Alpha Industries, Inc. [781] 935-5150

• Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com

1

Specifications subject to change without notice. 8/01A

PHEMT GaAs IC High Power

SP3T Switch DC–2 GHz

Features

■ Positive Low Voltage Control

(0/2.75 V Operation)

■ Low Insertion Loss (< 0.6 dB @ 2 GHz)

■ High Isolation (30 dB at 1 and 2 GHz)

■ Excellent Harmonics Performance

■ Miniature MLP-12 Plastic Package

■ PHEMT Process

MLP-12

AS202-321

0.008 (0.20 mm)

SEATING PLANE

0.118 (3.00 mm)

PIN 1

INDICATOR

PIN 1

INDICATOR

0.118

(3.00 mm)

0.001

(0.02 mm)

0.030

(0.75 mm)

± 0.002

(0.05 mm)

EXPOSED

PAD

0.029

(0.73 mm)

0.0196

(0.50 mm) BSC

0.057 (1.45 mm) SQ.

+ 0.004 (0.10 mm)

- 0.006 (0.15 mm)

0.009 (0.23 mm)

+ 0.003 (0.07 mm)

- 0.002 (0.05 mm)

Description

The AS202-321 is a PHEMT GaAs IC SP3T antenna

switch operating in the 900 MHz and 1800 MHz

frequency bands. Switching between the antenna and

the control inputs are driven with the appropriate voltages,

a low insertion loss path is provided from an antenna

high attenuation.

Parameter

Frequency

Min.

Typ.

Max.

Unit

Insertion Loss

Ant-RF1, RF2, RF3

0.1–0.5 GHz

0.55

0.75

dB

0.5–1.0 GHz

0.60

0.80

dB

1.0–2.0 GHz

0.80

1.10

dB

Isolation

Ant-RF1, RF2, RF3

0.1–0.5 GHz

25

28

dB

0.5–1.0 GHz

22

25

dB

1.0–2.0 GHz

22

25

dB

Return Loss

Ant-RF1, RF2, RF3

0.1–0.5 GHz

18

dB

0.5–1.0 GHz

18

dB

1.0–2.0 GHz

14

dB

Electrical Specifications at 25°C (0, +2.75 V)

Preliminary

Parameter

Condition

Frequency

Min.

Typ.

Max.

Unit

2nd Harmonic

34 dBm In @ 2.75 V

1 GHz

72

dBc

3rd Harmonic

34 dBm In @ 2.75 V

1 GHz

65

dBc

2nd Harmonic

32 dBm In @ 2.75 V

2 GHz

70

dBc

3rd Harmonic

32 dBm In @ 2.75 V

2 GHz

65

dBc

Gate Leakage Current

34 dBm In @ 2.75 V

0.030

mA

Control Voltages

-0.25

0

0.25

V

2.60

2.75

5.00

V

Operating Characteristics at 25°C (0, +2.75 V)