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MA44621A

Description
Step Recovery Diodes
File Size318KB,5 Pages
ManufacturerMACOM
Websitehttp://www.macom.com
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MA44621A Overview

Step Recovery Diodes

MA43000, MA44600 Series
Silicon Step Recovery Diodes
Rev. V5
Features
Low Transition Times
Tight Capacitance Ranges
High Voltage and Low Thermal Resistance for
Higher Input Power
Lead-Free (RoHS* Compliant)
Absolute Maximum Ratings
1
@ T
A
=+25 °C (Unless Otherwise Noted)
Parameter
Operating Range
Storage Range
Absolute Maximum
-65°C to +175°C
-65°C to +200°C
Description and Applications
The MA44600 series of Step Recovery diodes is de-
signed for use in low and moderate power multipliers
with output frequencies of up to 20 GHz. These Step
Recovery diodes generate harmonics by storing a
charge as the diode is driven to forward conductance
by the positive voltage of the input signal. When the
signal reverses polarity, this charge is extracted. The
Step Recovery diode will appear as a low impedance
current source until all the charge is extracted, then it
will “snap” to a higher impedance. This causes a volt-
age pulse to form in the impulse circuit of the multiplier.
Step Recovery diodes make excellent high order multi-
pliers such as comb generators. They are also useful
as efficient moderate power X2- X4 multipliers.
1. Operation of this device above any one of these parameters
may cause permanent damage.
Typical Case Styles
ODS-30
ODS-134
DIE
ODS-91
ODS-103
ODS-93
Maximum and Suggested Values of Snaptime (Ts)
vs. Multiplier Output Frequency
High Order Narrow Band Moderate Power Multipliers
(MA44600 series)
Comb Generators
(MA43592, MA43543)
High Power Circuit Tested Multiplier
(MA43000 Series)
Environmental Performance
The MA44600 and MA43000 series of diodes in ce-
ramic packages are capable of meeting the tests dic-
tated by the methods and procedures of the latest revi-
sions of MIL-S- 9500, MIL-STD-202 and MIL-STD-750
which specify mechanical, electrical, thermal and other
environmental tests common to military semiconductor
products
.
Suggested Junction Capacitance vs. Multiplier
Output Frequency
Environmental Ratings PER MIL-STD-750
Storage Temperature
Temperature Cycle
Shock
Vibration
Constant Acceleration
Humidity
Method
1031
1051
2016
2056
2006
1021
Level
See maximum ratings
10 cycles, -65°C to +175°C
500 g’s
15 g’s
20,000 g’s
10 days
Specifications Subject to Change Without Notice.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
North America
Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
1
changes to the product(s) or information contained herein without notice.

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