90 POWER DIVIDERS / COMBINERS QHG-2B Series 1 to 1000 MHz / 10% Bandwidth / Low Insertion Loss / Low Profile Hermetic Package / SMD Phasing Diagram - A 1 2 3 4 1 2 3 4 0° -- 90° Isol 0° Isol -- 90° -- 90° Isol 0° Isol -- 90° 0° PRINCIPAL SPECIFICATIONS Model Number Center Frequency, fo, MHz Frequency Performance, MHz QHG-2B-***B QHG-2B-***B 1 - 500 500 - 1000 ± 5% fo ± 5% fo Insertion Isolation, Loss, dB, dB, Max. Min. 0.3 0.3 23 23 Amplitude Phase Balance, dB, Tolerance, Max. Max. VSWR, (In/Out) Max. 90° ± 3° 90° ± 3° 0.75 0.75 1.3:1 1.3:1 For complete model number replace *** with desired center frequency GENERAL SPECIFICATIONS General Notes: 1. The QHG-2B series includes narrowband devices covering 1 to 1,000 MHz using a special lumped element design to minimize size and cost. The low profile, surface-mount package which houses these 3 dB Quadrature Hybrids is suited for terrestrial and aerospace applications alike where hermeticity and inherent package reliability are essential. Coupling: Impedance: CW Input: -- 3 dB nom. 50 Ω nom. 4 W max.(1.2:1 VSWRout) (@ 25°C; derated to 1 W @ 85°C) Weight, nominal: Operating Temp: 0.1 oz (2.8 g) -- 55° to +85°C Surface Mount B Package Outline Notes: 1. Tolerance on 3 place decimals ±0.10(.25) except as noted. 2. Dimensions in inches over millimeters. 3. Lead dimensions apply only at body. 20Feb96 For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531