1860 Hartog Drive, San Jose, California 95131 USA

Tel: 001-408-436-7720

Fax: 001-408-436-7689

Leffelholzstr. 20, D-90441, Nurnberg, Germany

Tel: +49(0)911/9411 233

Fax: +49(0)911/9411 198

2/1-2F, No.99 Lane 2535 Gudai Rd, Shanghai, China PC 201100

Tel: (86)21-5416-8648

Fax: (86)21-5416-8753

PC1908DE-21

Features

DROP-IN CIRCULATOR

•

Low Cost

•

Industry Standard 0.75 Inch Drop-in package

•

Designed for Wireless Telecom Systems

•

50 Ohms Characteristic Impedance

Description

The PC1908DE-21 is a small low cost drop-in circulator designed

for applications in high performance linear power amplifiers for

wireless base stations. These circulators feature a robust

construction for high reliability with excellent IMD performance.

CCW rotation and special tab offsets available on request.

S-Parameters are also available on request.

Specifications

Absolute Maximum Ratings

Note: Typical values represent Mid-band performance @ 25°C.

Schematic

Package

Pin Functions

Typical Test Data – Insertion Loss

Typical Test Data – Return Loss and Isolation

Specifications and information on this data sheet are subject to change without notice.

Parameter

Minimum

Typical

Maximum

Frequency Range (MHz)

1895

1920

Insertion Loss (dB)

<. 17

.30

Isolation (dB)

20

>28

Return Loss (dB)

20

>28

IMD (dBc) 2T x 37.5 Watts

-70

-75

Parameter

Maximum

Power

100 Watts CW

Operating Temperature

-40 to +85 °C

Storage Temperature

-40 to +85 °C

Function

Pin

INPUT

1

OUTPUT

2

TERMINATED

3

.75

.25

MAX.

.75

Insertion Loss

-0.30

-0.25

-0.20

-0.15

-0.10

-0.05

0.00

1865

1885

1905

1925

1945

Frequency (MHz)

dB

S21

Return Loss and Isolation

-40

-35

-30

-25

-20

1865

1885

1905

1925

1945

Frequency (MHz)

dB

S11

S22

S12