Non linear junction detector b2 is a small size search appliance designed for the detection of electronic componenets, both active and passive, disguised in various environments. Search of semiconductor components using nonlinear junction. The trial directives in respect of non linear junction detector nljd as per the. Importantly, the edd24t will detect such devices whether they are switched on and in use, powered on but. Ohmic contact a metalsemiconductor contact with a linear or near linear current voltage characteristic. Non linear junction detectors are effective in searching for any electronic devices. The second part of the gbppr non linear junction detector project will be constructing the first local oscillatormixer and the transmitter circuits. A few years later this method was used by the superscout nljd system which was the first commercially. Ohmic contact a metalsemiconductor contact with a linear or near linear. The detector operation is based on the property of semiconductor components to generate a response at the 2d and 3d harmonics when radiated by a microwave probing signal. Nljd operation is based on the property of semiconductor components to generate a response at the 2nd and 3rd harmonics when radiated by an uhf probing signal. Non linear junction detector lok sabha secretariat. Non linear junction detector nr900s new version 11 non linear junction detector nrt 12 non linear junction detector nrchp non linear junction detector lornet24 14 non linear junction detector lornet 15 data leakage channels detection wireline analyzer st301 spider 16. Evaluation of the russian eagle nonlinear junction detector.
It will detect the presence of semiconductor circuits that are used in all modern electronic devices such as mobile phones, tracking devices, listening devices, covert cameras, digital voice recorders, sim cards etc. Non linear junction detector lornet36 is capable to detect electronic devices at distances of 10 meters and more. The non linear junction detector, or an nljd, is a device that illuminates a small region of space with highfrequency rf energy. Shot noise of a tunnel junction displacement detector. Nje4000 orion the hunter nonlinear junction detector nljd. Packaging, transmit power, and frequency ranges may vary depending on the model purchased.
The nljd is available in a range of output powers 2w, 4w and 10w. The edd24t is a compact handheld non linear junction detector or nljd. If a pair of wires carried a suspicious voltage, it was important to know if voices were on the wires, and whose voices they were. Any non linear junction in the vicinityfor example, and particularly, the pn junction will receive this energy, and because of the asymmetric response of the junction to an electric field, it will mangle it, reemitting some of it on multiples of the. He has a twopart series on how to build your own non linear junction device. Orion24 nonlinear junction detector user manual research. The nonlinear junction detector is used for search and detection electronic devices of both working devices and even turned off ones. The overall effectiveness of this product, and of any surveillance countermeasure, is dependent on the threat level and the users ability to properly utilize the appropriate equipment. It is also useful when searching for small electronic devices 1x2 cm. Surveillance device detection utilizing non linear junction detection and reflectometry us7639178b1 en 20051104. Advanced and light weight powerful non linear junction detector nljd.
A non linear junction detector nljd is a countersurveillance tool commonly used for detecting hidden transmitters or other electronic items. Key function controls and led indicators are controlled via the control panel. Non linear junction detectors can serve multiple purposes and have a wide range of implementation, starting from ground detectors up to equipment used for detection of mobile phones. Technical surveillance counter measures nonlinear junction. The search head is extremely light and extends up to 1 metre to reach the places that other. There, antennas near the doorways listen for a reflected signal from a shoplifting tag attached to an item. Evaluation of the russian eagle non linear junction detector background 1. They are simple devices that only contain an antenna and a diode.
Non linear junction detector lornet 836 double probing frequency unique pro nljd. Nonlinear junction detector research electronics international. This detector can be successfully utilized for suspect person inspection at a certain check point. The system equipped with high selectivity receiver along with unique detection algorithm achieving high sensitivity of 3 dbm. The detector operation is based on the property of semiconductor components to generate a response at the 2d and 3d harmonics when radiated by an rf probing signal. Triple band spiral antenna for nonlinear junction detector. An eod variant is also available, which incorporates a metal detector for increased target detection and discrimination. Non linear junction detector westminster international ltd. Microlabfxr non linear junction detector us department of state. A non linear junction detector designed for counter surveillance measures achieves superior performance by using a single circularly polarized antenna to transmit a signal and to receive harmonics of the transmitted signal that are reradiated by a non linear junction such as would be found in a eavesdropping device containing a semiconductor. Junction detector for finding hidden electronic devices. Lornet is a non linear junction detector with standard operating frequency in the range of 800 900. B2 provides detection of receivertransmitter equipment and radioelectronic devices, including simcards of mobile phones, voice recorder and others.
Nonlinear junction evaluator research electronics international. If you think you are under active electronic surveillance, or believe you have discovered a bug or covert video camera, go to our emergency tscm page. From april to july of 2007 dsto hired, for the purpose of evaluation, a russian eagle non linear junction detector nljd. Mw non linear junction detector lornet36 further nljd is used for search and location of electronic devices both in active and switchoff state. Used to detect and locate hidden electronic devices, whether they are switched on, switched of or in standby mode. The system provides an evaluation of the 2nd and 3rd harmonic. Search of semiconductor components using nonlinear. Wide range of nljd is presupposed by the type of material or surface for search operations ground detectors are preferable for object detection in soil.
Non linear junction detector the orion hx is available in several different models. Automatic and manual adjustment of probing signal power. Non linear detectors are able to find electronic devices whether they are switched on or not. Rei orion operating manual audible tone provides unquestionable detection of a non linear junction. Lornet 0836 the first nonlinear detector which combines the advantages of a microwave detector and the detector of traditional range. Double probing frequency non linear junction detector the unique device combines two detectors at di. Non linear detector lornet ultra sensitive locator bugcamera pro scanner nljd. A target junction is illuminated with energy at a fundamental rf frequency and reflections from the non linear junction are analyzed to determine the type of junction detected. This manual contains proprietary information intended solely for use with the orion 2. The non linear junction detector lornet24 further nljd is used for search and location of electronic devices both in active and switchoff state. Lornet36 long distance non linear junction detector.
Creation of a rectifying junction with a depletion zone ext. Nonlinear junction detection nljd murray associates tscm. Orion is the latest advancement in nonlinear junction detection and. Nrchp can detect typical target in every operational mode.
To deal with threats posed by advanced surveillance instruments, research electronics international constructed the non linear junction detector orion 2. This document is intended to provide guidance and instruction on using the orion hx non linear junction detector for finding hidden electronic devices. For example, it has been found for set and tunnel junction detectors that kbteff. Aculux non linear junction detector control panel on the stem control unit is a transmitter and two multichannel high sensitivity radio receivers which tunes to the 2nd and 3rd harmonics frequencies. Non linear junction detector nr900s 10 non linear junction detector nr900s new version 11 non linear junction detector nrt 12 non linear junction detector nrchp non linear junction detector lornet24 14 non linear junction detector lornet 15 data leakage channels detection. Nr2000 nonlinear junction detector specification sheet. Phjd24 is a stateofart the non linear junction detector based on the latest technology and includes dds and dsp components. When the system receives a strong 2nd harmonic, it indicates the presence of. Go to this website and click on pdf to read their white. Nr2000 can detect typical targets in any operational mode.
Rei orion operating manual audible tone provides unquestionable detection of a nonlinear junction. The rfd23 hand held nonlinear junction detector nljd is designed for the. The orion is a stateoftheart non linear junction detector for detecting hidden electronic. A non linear junction detector designed for counter surveillance measures achieves superior performance by transmitting a series of pulses and receiving harmonics of the transmitted pulse signals that are reradiated by a non linear junction such as would be found in an eavesdropping device containing a semiconductor. Nonlinear junction detector user manual details for fcc id eihorion24 made by research electronics international, llc. And, the edd24t will detect such devices whether they are. The blue trace represents the 2nd harmonic and the red trace represents the 3rd harmonic. Nr2000 non linear junction detector is intended for searching concealed electronics like eavesdropping installations, remote controlled improvised explosive devices rc ied and etc. Portable nljd is the most efficient equipment for locating radio controlled explosive devices red in field conditions. While these would have been difficult circuits to construct just a few years ago, the availability of prebuilt synthesizer modules significantly increases the ease of construction. The nonlinear junction detector, or an nljd, is a device that illuminates a small region of space with highfrequency rf energy. Sep 20, 2017 these are called nonlinear junction detectors nljd.
Wg 400 nonlinear junction detector westminster international ltd. Handheld non linear junction detector jjn digital edd24t nljd the handheld non linear junction detector nljd edd24t detects the presence of semiconductor circuits that are used in all modern electronic devices such as mobile phones, tracking devices, listening devices, covert cameras, digital voice recorders, sim cards etc. Non linear junction detector nljd nljd operates somewhat like the shoplifting detectors used by retailers. If you have any questions about non linear junction detection nljd or the tscm services provided by murray associates, simply fill out the form below, or call us from a safe area and phone. Non linear junction detectors nljd are used for detecting objects which contain pn junction or corrosive materials mm junction in a target area. The non linear junction detector lornet36 further nljd is used for search and location of electronic devices both in active and switchoff state. Surveillance device detection utilizing non linear junction detection and reflectometry us7212008b1 en 20051103. Detection capabilities depend on frequency range and probing signal type, its power, sensitivity of the receivers and the characteristics of antenna feeder circuit. The orion is the worlds leading non linear junction detector nljd for detecting hidden. The sl46 nconducting search operations in premises where the onlinear detector is indispensable when non linear junction detectors items containing electronic products are located with high density. Interestingly, shoplifting tags do not contain batteries. Non linear junction detector nljd wg02, wg04, wg10 a lightweight and flexible suite of nljds offering increased target detection and discrimination. Digital linear heat detection wire operation figure 1 safecable digital linear heat detection wire is a combination of advanced polymer and digital technologies that can detect heat anywhere along its entire length.
The phjd900 is a stateofart non linear junction detector based on the latest technology and includes dds and dsp components. Non linear junction detector this document is intended to provide guidance and instruction on using the orion 2. And, the edd24t will detect such devices whether they are switched on and in. The handheld non linear junction detector nljd edd24t detects the presence of semiconductor circuits that are used in all modern electronic devices such as mobile phones, tracking devices, listening devices, covert cameras, digital voice recorders, sim cards etc.
The portable non linear junction detector rfd 23i is designed for search and detection of electronic. A multifunction non linear junction detector lornetstarfurther nljd is used for search and location of electronic devices both in active and switchoff state. The detector operation is based on the property of semiconductor components to generate a response at the 2d and 3d. Back in the early 70s a method was developed to detect eavesdropping devices though the analysis of harmonic emissions caused by an illuminating signal when it is reflected off of a target. The nljd consists of a main electronic unit, an antenna module, and a power supply. Dt810 dt810 is a professional non linear junction detector adopting advanced. Convenient display and control elements, easy to operate, light weight. They work by transmitting a clean no harmonics or audio modulation 900 mhz rf signal at the target location and displaying the received signal strengths of the detected second 1800 mhz and third. The power output level of a transmitter emitting the illuminating signal is automatically controlled so as to drive the signal strength of the received signals towards a predetermined value, e. Operating the non linear junction detector main screen at the bottom of the screen the 2nd and 3rd harmonic traces are also shown running from left to right to give the user a brief historical indication of any detected signals.
1602 1436 659 174 1641 873 341 1228 1005 200 591 81 985 1789 270 26 1497 1178 69 669 784 1432 604 1870 682 862 794