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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 .030 - .090 .090 - .500 .200 - .500 .250 - 1.00 .500 - 1.00 Isolation, dB, Min. 18 17 18 18 20 Amplitude Balance, dB, Max. 1.5 1.5 1.0 1.5 1.0 Insertion Loss, dB, Max. Typ. 0.7 0.7 0.6 0.75 0.35 0.5 0.5 0.4 0.5 0.35 VSWR, Max. 1.25:1 1.25:1 1.25:1 1.35:1 1.25:1 Bandwidth Package Ratio Outline 3:1 5.5:1 2.5:1 4:1 2:1 A A B C D
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 FilmbridTM Sandwich Package that's designed to work with both microstrip and balanced stripline.
GENERAL SPECIFICATIONS
Coupling: Impedance: Phase Tolerance: CW Input: -- 3 dB nom. 50 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 +85C Package Outline - A
Part No.
QHF-3-.060G
Dim. A
5.000 127.00 1.750 44.45
Dim. B
2.500 63.50 .875 22.23
Dim. C
.484 12.29 .125 3.18
Dim. D
4.032 102.41 1.500 38.10
QHF-3-.300G
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

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