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Some Broad-Band Transformers - QSL.net
https://www.qsl.net/kp4md/ruthroff.pdf
At high frequencies this transformer can be regarded as all ideal reversing transformer plus a length of trans .. mission line. If the characteristic impedance of the line is equal to the terminating impedances, the trausrnission is inherently broadband. If not, there will be a dip in the response at the frequency at which the transmission
AN749: Broadband Transformers and Power Combining ...
https://cache.nxp.com/docs/en/application-note/AN749.pdf
BROADBAND TRANSFORMERS The input and output transformers are among the most critical components in the design of a multi-octave amplifier. The total performance of the amplifier (linearity, efficiency, VSWR, gain flatness) will depend on their quality.
Designing an Easy Broadband RF Transformer - OnAllBands
https://www.onallbands.com/designing-an-easy-broadband-rf-transformer/
(Editor’s Note: The following article is from the archives of experimenter, inventor, friend of the Ham Radio community, and founder of Clifton Laboratories, Jack Smith, K8ZOA (SK). In working on an active antenna and preamplifier design, I needed a broadband 1:1 transformer. I’ve wound many of these and written an article for 73 Magazine about the subject as well, but …
An Introduction To Transformers In Audio Devices - …
https://www.prosoundweb.com/an-introduction-to-transformers-in-audio-devices/
High-grade audio transformers, such as those manufactured by Lundahl in Sweden and Jensen in the U.S., exhibit high CMRR values across a broad spectrum of frequencies; low-grade transformers may help reduce hum and buzz a bit, but their CMRR is rarely sufficient to solve any significant problem.
Designing Wide-band Transformers for HF and VHF Power ...
http://k5tra.net/tech%20library/RF%20transformers/Wideband%20Transformers.pdf
capacitance. In transformers having a significant amount of wire, the in-ter-winding capacitance can interact with the transformer inductances and create a transmission zero. In good quality audio transformers, the inter-winding capacitance is mini-mized by placing a grounded copper sheet between the windings, often referred to as a Faraday Shield.
Broadband Coupling Transformer TPT-7637-4C100
https://www.3c-test.com/product/610
Broadband Coupling Transformer TPT-7637-4C100 Model：TPT-7637-4C100 Profile Broadband coupling transformer TPT-7637-4C100 is capable of transferring time-harmonic signals (sine waves) or pulse signals to EUT through magnetic coupling method PDF Consultation Online customized according to your needs>> Share Standard Feature Parameter Fitting Services
Online Calculator .:. Broadband Matching with Transformator
https://www.changpuak.ch/electronics/broadband_transformer_matching.php
A broadband Phase-Shifter for IQ Mixing Applications (ECL) An RF Phase-Shifter for IQ Mixing Applications (LVC) A Mixer Tinker Board with the venerable NE/SA 612
Don-Audio for Knobs, Transformers and components for audio ...
https://www.don-audio.com/
Don-Audio for Knobs, Transformers and components for audio industry, hifi, high-end and diy-projects. Find a huge range of custom products like frontpanels, inductors made in our own manufacture, toroidal transformers, Lundahl transformers, Elma, Mundorf, Sifam, Vintage-Meters, ...
TYPE 6220-1AAUDIO ISOLATION TRANSFORMER
https://www.atecorp.com/ATECorp/media/pdfs/data-sheets/Solar-6220-1A_Datasheet.pdf
The transformer is capable of handing up to 200 watts of audio power into its primary over the fre- quency range 30 Hz to 250 KHz. The turns ratio provides a two-to-one step down to the special secondary winding.The secondary will handle up to fifty amperes of a.c. or d.c. without saturating the transformer.
How RF Transformers Work and How They are …
https://www.minicircuits.com/app/AN20-001.pdf
A further influence on transformer insertion loss is high AC or DC current. Most RF transformers are used in small-signal applications, in which typically up to 250 mW of RF or 30 mA of unbalanced DC current pass through the windings. In the interest of small size and widest bandwidth, the smallest practical size of cores is used. When ...
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