Products > Receiver Product and Control Components

SPST Switches up to 150 GHz

Updated: March 2020

Features
Low insertion losses High isolation Low cost	Fast switching time More than 10% bandwidth operation Easy to use
Applications
Radars Fast protection system AM of microwave signals Lock-in detection systems
Description
ELVA-1 series of fast SPST switches is built on slim film PIN diodes. Built-in driver provides switching time 4-6 ns and unique technology allows to get more than 10% operation with small insertion losses and isolation more than 30 dB.

Specifications

MODEL NUMBER	SPST-42	SPST-28	SPST-22	SPST-19	SPST-15	SPST-12	SPST-10	SPST-08	SPST-06
Frequency Band	K	Ka	Q	U	V	E	W	F	D
Central frequency within a range, GHz	18-26.5	26-40	33-50	40-60	50-75	60-90	75-110	90-140	110-150
Operating bandwidth*, GHz	2	2	2	2	3	3	3	4	4
Insertion Loss, dB (typ)	0,7	0,7	0,8	0,8	0,8	1,0	1,0	1,5	1,5
Isolation**, dB (min)	30	30	30	30	30	30	30	30	30
Peak Power, W(max)	1,0	1,0	1,0	1,0	1,0	1,0	1,0	1,0	0,8
Switching Time, ns***	4-6	4-6	4-6	4-6	4-6	4-6	4-6	4-6	4-6
Control signal	TTL
Control input impedance	50 Ohm
Power Supply	+5 V DC, -9 V DC

* Models with operating bandwidth > 10% of central frequency are available upon request

** A double stage switch can be produced upon request. This configuration provides >50 dB isolation.

*** Guaranteed Rise Time 0 to 90% RF, and Fall Time 100% to 10% RF.

Typical data for different models of SPST switches are presented below:

How to order

Specify Model Number SPST-XX/AA/BB, where

XX - waveguide band (WR-Number)

AA – center operation frequency (Fc), GHz

BB – operation bandwidth (Fc±BB/2), GHz

Example: SPST-10/94/04 indicates WR-10 band, Fc= 94 GHz, Operation bandwidth 4 GHz (94 GHz ± 2 GHz)