QHM-4R-10G SQ 90° DIVIDERS / COMBINERS REV: 003, 09/21/04 • SPACE QUALIFIED • 2.0 - 18.0 GHz, QUADRATURE HYBRID, SMA SERIES 05 TECHNICAL DESCRIPTION / APPLICATION The QHM-4R-10G SQ Quadrature Hybrid Divider/Combiner covers 2.0 -18.0 GHz. The phase relationship is 0° to the port directly opposite and +90° to the port on the diagonal. It uses a rugged stripline design which provides high isolation and low VSWR. This unit has been designed, manufactured and qualified per Merrimac document CENG-0001, “Standard Design Requirements for Space Qualified Devices”. GENERAL SPECIFICATIONS MODEL NUMBER FREQUENCY RANGE ISOLATION dB INSERTION LOSS AMPLITUDE BALANCE VSWR GHz MIN. MAX. MAX. MAX. QHM-4R-10G SQ 2.0 - 18.0 17 dB 1.5 dB 1.2 dB 1.35:1 PHASE BALANCE CW INPUT POWER IMPEDANCE OPERATING TEMPERATURE WEIGHT MAX. 90° ± 7° 10 W 50 OHM -55° to +85 ° C 3.5 oz. NOM. PACKAGE OUTLINE .250 [6.35] .400 MAX [10.16] 2.850 [72.39] CONNECTOR, RECEPTACLE, FEMALE SMA TYPE. MATES WITH CONNECTOR, PLUG, MALE PER MIL-C-39012 TYP. 1.100 [27.94] 2.350 [59.69] .500 1.000 [25.40] [12.70] .300 [7.62] .925 [23.50] #4-40UNC-2B X .250 [6.35] DEEP 4 HOLES BOTH SIDES. .250 [6.35] .100 [2.54] 1. TOLERANCE ON 3 PLACE DECIMALS ±.020. 2. DIMENSIONS IN INCHES OVER MILLIMETERS. 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