GC4701 - GC4750

Microsemi

Microwave Products

75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748

Page 3

CONTROL DEVICES – LIMITER DIODES

TM

®

Copyright

 2006

Rev: 2009-01-19

RoHS Compliant

POWER L E AK AGE PERFO RM AN CE

TR AN SFER CH ARAC TER I STIC S

+0

+10

+20

+30

+40

+50

+0

+10

+20

+30

+40

+50

+60

+70

Peak Input Power (dBm)

15 Micron

4 Micron

2 Micron

0 dB

10 dB

20 dB

30 dB

Typical Power Leakage vs I Region Thickness

Pout

Pin

Low Level

Ins. Loss

1 dB

Compression

Point

Linear Region

Compression

Hard Limiting

Burnout

Typical Limiter Transfer Characteristics

SERIES RESISTANCE

HIGH PO WER DU A L LIMITER DESIGN

0.1

1

10

100

1000

0.001

0.01

0.1

1

10

100

GC4750

GC4750

RF IN

50 Ω

RF OUT

50 Ω

DC BLOCK

DC BLOCK

SCHOTTKY

DRIVER (GC9700)

GC4712

Spacing

2 Stage Limiter with Schottky Driver

λ / 4