter-

connect cable, and the internal capacitance of the PVX-4140, V is the pulse voltage, and F is

the pulse repetition frequency (or the total pulses per second). (For these calculations, the inter-

nal capacitance of the PVX-4140 is 120pF, and RG-59 cable is 21.5pf/foot.) Given the maximum

dissipation of 100W, the maximum load capacitance, frequency and/or voltage at which the

PVX-4140 can operate can be approximated using this formula. This formula also approximates

the high voltage power supply requirements needed to drive a given load at a specific voltage

and frequency. This formula is not applicable when driving resistive or inductive loads.

>5MHz Burst Frequency, 3000V Output

(250ns/Div horizontal scale, 500V/Div vertical scale)

Doc #9200-0213 Rev 5

© Directed Energy, Inc. 2000

Directed Energy, Inc.

An IXYS Company

2401 Research Blvd., Suite 108

Fort Collins, CO USA 80526

970-493-1901 Fax: 970-493-1903

Email: deiinfo@directedenergy.com

Web: http://www.directedenergy.com

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