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HY-60 の電気的特性と機能

HY-60のメーカーはPerkinElmer Optoelectronicsです、この部品の機能は「Thyratrons」です。


製品の詳細 ( Datasheet PDF )

部品番号 HY-60
部品説明 Thyratrons
メーカ PerkinElmer Optoelectronics
ロゴ PerkinElmer Optoelectronics ロゴ 




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HY-60 Datasheet, HY-60 PDF,ピン配置, 機能
Lighting
Imaging
High Energy Switches
Thyratrons
Telecom
Description
Thyratrons are fast acting high
voltage switches suitable for a
variety of applications including
radar, laser and scientific use.
PerkinElmer’s thyratrons are
constructed of ceramic and
metal for strength and long life.
Over 300 thyratron types are
available from PerkinElmer. The
types listed in this guide are a
cross section of the broad line
available. We encourage
inquiries for thyratrons to suit
your particular application.
Features
Wide operating voltage range
High pulse rate capability
Ceramic-metal construction
High current capability
Long life
www.perkinelmer.com/opto
.

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HY-60 pdf, ピン配列
grid driver circuit design, and the
performance required from the
thyratron itself. Contact the appli-
cations engineering department at
PerkinElmer to discuss the spe-
cific details of your requirement.
Conduction
Once the commutation interval
has ended, a typical hydrogen
thyratron will conduct with near-
ly constant voltage drop on the
order of 100 volts regardless of
the current through the tube.
Recovery can also be improved
by arranging to have small nega-
tive voltage on the anode after
forward conduction has ceased.
In many radar circuits, a few-per-
cent negative mismatch between
a pulse-forming network and the
load ensures a residual negative
anode voltage. In laser circuits,
classical pulse-forming networks
are seldom used, so inverse
anode voltage may not be easily
generated. Recovery then strong-
ly depends on the characteristics
of the anode charging circuit. In
general, charging schemes
involving gently rising voltages
(i.e., resonant charging and ramp
charging) favor thyratron recov-
ery, and therefore allow higher
pulse repetition rates. Fast ramp-
ing and resistive charging put
large voltages on the anode
quickly, thus making recovery
more difficult. The ideal charging
scheme from the viewpoint of
thyratron recovery is command
charging, wherein voltage is
applied to the thyratron only an
instant before firing.
Recovery
Thyratrons open (recover) via
diffusion of ions to the tube inner
walls and electrode surfaces,
where the ions can recombine
with electrons. This process takes
from 30 to 150 microseconds,
depending on the tube type, fill
pressure, and gas (hydrogen or
deuterium). The theoretical maxi-
mum pulse repetition rate is the
inverse of the recovery time.
GRID DRIVER
CIRCUIT
GRID SPIKE
SUPPRESSION CIRCUIT
CURRENT LIMITING AND/OR
MATCHING RESISTOR
Figure 3. Grid Circuit
Recovery can be promoted by
arranging to have a small nega-
tive DC bias voltage on the con-
trol grid when forward conduc-
tion has ceased. A bias voltage of
50 to 100 volts is usually suffi-
cient.
(a)
Filter
(b)
Zener
(c)
MOV
(d)
Spark Gap
Figure 4. Typical Grid Spike Suppression Circuits


3Pages


HY-60 電子部品, 半導体
Marking
PerkinElmer’s trademark, part designation, and date code.
PerkinElmer welcomes inquiries about special types. We would be pleased to discuss the requirements
of your application and the feasibility of designing a type specifically suited to your needs.
For more information email us at [email protected] or visit our web site at www.perkinelmer.com/opto
Note: All specifications subject to change without notice.
USA:
PerkinElmer Optoelectronics
35 Congress Street
Salem, MA 01970
Toll Free: (800) 950-3441 (USA)
Phone: (978) 745-3200
Fax: (978) 745-0894
.
© 2001 PerkinElmer, Inc. All rights reserved.
DS-247 Rev A 0901
www.perkinelmer.com/opto

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