ma-400-63 Lorch Microwave, ma-400-63 Datasheet

ma-400-63

Manufacturer Part Number

ma-400-63

Description

Manual Attenuators

Manufacturer

Lorch Microwave

Datasheet

1.MA-400-63.pdf (2 pages)

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Notes:

1) Operating temperature range: -55°C to +85°C

2) Maximum RF power (all models): 0.5 Watt

The units listed are designed to provide optimum performance over the full frequency range listed. If the band of interest is narrower than listed, it should be

indicated when ordering (See “Creating a Part Number”). Performance will be optimized over the band of interest and improved performance may be offered.

Part Number

MA-400-60

MA-400-62

MA-400-63

MA-200-60

MA-200-61

MA-200-62

MA-200-63

DC-400 MHz Frequency Range

0-20 dB Attenuation

Infinite Resolution

PC-Mount and Connectorized

Manual Attenuators

1725 N. Salisbury Blvd. · PO Box 2828 · Salisbury, MD 21802

Ph. 800-780-2169, 410-860-5100 · Fax 410-860-1949

Web http://www.lorch.com · E-mail lorchsales@lorch.com

Frequency

DC-200

DC-400

(MHz)

Range

Performance

Bandwidth

200-400

100-200

DC-100

(MHz)

50-100

DC-50

Attenuation

Range

(dB)

0-23

0-20

0-15

0-20

0-15

0-10

miniature components which may be adjusted manually

by mechanical rotation to provide a useful range of smoothly

variable attenuation over the frequency range DC to 400

MHz, with low VSWR and low minimum insertion loss.

These manual attenuators are ideal for applications where

the gain of one or more channels must be set or equalized

with precision. Styles 60 and 62 are packaged with pins for

PC board mounting, the control shaft being equipped with

a screw driver slot and restrained by a shaft locking device.

The style 61 and 63 packages have RF connectors and are

provided with a screw driver adjustment.

Package styles 60 and 62 are intended primarily for chassis

mounting within equipment where an initial setting will

remain untouched except for an occasional readjustment.

Package styles 61 and 63 are used in applications requiring

frequent manual adjustment, for example when they are

front panel mounted.

These attenuators use resistive network elements and thus

cause no signal distortion. They are carefully compensated

for side bandwidth and are highly stable with time, humid-

ity and temperature. They will remain at a preset attenua-

tion value for a long period of time.

orch Microwave’s MA-Series, Manual Attenuators, are

Insertion

Loss

(dB)

0.7

0.9

1.0

1.2

2.2

VSWR

1.25:1

1.3:1

1.4:1

1.3:1

1.5:1

2.0:1

Package

Style

Related parts for ma-400-63

ma-400-63 Summary of contents

Page 1

... MA-200-63 .............................................................................................................................................................................................. MA-400-60 DC-400 MA-400-62 MA-400-63 Notes: 1) Operating temperature range: -55°C to +85°C 2) Maximum RF power (all models): 0.5 Watt The units listed are designed to provide optimum performance over the full frequency range listed. If the band of interest is narrower than listed, it should be indicated when ordering (See “Creating a Part Number”). Performance will be optimized over the band of interest and improved performance may be offered. ...

Page 2

... Creating a Part Number Lorch Microwave’s MA-Series, Manual Attenuators, have descriptive part numbers indicating important electrical characteristics that define the unit. A list of “standard” Attenuators is given in the preceding sections. For speci- fications outside these operating parameters, please contact the factory. STYLE 60 ...

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