Icom IC-7851 User Manual Download | Manualshive

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THE

TRANSCEIVER

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Summary of Contents for IC-7851

Page 1: ...THE TRANSCEIVER...

Page 2: ...the design of the IC 7851 Icom s engineers focused on a new Local Oscillator LO that drastically reduces the phase noise As a result of this design the purity of the LO achieves a Reciprocal Mixing D...

Page 3: ...ssive 20dB improvement is seen with the IC 7851 s 10 kHz measure ment and more than 30dB improvement at a 1 kHz measurement in com parison to the IC 7800 Phase Noise Characteristics Comparisons Receiv...

Page 4: ...r filtering by watching filtering adjustments take out interfering signals including filter width and notch filter placement The processing power in the IC 7851 allows for dual mini band scopes as wel...

Page 5: ...851 has multiple AGC loops The AGC voltages detected in front of and behind the digital IF filter in the DSP unit The first AGC loop prevents saturation of the 1st IF amplifier The other AGC loop dete...

Page 6: ...eble The receive audio can be tailored with mode specific Bass Treble or audio passband settings Digital Twin PBT Passband Tuning Once the IF filters have been tweaked the op erator has additional con...

Page 7: ...synthesizer announces the operat ing frequency mode and S meter level Programmed scan memory scan select memory scan VSC scan and f scan Auto tuning step function Dial lock function Main dial tension...

Page 8: ...V 2 V 0 5 V 28 29 9MHz 50 54MHz 0 13 V 1 V 0 32 V SM 50 DESKTOP MICROPHONE IC PW1 IC PW1EURO HF 50MHz 1kW LINEAR AMPLIFIER SP 34 EXTERNAL SPEAKER Automatic antenna tuner and compact detach able contr...

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