- Low & High Pass Filters: Design RC or RL low and high pass filters. - Ohm's Law: Calculate voltage, current, resistance, or power. - Reactance: Determine the reactance of capacitors or inductors. - Decibel Calculator: Convert or calculate decibel values based on power or voltage. ...
You'll encounter four main types of filter: low pass, high pass, band pass and band stop/reject filters. Each type of filter has its own characteristics and usefulness. Before we discuss each in turn, it is helpful to note some conventions when dealing with graphs for filters. We measure...
This calculator is useful when making antenna matching units, low pass filters, crystal sets, antenna traps, resonant circuits or anywhere where an air cored single layer inductor is required. Diameter and length of inductor are entered in millimetres along with the number of turns. Frequency can...
What is Ham Radio? W4KAZ SSB Settings Best of W4KAZ Series – Band Pass Filters Series – SO2R Notes and Resources Series – K2 Impressions Series – SSB Myth Busters Sunspots-The Check Is In The Mail Yaesu FP-1023 info Ham Pages ...
To quote our founder; “One of the great joys of my amateur radio life is editing SPRAT. Perhaps editing is too strong a word because the preparation of each issue is not very stringent and what I do is compile rather than edit. The most I can claim for the radio construction articles...
Low Pass Filter $39.95 (larger view) USED Johnson 250-30 1KW Antenna Tuner w/o Meter. Tuner works good and interior is clean. Exterior paint has scratches and blemishes. Metal is all good. $239.95 (larger view) USED JVC 8000 Desk Top Radio AM Broadcast Band Triangle shape: base and ...
Slope tune can be used to move the target signal away from noise using hi-cut and low-cut filters (SSB, FM and AM), while Width allows adjustment of the pass-band to avoid adjacent noise (CW/FSK). Audio quality during transmit can be adjusted to suit by switching between two passband...
MartinM1FDESlideSet7 (4)Receivers SuperhetReceiver •Blockdiagram –MixerchangesvariableRFfrequencytofixedIFfrequency –IFamplifierprovidesselectivitywithseveraltunedcircuits –FixedIFcanusenon-tunablecrystalorceramicfilters Local oscillator Mixer AF amplifier IF amplifier Demodulator BFO 7 ChelmsfordAmateurRadio...
use, including CW, SSB, RTTY, and a new mode designed explicitly for this radio called SCAMP which is a low bandwidth, low SNR digital mode built into the Arduino-based firmware. It’s a single-band radio, but any band between 20 and 80 meters can be selected with pluggable filters. ...
Afterunpacking,immediatelyreportanydamagetotheForradiocommunications,theantennaisofcriticalim- deliveringcarrierordealer.Keeptheshippingcartons.portance,alongwithoutputpowerandsensitivity.Se- lectantenna(s),suchasawell-matched50Ωantenna, Foradescriptionandadiagramofaccessoryequip-andfeedline.1.5:1orbetterofVolta...