The image rejection mixer for the 2nd stage The 1st mixer stage is driven with a signal from the high-drive System composed of a DMOS FET 1st mixer and a newly developed image rejection mixerįor the 2nd stage.
Spurious signals and distortion from transceivers. Simple receiver system configuration is the best way to eliminate sources of the Is manually adjustable from the DIGI-SEL tuning knob on the front panel. It automatically tracks the intended signal keeping the pre-selector’sīandwidth centered on the operating frequency. The pre-selector works between 1.5MHz and 30MHz and rejects distortion componentsĭerived from out of band interference such as multimulti operation or strong broadcast (FM mode is fixed to 15kHz.) Icom’s DIGI-SEL Select the filter widths from 15kHz, 6kHz and 3kHz, depending on operating mode. The IC-7800’s three roofing filters block strong adjacent signals. Relay reduces secondary distortion at the primary stage of signal processing.Ĭontesters know how frustrating it is to experience a strong adjacent signal that’sīlocking the receiver from pulling out a weaker signal. Semi-conductors, like switching diodes which can cause distortion. The IC-7800 uses durable mechanical relays for BPF switching instead of non-linear The whole analog circuit and matched it to the DSP units. This superior receiver performance, Icom’s engineering team completely re-engineered (3rd order Intercept Point) Icom’s considerable analog RF circuit experienceĬombined with cutting-edge digital technology results in an astonishing 110dB receiverĭynamic range and a +40dBm IP3 in the HF bands. Icom has developed the ultimate Amateur HF transceiver. In the HF bands something that has never been achieved in Ham radio! Simply put,
With 110dB dynamic range, +40dBm 3rd order intercept point, and unmatched DSP technology The IC-7800 is an artistic fusion of over 40 years analog RF circuit developmentĮxpertise and cutting-edge digital technology. The IC-7800 will be viewed as the pinnacle Radio to a whole new level of performance. Some of today’s operators still feel the IC-781 is The IC-781 set benchmarks back in the 1980’s as that generation’s The IC-7800’s somewhat familiar looks will remind many HF operators of the Continuing with this tradition, Icom announces the groundbreaking IC-7800! IC-756PRO, Icom’s developed some of the most innovative radio equipment ever Starting with the first analog PLLĬircuit in the IC-200 to the ground-breaking 32- bit DSP technology used in the Icom is a pioneer in the amateur radio world.
#Icom ic 7800 power Pc
(A user operation PC is still required a base station PC is not.)
#Icom ic 7800 power software
Direct Remote Control Operation: Connect directly to an IP network using Icom’s optional RS-BA1 software and the IC-7800’s internal base station function.In CW mode, observe mic compressor level and other attributes. Audio Scope Function: Review the FFT scope with waterfall and oscilloscope.To select operating frequency and control the spectrum scope. PC Mouse Operation: Connect a mouse via USB.Spectrum Waterfall Display: Review RF and AF characteristics on the IC-7800’s impressiveħ-inch color LCD.
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