5
0擄 DIVIDERS / COMBINERS
擄
REV: 006, 05/02/01
PDF-4E-250 SQ
鈥?SPACE QUALIFIED
鈥?10 - 500 MHz
鈥?4 WAY FLATPACK
鈥?HI-REL FLATPACK
TECHNICAL DESCRIPTION / APPLICATION
The PDF-4E-250 SQ is a wideband, lumped element, 4 way power divider, covering 10 - 500MHz. Its toroidal
transformer design yields high performance with small size and weight. Parts, materials and processes in
accordance with Merrimac document CENG-0001, 鈥淪tandard Design Requirements for Space Qualified
Devices鈥?
SERIES 05
GENERAL SPECIFICATIONS
MODEL
NUMBER
PDF-4E-250 SQ
INPUT POWER MAX
FREQUENCY
RANGE
MHz
10 - 500
COUPLING
NOM.
1W
-6 dB
ISOLATION
dB
MIN.
25
NOM.
50 OHM
TYP.
28
1.2
MAX.
50 mW
INSERTION LOSS
dB
MAX.
TYP.
1.0
AMPLITUDE
BALANCE
dB
MAX.
0.2
MAX.
12g
-55擄 to +85 擄 C
TYP.
0.1
PHASE BALANCE
MAX.
3擄
TYP.
2擄
VSWR
INPUT/ OUTPUT
MAX.
1.3:1
TYP.
1.2:1
IMPEDANCE
INTERNAL POWER DISSIPATION
WEIGHT
OPERATING TEMPERATURE
PACKAGE OUTLINE
.160
Merrimac Industries, RF & Microwave Products Division / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 973.575.1300 / Fax: 973.575.0531 / Internet: www.Merrimacind.com
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