QHF-2A-100 SQ
90° QUADRATURE HYBRID
REV: 001, 03/13/02
•
SPACE QUALIFIED
95 - 105 MHz, 10% BANDWIDTH
• FLATPACK
•
TECHNICAL DESCRIPTION / APPLICATION
The QHF-2A-100 SQ 90° quadrature hybrid covers a frequency range of 95 - 105 MHz using a special
lumped element design to reduce the size while maintaining high performance. This device has been
designed in accordance with Merrimac document CENG-0001, “Standard Design Requirements for Space
Qualified Devices”.
GENERAL SPECIFICATIONS
MODEL
FREQUENCY
RANGE
ISOLATION
(dB)
INSERTION LOSS
dB
AMPLITUDE
BALANCE dB
PHASE BALANCE
VSWR
INPUT/ OUTPUT
NUMBER
MHz
95 - 105
COUPLING
NOM.
MIN.
23
TYP.
27
MAX.
0.3
TYP.
0.2
MAX.
0.75
TYP.
0.5
MAX.
2°
TYP.
1°
MAX.
1.3:1
TYP.
QHF-2A-100 SQ
1.2:1
INPUT POWER MAX
IMPEDANCE
WEIGHT
OPERATING TEMPERATURE
NOM.
MAX.
1 W
3.0 dB
50 OHM
2.8 g
-55° to +85 ° C
PACKAGE OUTLINE
.312 .030
.385 0.020
[9.78 .508]
.150 MAX.
[3.81]
NOTES:
[7.92 0.76]
(TYP)
1. TOLERANCE ON 3
PLACE DECIMALS
.010 [.25mm] EXCEPT
AS NOTED.
*
.350 TYP
2. MAX. IS LARGEST
DIMENSION ALLOWED.
3. DIMENSIONS =
INCHES [mm]
[8.89]
.510 0.020
[12.954 0.508]
*
.250 TYP
[6.35]
*
.100 TYP
[2.54]
4. METRIC EQUIVALENTS
ARE TO THE NEAREST
.01mm.
*
5
.080 TYP
ø.015 0.005
[0.38 0.127]
TYP. 8 PINS
[2.03]
*
.050 0.015
5. ALL LEADS TO BE
WITHIN .010 [.25mm]
OF EACH OTHER AT
THIS DIMENSION.
6. DIMENSIONS MARKED
WITH * APPLY ONLY AT
BODY.
[1.27 0.381]
Phasing Diagram A
2
3
4
1
1
-90°
Isolation
Isolation
0°
0°
2
3
4
-90°
0°
7. ALL UNMARKED PINS
ARE CASE GROUND.
-90°
Isolation
Isolation
0°
-90°
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