Coaxial Switches

Qualwave Inc.

+86-28-6115-4929

sales@qualwave.com

www.qualwave.com

Rev 1.5

1

QMS8N

DC~8GHz, SP7T~SP8T

Features:

Applications:

* Low VSWR

* Wireless

* Low Insertion Loss

* Transmitter

* High Isolation

* Laboratory Test

* Radar

Electrical

Frequency:

DC~8GHz

Impedance:

50Ω

Voltage*1 (V)

12

24

28

Current (mA) Normally Open

300

150

140

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

TTL

Low Level

High Level

0~0.3V

3~5V

1.4mA

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

Size*3:

76.2*76.2*81.5mm

3*3*3.209in

Switching Sequence:

Break before Make

Switching Time:

15mS max.

Operation Life:

2M Cycles

Vibration (operating):

20-2000Hz, 10G RMS

Mechanical Shock

(non-operating):

50G, 1/2sine, 11mS

RF Connectors:

N Female

Power Supply & Control

Interface Connectors:

D-Sub 15/26 Male

Mounting:

4-Φ4.5mm through hole

[3] Exclude connectors.

Environmental

Operating Temperature:

-25~+65

℃

Extended Temperature:

-45~+85

℃

Non-operating Temperature:

-55~+85

℃

Outline Drawings

Unit: mm [in]

Tolerance: ±0.5mm [±0.02in]

*No indication, control interface DB15 Male.

Additional Options

TTL: T

Indicators: I

Extended Temperature: Z

Positive Common

How To Order

QMSVN-F-WXYZ

V: 7~8 (SP7T~SP8T)

F: Frequency in GHz

W: Actuator Type. Normally Open: 3.

X: Voltage. +12V: E, +24V: K, +28V: M.

Y: Power Interface. D-Sub: 1.

Z: Additional Options.

Examples:

To order a SP8T switch, DC-8GHz, Normally Open, +12V, D-Sub, TTL,

Indicators, specify QMS8N-8-3E1TI.

Customization is available upon request.

Frequency

range (GHz)

Insertion Loss

(dB Max.)

Isolation

(dB Max.)

VSWR

(Max.)

Power

(W)

DC~5

0.3

70

1.3

350

5~8

0.5

60

1.5

300