MERRIMAC QHF-2A

QHF-2A-100 SQ
90° QUADRATURE HYBRID
REV: 001, 03/13/02
• SPACE QUALIFIED
• 95 - 105 MHz, 10% BANDWIDTH
• FLATPACK
SERIES 05
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
NUMBER
FREQUENCY
RANGE
ISOLATION
(dB)
MHz
MIN.
23
QHF-2A-100 SQ
95 - 105
INPUT POWER MAX
COUPLING
1W
INSERTION LOSS
dB
AMPLITUDE
BALANCE dB
TYP.
MAX.
TYP.
27
0.3
0.2
PHASE BALANCE
VSWR
INPUT/ OUTPUT
MAX.
TYP.
MAX.
TYP.
MAX.
TYP.
0.75
0.5
±2°
1°
1.3:1
1.2:1
WEIGHT
MAX.
OPERATING TEMPERATURE
NOM.
IMPEDANCE
NOM.
3.0 dB
50 OHM
2.8 g
-55° to +85 ° C
PACKAGE OUTLINE
.312±.030
.150 MAX.
[3.81]
[7.92±0.76]
(TYP)
3
4
.385±0.020
[9.78±.508]
*.350 TYP
[8.89]
.510±0.020
[12.954±0.508]
*.100 TYP
[2.54]
*.080 TYP 5
[2.03]
2
1
*.250 TYP
[6.35]
ø.015±0.005
[0.38±0.127]
TYP. 8 PINS
1
Phasing Diagram A
2
1
2
3
4
0°
0°
-90°
Isolation
Isolation
-90°
*.050±0.015
[1.27±0.381]
3
4
-90°
Isolation
Isolation
-90°
0°
NOTES:
1. TOLERANCE ON 3
PLACE DECIMALS
±.010 [.25mm] EXCEPT
AS NOTED.
2. MAX. IS LARGEST
DIMENSION ALLOWED.
3. DIMENSIONS =
INCHES [mm]
4. METRIC EQUIVALENTS
ARE TO THE NEAREST
.01mm.
5. ALL LEADS TO BE
WITHIN ± .010 [.25mm]
OF EACH OTHER AT
THIS DIMENSION.
6. DIMENSIONS MARKED
WITH * APPLY ONLY AT
BODY.
7. ALL UNMARKED PINS
ARE CASE GROUND.
0°
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