Coaxial Switches

Qualwave Inc.

+86-28-6115-4929

sales@qualwave.com

www.qualwave.com

Rev 1.2

1

QMS27

DC~4GHz, SPDT

Features:

Applications:

* Low VSWR

* Wireless

* Low Insertion Loss

* Transmitter

* High Isolation

* Laboratory Test

* Radar

Electrical

Frequency:

DC~4GHz

Impedance:

50Ω

Voltage*1 (V)

28

Current (mA)

Normally Open

400

[1] The voltage can be selected according to user requirements.

TTL

Low Level

High Level

0~0.3V

3~5V

20mA

Indicators*2

Voltage (V max.) Current Capacity

(mA max.)

Impedance

(Ω)

50

100

15

[2]Connect the control terminal VDC & GND before running this function.

Mechanical

Switching Sequence:

Break before Make

Switching Time:

50mS max.

Operation Life:

1M Cycles

Vibration (operating):

20-2000Hz, 10G RMS

Mechanical Shock

(non-operating):

50G, 1/2Sine, 11mS

RF Connectors:

7/16 DIN Female

Power Supply & Control

Interface Connectors:

Feed Through/Terminal Post

or D-Sub 9

Environmental

Operating Temperature:

-25~+65

℃

Extended Temperature:

-45~+85

℃

Non-operating Temperature:

-55~+85

℃

Outline Drawings

Unit: mm [in]

Tolerance: ±0.5mm [±0.02in]

Additional Options

TTL: T

Indicators: I

Extended Temperature: Z

Positive Common

How To Order

QMS27-F-WXYZ

F: Frequency in GHz

W: Actuator Type. Normally Open: 3.

X: Voltage. +28V: M.

Y: Power Interface. Pin: 0, D-Sub: 1.

Z: Additional Options.

Examples:

To order a SPDT switch, DC-4GHz, Normally Open, +28V, D-Sub, TTL,

Indicators, specify QMS27-4-3M1TI.

Customization is available upon request.

Frequency

range (GHz)

Insertion Loss

(dB)

Isolation

(dB)

VSWR

Power

(W)

DC~1

0.3

70

1.3

4000

1~4

0.5

60

1.5

3000