ALPHA PD18-73 Datasheet

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

Specifications subject to change without notice. 3/99A

Two-Way 0° Power Splitter
Combiner 1.71–1.99 GHz

Features

■ Low Cost

■ Low Profile

■ Available in Small SOT-6 Lead Package

■ Tape & Reel

PD18-73

Description

The PD18-73 is a monolithic two-way in-phase hybrid
junction tuned for the 1.71–1.99 GHz band.It offers low
loss, high isolation, good input/output matching and
exceptional phase/amplitude balance.It is available in the
SOT-6 lead surface mount package.

Parameter Min. Typ. Max. Unit

Frequency 1.71 1.99 GHz
Insertion Loss Less 3 dB Split 0.4 0.6 dB
Isolation 18 23 dB
Input VSWR 1.3:1 1.5:1
Output VSWR 1.2:1 1.4:1
Amplitude Balance ±0.1 ±0.2 dB
Phase Balance ±1.0 ±3.0 Deg.

Electrical Specifications at 25°C

GND

Port 1

Port 2

GND

IN/SUM

GND

123

654

PD18

Pin Out

IN/SUM

Port 1

Port 2

Block Diagram

Two-Way 0° Power Splitter Combiner 1.71–1.99 GHz PD18-73

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

Specifications subject to change without notice. 3/99A

-4.0

-3.8

-3.6

-3.4

-3.2

-3.0

Insertion Loss (dB)

Insertion Loss vs. Frequency

Port 1

Port 2

1.70 1.75 1.80 1.85 1.90 1.95 2.00

Frequency (GHz)

-40

-30

-20

-10

0

Isolation (dB)

Isolation vs. Frequency

1.70 1.75 1.80 1.85 1.90 1.95 2.00

Frequency (GHz)

1.0

1.1

1.2

1.3

1.4

1.5

Output VSWR

Output VSWR vs. Frequency

Port 1
Port 2

1.70 1.75 1.80 1.85 1.90 1.95 2.00

Frequency (GHz)

-0.10

-0.05

0.00

0.05

0.10

Amp. Balance (dB)

Amp. Balance vs. Frequency

1.70 1.75 1.80 1.85 1.90 1.95 2.00

Frequency (GHz)

1.0

1.1

1.2

1.3

1.4

1.5

Input VSWR

Input VSWR vs. Frequency

1.70 1.75 1.80 1.85 1.90 1.95 2.00

Frequency (GHz)

-3.0

-2.0

-1.0

0.0

1.0

2.0

3.0

Phase Balance (Deg.)

Phase Balance vs. Frequency

1.70 1.75 1.80 1.85 1.90 1.95 2.00

Frequency (GHz)

Typical Performance Data