M A COM SW-137 Datasheet

GaAs SPDT Reflective Switch

0.0 1- 3 GHz

Features

●

Isolation: 48dB Typ. at 1 GHz

●

High Intercept Point Over Wide Bandwidth

●

Trise, Tfall: 5 nS Typ.

●

DIP Package

●

Integral TTL Driver (CMOS Compatible)

●

50Ω Nominal Impedance

Description

M/A-COM's SW-137 is a GaAs MMIC SPDT reflective switch

DI-1

0.018 ±0.005
(0.46 ±0.13) DIA.
14 PINS

CTL

RF 2

0.87

(22.1 6 0.5)

RF 1

0.100
(2.5) TYP

– +

SW-137

0.200
(5.1) MAX

0.120
(3.0) MIN

V2.00

with an integral Silicon ASIC driver. This device is in a 14-lead
DIP package. These switches offer high intercept points
over a wide bandwidth of operation, while maintaining low

0.300
(7.6)

0.50

(12.7 6 0.5)

DC power dissipation. These switches exhibit excellent per­formance and repeatability from 0.01 to 3.0 GHz. The SW-137
is ideally suited for RF/IF communications applications.
Contact the factory for environmental screening.

Electrical Specifications1, T

Parameter Test Conditions Units Minimum Typical Maximum

Reference Insertion Loss .01 - 0.5 GHz dB 0.9

Isolation .01 - 0.5 GHz dB 48

VSWR .01 - 0.5 GHz 1.25:1

Trise, Tfall 10% to 90% nS 5

Ton, Toff 50% Control to 90%/10% RF nS 22

Transients In-band (peak-peak) mV 45

1 dB Compression 0.01 - 3.0 GHz dBm +25

Input IP

3

Input IP

2

V

CC

V

EE

I

CC

I

EE

Vctl Low V 0.0 0.8
Vctl High V 2.0 5.0

Input Leakage Current (Low) 0 to 0.8 V µA 1.0

Input Leakage Current (High) 2.0 to 5.0 V µA 1.0

1. All specifications apply when operated with bias voltages of 19 to 115V for VCCand -9 to -15V for VEEand 50Ω impedance at all RF ports unless otherwise specified.
Specifications Subject to Change Without Notice.

For two-tone input power .01 - 3.0 GHz dBm +46
up to +5 dBm

For two-tone input power .01 - 3.0 GHz dBm +76
up to +5 dBm

= -55°C to +85°C

A

.01 - 1.0 GHz dB 1.0
.01 - 2.0 GHz dB 1.4
.01 - 3.0 GHz dB 1.6

.01 - 1.0 GHz dB 43
.01 - 2.0 GHz dB 37
.01 - 3.0 GHz dB 32

.01 - 1.0 GHz 1.4:1
.01 - 2.0 GHz 1.7:1
.01 - 3.0 GHz 2.0:1

VCC= +9 to +15 V mA 20.0

VEE= -9 to -15 V mA 15.0

0.10

(2.5 60.5)

0.13

(3.360.5)

Dimensions in () are in mm.

Unless Otherwise Noted: .xxx = ±0.010

(.xx = ±0.25)

V +9 +12 +15
V -15 -12 -9

M/A-COM, Inc.

North America: Tel. [phone] ■ Asia/Pacific: Tel. [phone] ■ Europe: Tel. [phone]

Fax [phone] Fax [phone] Fax [phone]

1

GaAs SPDT Reflective Switch SW-137

V2.00

Absolute Maximum Ratings

1

Parameter Absolute Maximum

Max. Input Power

0.05 GHz +27 dBm

0.5 - 3.0 GHz +34 dBm

Supply Voltages

V

CC

V

EE

Control Voltage -0.5V to V

-0.5V to +16.5V

-16.5V to +0.5V
+0.5V

CC

Operating Temperature -55°C to +125°
Storage Temperature -65°C to +150°C

1. Operation of this device above any one of these parameters
may cause permanent damage.

Truth Table

Condition of Switch

Control Inputs RF Common to Each RF Port

C1 RF1 RF2

Low On Off

High Off On

Functional Schematic (Top View)

RF1
GND
GND

GND
GND

GND

RF2

Ordering Information

Part No. Package

SW-137 PIN Dual Inline

2. Contact the factory for standard or custom
screening requirements

2

C

1

GND
GND
RFC
GND

-VDC
+VDC

Typical Performance

INSERTION LOSS vs FREQUENCY

1.4

1.2

1.0

0.8

0.6

0.4

0.2

INSERTION LOSS (dB)

0.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

ISOLATION vs FREQUENCY

80
70
60
50
40
30
20

ISOLATION (dB)

10

0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

-55°C

FREQUENCY (GHz)

FREQUENCY (GHz)

+85°C

+25°C

VSWR vs FREQUENCY

2.0

1.5

1.0

VSWR

0.5

0.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

FREQUENCY (GHz)

RFC

Current (mA)

±9 V ±12 V ±15 V

V

CC

V

EE

81115
47 9

RF1, RF2

2

Specifications Subject to Change Without Notice.

M/A-COM, Inc.

North America: Tel. [phone] ■ Asia/Pacific: Tel. [phone] ■ Europe: Tel. [phone]

Fax [phone] Fax [phone] Fax [phone]