QHF-3-G Series 90 POWER DIVIDERS / COMBINERS 30 to 1000 MHz / Excellent Amplitude Balance / Low Insertion Loss / Humidity Sealed Filmbrid PRINCIPAL SPECIFICATIONS Model Number QHF-3-.060G QHF-3-.300G QHF-3-.350G QHF-3-.675G QHF-3-.750G Frequency Range, GHz Isolation, dB, Min. Amplitude Balance, dB, Max. .030 - .090 .090 - .500 .200 - .500 .250 - 1.00 .500 - 1.00 18 17 18 18 20 1.5 1.5 1.0 1.5 1.0 General Notes: 1. The QHF-3 series covers 30 MHz to 1 GHz using a multi-section stripline design to produce wide operating bandwidths. Designs for many other frequency ranges are available to custom order. 2. High performance is achieved in the QHF-3 series using the Filmbrid Sandwich Package that’s designed to work with both microstrip and balanced stripline. Insertion Loss, dB, Max. Typ. VSWR, Max. 0.7 0.7 0.6 0.75 0.35 1.25:1 1.25:1 1.25:1 1.35:1 1.25:1 0.5 0.5 0.4 0.5 0.35 Bandwidth Package Ratio Outline 3:1 5.5:1 2.5:1 4:1 2:1 A A B C D GENERAL SPECIFICATIONS Coupling: Impedance: Phase Tolerance: CW Input: -- 3 dB nom. 50 Ω nom. 90° ±2° max. 200 Watts (CW power input with 1.2:1 VSWRout) Peak Power: 1 kW max. Connector Type: 4 Solder Tabs Operating Temperature: -- 55° to +85°C Package Outline - A Part No. Dim. A Dim. B Dim. C Dim. D QHF-3-.060G 5.000 127.00 2.500 63.50 .484 12.29 4.032 102.41 QHF-3-.300G 1.750 44.45 .875 22.23 .125 3.18 1.500 38.10 NOTES: 1. Tolerance on 3 place decimals ±.020(.51) except as noted. 2. Dimensions in inches over millimeters. 3. Solder Tabs: .002 ± 0005(.05 ±.01) thk., iron nickel alloy,gold plated .00005(.0012) thk. min. . 02May96 For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531