QHM-23 Series 90 POWER DIVIDER / COMBINER 10 to 250 MHz / Octave Bandwidth Standard / High Isolation / Low Insertion Loss / SMA. 1 2 3 4 Phasing Diagram - A 1 2 3 0° -- 90° 0° Isol -- 90° Isol Isol -- 90° 0° 4 Isol -- 90° 0° PRINCIPAL SPECIFICATIONS Model Number Center Frequency, fo Usable Bandwidth, MHz QHM-23-120 QHM-23-***B 120 MHz 10 to 250 MHz 80 - 160 Octave BW For complete Model Number replace *** with desired Center Frequency, fo in MHz. Package Outline GENERAL SPECIFICATIONS Coupling: Isolation: Insertion Loss: Phase Tolerance: Amplitude Balance: Impedance: VSWR: CW Input: Weight, nominal: Operating Temperature: -- 3 dB nom. 20 dB min. 0.5 dB max. 90° ± 3° max. 1.0 dB max. 50 Ω nom. 1.3:1 max. 1 Watt max. 7 oz. (20 g) -- 55° to +85°C Typical QHM-23-60 Performance NOTES: 1. Tolerance on 3 place decimals ±.020(.51) except as noted. 2. Dimensions in inches over mm. General Notes: 1. The QHM-23 series covers 10 to 250 MHz in octave segments using multi-section lumped element circuits in a sturdy, compact package. 29Apr96 For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531