ALPHA AS169-73 Datasheet

Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com 1

Specifications subject to change without notice. 11/99A

PHEMT GaAs IC SPDT Switch DC–2.5 GHz

Features

■ P

1 dB

+30 dBm Typical @ +3 V

■ IP3 52 dBm Typical

■ Low Insertion Loss (0.3 dB @ 0.9 GHz)

■ Low DC Power Consumption

■ Ultra Miniature Low Cost SOT-6

Plastic Package

■ PHEMT Process

AS169-73

Description

The AS169-73 is an IC FET SPDT switch in a low cost
SOT-6 plastic package. The AS169-73 features low
insertion loss and positive voltage operation with very low
DC power consumption.This general purpose switch can
be used in a variety of telecommunications applications.

Parameter

1

Frequency

2

Min. Typ. Max. Unit

Insertion Loss

3

DC–1.0 GHz 0.3 0.4 dB
DC–2.5 GHz 0.4 0.5 dB

Isolation DC–1.0 GHz 22 25 dB

DC–2.5 GHz 21 24 dB

VSWR

4

DC–1.0 GHz 1.15:1 1.25:1
DC–2.5 GHz 1.3:1 1.4:1

Electrical Specifications at 25°C (0, +3 V)

0.074

(1.90 mm REF.)

0.071 (1.80 mm)

0.052 (1.30 mm)

0.037 (0.95 mm) REF.

0.122 (3.10 mm)

0.106 (2.70 mm)

0.006

(0.15 mm)

0.000

(0.00 mm)

0.057 (1.45 mm)

0.035 (0.90 mm)

0.020 (0.51 mm)

0.014 (0.350 mm)

0.126 (3.20 mm)

0.087 (2.20 mm)

PIN 6

PIN 1

PIN 1

INDICATOR

0.022 (0.61 mm)

0.004 (0.10 mm)

0.014

(0.26 mm)

0.004

(0.10 mm)

0.012

(0.30 mm)

TYP.

5.0˚ ± 1˚

5.0˚ ± 1˚

SOT-6

Parameter Condition Frequency Min. Typ. Max. Unit

Switching Characteristics

5

Rise, Fall (10/90% or 90/10% RF) 10 ns
On, Off (50% CTL to 90/10% RF) 20 ns
Video Feedthru 25 mV

Input Power for 1 dB Compression 0/+3 V 0.5–2.5 GHz +30 dBm

0/+5 V 0.5–2.5 GHz +34 dBm

Intermodulation Intercept Point (IP3) For Two-tone Input Power +5 dBm

0/+3 V 0.5–2.5 GHz +43 dBm
0/+5 V 0.5–2.5 GHz +50 dBm

Control Voltages V

Low

= 0 to 0.2 V @ 20 µA Max.

V

High

= +3 V @ 100 µA Max. to +5 V @ 200 µA Max.

Operating Characteristics at 25°C (0, +3 V)

1. All measurements made in a 50 Ω system, unless otherwise specified.

2. DC = 300 kHz.

3. Insertion loss changes by 0.003 dB/°C.

4. Insertion loss state.

5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.

PHEMT GaAs IC SPDT Switch DC–2.5 GHz AS169-73

2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com

Specifications subject to change without notice. 11/99A

V

1

V

2

J1–J

2

J1–J

3

V

High

0 Isolation Insertion Loss

0V

High

Insertion Loss Isolation

Truth Table

V

High

= +3 to +5 V (VS= V

High

± 0.2 V).

Pin Out

12 3

65 4

J

1

GND

C

BL

C

BL

C

BL

J

2

J

3

V

1

V

2

Typical Performance Data (0, +3 V)

Insertion Loss vs. Frequency

Frequency (GHz)

Insertion Loss (dB)

0.0

0.2

0.4

0.6

0.8

1.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

Frequency (GHz)

VSWR vs. Frequency

VSWR

1.0

1.1

1.2

1.3

0.0 0.5 1.0 1.5 2.0 2.5 3.0

Isolation vs. Frequency

Frequency (GHz)

Isolation (dB)

10

15

20

25

30

35

40

45

50

0.0

0.5 1.0 1.5 2.0 2.5 3.0

Characteristic Value

RF Input Power 6 W > 500 MHz

0/+7 V Control

Control Voltage -0.2 V, +8 V

Operating Temperature -40°C to +85°C

Storage Temperature -65°C to +150°C

Θ

JC

25°C/W

Absolute Maximum Ratings

DC blocking capacitors (CBL) must be supplied externally for
positive voltage operation.
C

BL

= 100 pF for operation >500 MHz.