QHM-6 Series 90 POWER DIVIDERS / COMBINERS 2 to 400 MHz / Multi-Octave Bandwidths / Uniform Phase & Amplitude Bal. / High Isolation / SMA 1 2 3 4 Phasing Diagram - C 1 2 3 ref. +90° ref. Isol. -- 90° Isol. Isol. +90° ref. 4 Isol. -- 90° ref. PRINCIPAL SPECIFICATIONS Model Number Frequency Range, MHz Phase Tolerance, Max. QHM-6-17 QHM-6-42 QHM-6-165 QHM-6-225 2 - 32 3.5 - 80 30 - 300 50 - 400 90° ± 3° 90° ± 3° 90° ± 3° 90° ± 5° GENERAL SPECIFICATIONS Isolation, dB, VSWR, Min. Max. 20 20 18 15 1.30:1 1.35:1 1.40:1 1.50:1 Coupling: Insertion Loss: Amplitude Balance: Impedance: CW Input: Connectors: Weight, nominal: Operating Temp.: -- 3 dB nom. 1.5 dB max. 1 dB typ. 1 dB max. 50 Ω nom. 1 Watt SMA Female 1.3 oz. (37 g) -- 55° to +85°C Typical QHM-6-42 Performance Package Outline Typical QHM-6-225 Performance NOTES: 1. Tolerance on 3 place decimals ±0.20(.51) except as noted. 2. Dimensions in inches over millimeters. 20Feb96 General Notes: 1. The QHM-6 series of multi-octave quadrature hybrid couplers covers 2 to 400 MHz using multi-section lumped element circuits resulting in a compact, sturdy package. For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531