Datasheet > 85-20-21

85-20-21

更新时间： 2024-11-05 10:18:15

品牌	Logo	应用领域
APITECH		/
页数	文件大小	规格书
1页	135K
描述
Fixed Attenuator, 0MHz Min, 18000MHz Max

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85-20-21 数据手册

Models 85 & 86

Medium Power Fixed Coaxial Attenuators

dc to 18.0/22.0 GHz

50 Watts

Conduction Cooled, 3.5mm or TNC Connectors

WEIGHT:

Model 85: 68 g (2.4 oz.) maximum

Model 86: 60 g (2.1 oz.) maximum

PHYSICAL DIMENSIONS:

Model 85 (TNC):

Model 86 Shown!

Features

Compact Construction - Lowest size/power ratio.

Precision Connectors with high temperature

support beads.

Designed to meet environmental requirements of

MIL-A-3933.

Ideal for Airborne or Space Applications.

Specifications

NOMINAL IMPEDANCE: 50 Ω

FREQUENCY RANGE: Model 85:

dc to 18.0 GHz

dc to 22.0 GHz

Model 86:

Connector

TNC Male

TNC Female

DIM A

18.4+0.25 (0.744+0.01)

13.8+0.25 (0.546+0.01)

MAXIMUM DEVIATION OVER FREQUENCY:

Nominal ATTN (dB)

Deviation (dB)

Model 86 (3.5mm):

3, 6, 10, 20, 30

+ 0.70

+ 0.80

MAXIMUM SWR:

Frequency (GHz)

dc - 18.0

dc - 22.0

Model

SWR

1.30

POWER RATING 50 watts average (unidirectional),

1 kilowatts peak (5 µsec pulse width; 0.5 % duty cycle) with

case temperature held within 90 °C maximum with appro-

priate conductive heat sink. Maximum power rating into

output port is 10% of the average power rating.

POWER COEFFICIENT: <0.0006 dB/dB/watt

TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C

TEMPERATURE RANGE: -55°C to 90°C (case)

Connector

3.5mm Male

3.5mm Female

DIM A

13.4+0.5 (0.53+0.02)

9.9+0.5 (0.32+0.02)

CONNECTORS: Model 85: TNC connectors mate nonde-

NOTE: All dimensions are given in mm (inches) and are

nominal, unless otherwise specified.

structively with MIL-C-39012 connectors.

MODEL NUMBER DESCRIPTION:

Example:

Model 86: 3.5mm connectors - mate nondestructively with

SMA per MIL-C-39012, 2.92mm and other 3.5mm connec-

tors.

86 - XX - XX

86 Options

Description

3.5mm Female

3.5mm Male

85 Options

Description

TNC Female

TNC Male

Attenuation

Value (dB)

Connector Options

1st digit is input side

2nd digit is output side

Basic

Model

Number

CONSTRUCTION:

Aluminum body, stainless steel

connectors; gold plated beryllium copper contacts.

1/13/01

5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116

web: www.weinschel.com email: sales@weinschel.com

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