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Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com 140NEX CHASSIS MOUNT – SHIELDED IMPEDANCE MATCHING TRANSFORMER This transformer operates in the 20 Hz to 20 KHz range. The metal can provides excellent shielding from a broad range of external sources. The nickel core provides high permeability combined with low losses. Typical applications Input/output Isolation, Line Matching, Driver, Hybrid applications. ELECTRICAL SPECIFICATIONS Characteristic Typical Input Impedance 4 Ω Output Impedance 60,000 Ω Output Power 10.0 dbm DCR Primary 5.30 Ω Secondary 116.5 Ω Inductance @ 1.0 kHz, 1.0 V OC Primary 326 mH Secondary 9.30 H Impedance @ 1.0 kHz, 1.0 V OC Primary 2.83 kΩ Secondary 79.0 kΩ Frequency Response ±1db from 20 Hz to 20KHz Turns ratio 1:5.47 Insertion Loss < 0.9 db Return Loss 28.0 db Longitudinal balance -70 db Dielectric Strength 500 Vrms 140NEX 5mW 20Hz - 20kHz MADE IN CANADA RED - YEL: 1500 Ω GRN - BLU: 50Ω A - RED F - YEL PRIMARY SECONDARY BLU - D GRN - C 50 Ω 1500Ω
Hp4192a impedance analyzer Hp3456a DVM Keithley 2002 DVM D scope series iii audio analyzer This drawing and the information in it is the property of Hammond Manufacturing. It may not be reproduced, transmitted or use d in any manner whatsoever without the written permission of Hammond Manufacturing. Data subject to change without notice. PRIMARY SECONDARY RL RS/2 RS/2 OUT