Datasheet > AS239-12

AS239-12

更新时间： 2024-11-07 23:31:23

品牌	Logo	应用领域
其他 - ETC		开关射频微波光电二极管
页数	文件大小	规格书
2页	28K
描述
SPDT RF Reflective Switch

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AS239-12 数据手册

GaAs IC SPDT Reflective Switch DC–2.5 GHz

AS239-12

Features

SOIC-8

■ Low Insertion Loss (0.4 dB @ 1 GHz)

PIN 8

0.050 (1.27 mm) BSC

■ High Isolation (35 dB @ 1 GHz)

■ General Purpose Switching

0.244 (6.20 mm)

0.228 (5.80 mm)

PIN 1

INDICATOR

Description

0.020 (0.51 mm) MAX.

PIN 1

The AS239-12 is a low cost IC FET SPDT reflective switch

in a plastic SOIC-8 package for commercial low cost, low

power applications.The switch operates with -5 V, 0 V or

operates with +5 V, 0 V when device is “floated” as shown

on following page. This general purpose SPDT switch is

used in many commercial telecommunication applications.

0.016 MAX.

(0.41 mm) x

45˚ CHAMFER

0.049

(1.24 mm)

0.016

0.068

(1.73 mm) MAX.

(0.41 mm)

8˚

MAX.

0.197 (5.00 mm)

0.189 (4.80 mm)

0.158 (4.00 mm)

0.150 (3.80 mm)

0.010 (0.25 mm)

0.007 (0.17 mm)

0.010 (0.25 mm)

0.004 (0.10 mm)

Electrical Specifications at 25°C (0, -5 V)

Parameter

Frequency

Min.

Typ.

Max.

Unit

Insertion Loss

DC–0.1 GHz

DC–0.5 GHz

DC–1.0 GHz

DC–2.0 GHz

DC–2.5 GHz

0.3

0.4

0.5

0.7

0.6

0.7

0.8

0.9

Isolation

DC–0.1 GHz

DC–0.5 GHz

DC–1.0 GHz

DC–2.0 GHz

DC–2.5 GHz

VSWR

DC–2.0 GHz

DC–2.5 GHz

1.2:1

1.5:1

Operating Characteristics at 25°C (0, -5 V)

Parameter

Condition

Frequency

Min.

Typ.

Max.

Unit

Switching Characteristics

Rise, Fall (10/90% or 90/10% RF)

On, Off (50% CTL to 90/10% RF)

Video Feedthru

Input Power for 1 dB Compression

Intermodulation Intercept Point (IP3)

Control Voltages

0.5–2.0 GHz

0.05 GHz

+27

+21

dBm

For Two-tone Input Power +5 dBm

0.5–2.0 GHz

0.05 GHz

+46

+40

dBm

= 0 to -0.2 V @ 20 µA Max.

Low

= -5 V @ 20 µA to -7 V @ 200 µA Max.

High

1. All measurements made in a 50 Ω system, unless otherwise specified.

2. DC = 300 kHz.

3. Insertion loss changes by 0.003 dB/°C.

4. Insertion loss state.

5.Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.

Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com

Specifications subject to change without notice. 3/99A

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