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TSE - TS 1830 - STANDARD FREQUENCIES Organization: TSE
Date: 1975-02-05
Description: The standard frequencies laid down are the frequencies to be adopted for single-phase and three-phase a.c. systems, for installations in ships, for a.c. traction systems, for tools, for the rayon industry, and for aircraft.
DS/EN ISO 266 - ACOUSTICS - PREFERRED FREQUENCIES Organization: DS
Date: 1997-08-14
Description: This standard specifies preferred frequencies for acoustical measurements.
ISO 266 - ACOUSTICS - PREFERRED FREQUENCIES - SECOND EDITION Organization: ISO
Date: 1997-04-01
Description: This International Standard specifies preferred frequencies for acoustical measurements. The preferred frequencies are based on the R10 series of preferred numbers in 1SO 3 and the reference frequency of 1 O00 Hz.
IEC 60196 - IEC STANDARD FREQUENCIES - EDITION 2.0 Organization: IEC
Date: 2009-06-01
Description: The standard frequencies are the frequencies to be adopted for single-phase and three-phase a.c. systems, for installations in ships, for a.c. traction systems, for tools and for aircraft.
FAA-E-1153 REV C - VOICE FREQUENCY SIGNALING SYSTEM Organization: FAA
Date: 1968-03-20
Description: The equipment specified herein consists of a voice frequency signal sending terminal and a voice frequency signal receiving terminal which provides three (3) to six (6) signaling functions from the sending terminal to the receiving terminal when connected together with a voice frequency telephone circuit.
DS/EN 60196 - IEC STANDARD FREQUENCIES Organization: DS
Date: 2009-09-10
Description: The standard frequencies are the frequencies to be adopted for single-phase and three-phase a.c. systems, for installations in ships, for a.c. traction systems, for tools and for aircraft.
TSE - TS 1477 EN ISO 266 - ACOUSTICS- PREFERRED FREQUENCIES Organization: TSE
Date: 2000-02-08
Description: This ─▒nternational standard specifies preferred frequencies for accoustical measurements. The preferred frequencies are based on the R10 series of preferred numbers in ISO 3 and the reference frequency of 1000 Hz.
FAA-E-2615 - DOPPLER VOR FREQUENCY MONITOR Organization: FAA
Date: 1975-02-06
Description: Input signals consist of a carrier signal and (separate) upper and lower sideband signals which are nominally 9960 Hz removed from the carrier frequency. The monitor provides alarm outputs whenever the frequency of the sideband signals deviates from nominal beyond pre-established limits.
WRC BUL 160 - HIGH-FREQUENCY RESISTANCE WELDING - TO PURCHASE CALL 1-800-854-7179 USA/CANADA OR 303-397-7956 WORLDWIDE Organization: WRC
Date: 1971-04-01
Description: The high-frequency resistance-welding process is an important but not widely known commercial process.
NEMA SBP 4 - LOW-FREQUENCY AUDIBLE SIGNALS Organization: NEMA
Date: 2015-01-01
Description: This white paper addresses the need for and development of the low-frequency audible signal used in fire alarms, carbon monoxide (CO) alarms, and fire or CO alarm systems.
DLA - W-F-2190 - FILTER, RADIO FREQUENCY INTERFERENCE Organization: DLA
Date: 1983-12-13
Description: This specification covers radio frequency interference suppression power line filters. These filters consist of capacitors and inductors used in combination with each other and may be provided with resistors.
DLA - A-A-55161B - FILTER, RADIO FREQUENCY INTERFERENCE Organization: DLA
Date: 2001-09-17
Description: This CID covers the general requirements for radio frequency interference (RFI) suppression power line filters.
NPFC - A-A-55163 - FILTER, RADIO FREQUENCY INTERFERENCE Organization: NPFC
Date: 2015-04-12
Description: This CID covers the general requirements for radio frequency interference (RFI) suppression power line filters.
NPFC - A-A-55170 - FILTER, RADIO FREQUENCY INTERFERENCE Organization: NPFC
Date: 2015-04-12
Description: This CID covers the general requirements for radio frequency interference (RFI) suppression power line filters.
IET - HIGH-FREQUENCY CIRCUIT EN - HIGH-FREQUENCY CIRCUIT ENGINEERING Organization: IET
Date: 1996-01-01
Description: This book is aimed at both practising and postgraduate engineers who are interested in the particular problems of high-frequency circuit design. It covers network parameters and how to work with them, various approaches to the use of conductors, and it introduces a large number of circuits using active devices (transistors).
NPFC - A-A-55506 - FILTER, RADIO FREQUENCY INTERFERENCE Organization: NPFC
Date: 2015-04-12
Description: This CID covers the general requirements for radio frequency interference (RFI) suppression power line filters.
FAA-E-2018 REV A - VOICE FREQUENCY CONTROL SYSTEM Organization: FAA
Date: 1968-02-20
Description: The Voice Frequency Control System specified herein will be a part of a composite system which operates remotely located transmitters and receivers for two air/ground channels over a single telephone circuit.
NASA GPR 1860.3 - RADIO FREQUENCY RADIATION SAFETY Organization: NASA
Date: 2005-02-15
Description: This document sets forth the Goddard Space Flight Center's (GSFC) radiation protection program for radio frequency (RF) and electromagnetic field (EMF) radiation and contains administrative direction and guidance on organizational and procedural requirements.
DOD - DSCC-DWG-83006 - FILTERS, RADIO FREQUENCY INTERFERENCE Organization: DOD
Date: 2016-08-09
Description: This drawing and MIL-PRF-15733 describe the requirements for 400 Hertz power line filters designed to attenuate frequencies from 14 kHz to 10 GHz. Filters conforming to this drawing are intended for use when military specifications do not exist and qualified military devices that will perform the required function are not available for OEM application.
NPFC - QPL-23595 - AMPLIFIER, AUDIO FREQUENCY Organization: NPFC
Date: 2015-11-09
Description: QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-A-23595 Amplifier, Audio Frequency This QPL has been prepared for use by or for the Government in the acquisition of products covered by the subject specification and inclusion of a product is not intended to and does not connote endorsement of the product by the Department of Defense.

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