Tuning Uhf Antenna

Rugged Radios Antenna Tuning / Cutting Charts
Rugged Radios Antenna Tuning / Cutting Charts RuggedRadios.com / (888)541-7223 1/2 Wave NGP Antenna 144-174 Mhz Freq Cut Length 14444” 14642-1/2” ... Fetch This Document

Airband - Wikipedia
The tuning control on the right only affects the standby frequency. Military aircraft also use a dedicated UHF-AM band from 225.0–399.95 MHz for air-to-air and air-to-ground, It is illegal in most countries to transmit on the Airband frequencies without a suitable license, ... Read Article

AN 1629 UHF RFID Label Antenna Design UHF - NXP Semiconductors
The antenna parameters are depicted and possibilities of antenna tuning are proposed. NXP Semiconductors AN 1629 UHF RFID Label Antenna Label Antenna Design NXP Semiconductors AN 1629 UHF RFID Label Antenna Label Antenna Design) ... Return Document

VHF Telwave Duplexer Repair. - YouTube
VHF Telwave Duplexer Repair. nukedude. Loading Installing Toronto repeater antenna. - Duration KB0KBJ 2,266 views. 1:24. Mobile Radio Duplexer Tuning - Duration: 17:22. jcook007fix 29,219 views. 17:22. Re-tuning A UHF Repeater Duplexer Part 1 - Duration: 20:01 ... View Video

Panorama Antennas - Wikipedia
Panorama Antennas Ltd. was founded in 1947, developed antennas for hand held VHF and UHF devices used by groups such as the Ministry of Defence and emergency services The complete transformation of the company from general manufacturing to specialist antenna production was acknowledged ... Read Article

Radio Direction Finder - Wikipedia
A radio direction finder (RDF) is a device for finding the direction, to greatly improved methods of comparing the phase of signals. In addition, the phase-locked loop (PLL) allowed for easy tuning in of signals, which led to widespread use of VHF and UHF signals. ... Read Article

A Varactor-Tuned Indoor Loop Antenna - EarthLink
A Varactor-Tuned Indoor Loop Antenna by Chris Trask / N7ZWY Sonoran Radio Research P.O. Box 25240 suitable for adaptation to remote tuning, the goal being to devise a varactor-tuned matching net-work that could be coupled directly to a coaxial ... Read Here

Indoor Television Antenna Performance - Its.bldrdoc.gov
Measured VHF antenna VSWR for the VHF/UHF indoor antenna, solid line, and the rabbit ears, dashed line. Note the solid line is the minimum VSWR envelope for twelve tuning switch positions. Measured UHF antenna VSWR. Indoor Television Antenna Performance ... Document Retrieval

Antenna System Impedance Matching Analysis Using Stubs
Antenna System Impedance Matching Analysis Using Stubs by F.M. Griffee, N4FG (EE Ret) Introduction n previous articles, I have referred to stub matching. ... View Doc

Understanding, Maintaining & Re-Tuning Antenna Duplexers
Understanding, Maintaining & Re-Tuning Antenna Duplexers other type. Some of these are: Band Pass Type: ♦ Generally will have higher branch loss than ... Get Content Here

AUTOMATIC ANTENNA TUNNING UNITANTENNATUNNING UNIT - Acom-bg.com
The Automatic HF Antenna Tuning Unit (AATU) model ACOM 03AT is a complete and self-contained unit for automatic matching of HF symmetrical-antenna impedance to an unbalanced 50Ω output, - Unbalanced output with 50Ω UHF(SO239A) connector; ... View Document

CA-2x4SR Dual-Band VHF/UHF antenna
• Omni-directional dualband antenna is VHF and/or UHF capable, while simultaneous transmit and receive on both VHF and UHF is also possible • High gain for extended coverage area and receive range • No tuning or adjustments required ... Access Content

10m/6m/2m/70cm FM Mobile Antenna Optimized For Trunk Lid Mounting
10m/6m/2m/70cm fm mobile antenna optimized for trunk lid mounting uhf male (pl259) warranty: note: this antenna requires tuning to desired frequency. use quality vswr meter to insure proper adjustment. the cr8900a requires proper vehicle ground. mounting location will affect vswr. ... Get Document

Increasing Wideband Antenna Performance With Active Matching
Tuning the matching of wideband antennas operating in the VHF/UHF bands. Increasing Wideband Antenna Performance With Active Matching Keywords: Active matching, active band switching, tunable matching, active wideband VHF UHF antenna, wideband VHF UHF antenna ... Doc Viewer

C144 Series UHF/VHF Multiband Communication Antenna
The C144 Series multiband communication antenna provides omnidirectional coverage over the 30 to 400 MHz frequency range, utilizing fixed tuning. ... Fetch Full Source

3048 Tuned Dipole ANTENNA - Radio Communications Solutions
3048 Tuned Dipole ANTENNA The 3048 Tuned Dipole is a HF antenna solution designed and using a state-of-the-art tuning algorithm, RF connector UHF socket (interface box) Control 6 pin bayonet (MIL Spec) ... Fetch Here

CUTTING CHARTS - The Repeater Builder's Technical Information ...
UHF. 405 MHz 6 1/4. 15.9 420 MHz. 6 1/8 15.6 430 MHz 6. 15.2 440 MHz. 5 7/8 14.9 450 MHz 206 www.radialllarsen.com 1 800 ANTENNA 207 CUTTING CHARTS LM470C Operating Freq. Inches. Cm Inches Cm w/o spring. w/ spring 470 MHz ... Doc Retrieval

HF-SSB Automatic Antenna Tuner - Mobat-USA
Tuning Accuracy Automatically tunes to 50 Ω with a nominal VSWR of 1.5 HF-SSB Automatic Antenna Tuner Owner’s Manual ACCESSORIES FKN4612A RF Cable kit, 30 feet (N Type - UHF) FKN4613A RF Cable Kit, 100 feet (N Type - UHF) v/(vi Blank) 1-1 CHAPTER 1 DESCRIPTION 1.1 GENERAL DESCRIPTION ... Document Retrieval

A VHF-UHF TELEVISION TURRET TUNER - Antique Radio
A VHF-UHF TELEVISION TURRET TUNER BY T. MURAKAMI Fig. 3—Block diagram of VHF-UHF tuner. The antenna input circuit for the VHF portion of the tuner consists essentially of a single-tuned circuit with the 300- oscillator circuit provides fine tuning for both VHF and UHF. ... View Full Source

SEITS Duplexer Theory And Tuning
This allows both of them to operate on the same antenna at the same time without the transmitter RF frying the receiver. Note that there must be a separation of the transmit and receive SEITS Duplexer Theory and Tuning Dave Metz WA0AUQ South East Iowa Technical Society. Second, ... Read Full Source

RFID UHF Tag Antenna Design - CST Homepage
RFID UHF tag Antenna design. UHF RFID chip is a very simple circuit: • No RF circuitry • Absorbtion modulation with subcarrier • Backscatter by subcarrier Tuning the basic antenna design Parameters to tune : the shape of the inductor 1. ... Access Document

VHF/UHF Quad Antenna - Ham-Radio - IW5EDI Simone
VHF/UHF Quad Antenna The information in this article has come from many amateur sources, the most notable was from WA6TEY (sk 1985) Direct feed and tuning the antenna to “resonant frequency” gives the most optimal performance. ... View This Document

Tag Tuning/RFID Application Note - Atmel Corporation
2 Tag Tuning/RFID 2055A–RFID–07/02 the resistance of the coil to a minimum increases the Q of the antenna and increases the energy available to the tag. ... Retrieve Here