A Deep Insight into Selecting the Best Amplifiers and Oscillators

For non technical people, it helps to be aware of the physics behind all the modern electronic appliances, having a basic knowledge will prove to be beneficial as it will help you select a suitable amplifiers and oscillators. Also knowing about the right place to get superior quality parts is equally essential. Moving on with this discussion, here is some valuable information about amplifiers and oscillators and their importance.

Discussing Dielectric Resonator Oscillators (DROs) 

Dielectric Resonator Oscillators have been designed to resonate at the radio waves in millimeter and microwave bands. The material used for the making of this equipment is non conductive and so, ceramic is a good choice. The electronic circuit that helps in producing the oscillating signals does so by converting Direct Current to Alternating Current.The resonator used in the dielectric resonator oscillator controls the generated frequency of the radio waves. The Raditek DRO’s are available for frequencies between 3 and 40GHz

SSPA Specialty

Modern Amplifiers are of many types depending on the purposes they are used for. If your required amplification is of Gigahertz (GHz) frequency then you should go for a Raditek solid-state power amplifier (SSPA). They use field-effect transistors (FET) to provide the necessary result. This type of amplifier is not only used in the telecommunication line but also finds its application in industrial, medical and scientific affairs. Thus, you can understand the utility ofRaditek’s Amplifiers covering frequencies between 10KHz and 100GHz.

Apt selection of the desired Amplifiers and Oscillators will ensure longevity of your electronic equipment. Moreover, if your business requires persistent use of Raditek’s amplifiers and oscillators, then your responsibility of choosing the best one increases even more.

Dvb-S2 Modulator and Dielectric Resonator Oscillators – Ensuring Smooth Satellite Functions

DVB-S2, the digital transmission system makes use of advanced modulation techniques. The latest coding is incorporated in order to perform best while approaching the theoretical limit for that system. This DVB-S2 modulation system generally specifies the use of QPSK modulation. It is equipped with various latest firmwares for channel coding and error correction. The Raditek DVB-S2 modulators deliver excellent compression to the satellite. You can find four primary modulation technologies used QPSK, 8PSK, 16APSK, and 32APSK.

This advance modulation system plays a vital role in achieving excellent performance while combatting high noise and interference. ACM that is Adaptive Coding and Modulation transforms them into a frame depending on the particular conditions of delivery path. The Raditek DVB-S2 modulator also gives access to the optional backward compatible modes. It permits DVB-S receivers to continue their operation in the presence of additional capacity and services.

The high definition video signal is encoded first with a high-level H. 264 codec. The DVB-S2 satellite combines it with other satellite signals and transmits it down to the customers dish LNBs(Low Noise Block Downconverters). Sometimes, a lot of satellite signals are combined together for developing full satellite channel lineups.

In the satellite network links, Dielectric Resonator Oscillators plays a vital role. The required spectral purity of a local Dielectric Oscillators in each LNB receiver is considered an important issue. If you want to get the best architectural solution, then an LNB with built in Dielectric Resonator Oscillators will be the best option for you. This system delivers the best performance with low-phase noise.

For best phase noise, a high Q Dielectric Resonator is utilized.a recent survey has proved that Dielectric Resonator Oscillators delivers the best performance in a low-noise block down converter for EHF band satellite terminals. Moreover, it makes the LNB receivers most suitable for DVB-S2 applications.

Signal Processing: Couplers, Power Splitters / Combiners and Quadrature Hybrids

Raditek offers the widest range and best performance Power Splitters, RF Directional Couplers and Quadrature Hybrids in the world with an extremely aggressive pricing structure.

Full Band and 25% narrow Bandwidth, multi-octave, Designed for Low Passive Intermodulation Distortion (PIM) Design capabilities from sub-MHz to 60 GHz Standard Octave Bands (2-4 GHz, 3-6 GHz, 4-8 GHz, 6-12 GHz, 9-18 GHz) Narrow Band to Multi Octave Band (ie 6-18 GHz) Stripline and lumped elements (ferrite) Low (< 1 watt), Medium and High power (up to 250 Watts) Coupling values available: 3, 5, 6, 7, 10, 15, 20 and 30 dB 

We can cross reference to virtually any competitor, usually with better performance, Coaxial standard and custom designs. Very low Loss and high isolation. Raditek has the lowest loss couplers 3, 6, 10, 20, 30 dB(others by request) Bi-directional coupler for all standard telecommunications bands. Splitters in 2, 4, 6, 8,16,32 way available 

Fast and Flexible,Specializing in short-runs and prototyping quantities. Fully-capable of handling larger volume orders.Typical design-to-delivery of new products within 6 weeks.On-site PCB prototyping equipment for rapid design-proving and short lead times.

All that you need to know about Dielectric Resonators Oscillators

A dielectric resonator is a non-conductive material, generally ceramic, specifically designed to resonate at radio frequencies including the millimeter wave bands. The manufacturing of the oscillator takes place by means of a high dielectric material that combines an electromagnet to resonate. The specific frequency of the resonator is selected by tuning the dielectric disc.

Approved Application of Dielectric Resonators

The Dielectric Resonator Oscillators (DRO) find widespread application in missile, electronic warfare, radar, military and commercial applications as well as in diverse satellite and Point to Point Terrestrial telecommunication systems> By employing suitable models of resonators Raditek makes DRO’s from 3 to 41GHz. Moreover, the dielectric resonators can be integrated as primary elements in sub-wavelength sensors, quantum dot emitters as well as in flat optical components. 

Impact of Resonant Nano Structures

The Resonant nano structures have been in the buzz over the last decade owing to its light controlling capacity, which is done either through enhancement of the electric field or by means of scattered radiations. The resonators also have huge positive impact on the miscellaneous applications, which includes sensing, biomedical spectroscopy, communications as well as in photovoltaic power generation. 

Phase Locked Dielectric Resonators Oscillators (PLDRO or more normally PLO).

Dielectric Resonators Oscillators can be phase locked to give precise Frequency stability either to a TCXO with 1 part per million  (1ppm) stability or to an OCXO with 10 part per billion  (10ppb) stability and exceptionally to a GPS Receiver 11 part per billion  (11ppb.  Raditek also makes PLO’s from 3 to 41GHz.

Using Phase Locked Oscillators(PLO) can be very useful for the military as well as for commercial applications in various fields. These devices use their superior stability technology for transmitting the radio waves at specific designated frequencies to avoid Interference.