
2014 Edition HAM RADIO PRODUCTS All Band Transceivers Mobile Transceivers Handheld Transceivers Base Station Transceivers Icom’s flagship HF transceiver +40dBm 3rd order intercept point (in the HF bands) Three hi-spec 1st IF filters (roofing filters) Two completely independent receiver circuits Spectrum waterfall display Audio scope function 200W output power and high-stability transmitter Three Hi-spec 1st IF Filters (Roofing Filter)*1 is not possible with crystal or mechanical filters. In addition to selectable 6kHz and 15kHz They allow the operator to adjust filter shape roofing filters, the IC-7800 has a 3kHz roof- (sharp or soft), filter bandwidth, and center fre- quency characteristics, without missing the action. UPGRADE MODEL ing filter before the 1st IF amplifier. It pro- vides 134dB*2 (approx.) of blocking dynamic Multiple filter memories store the most recently used filter settings for each operating mode. +40dBm IP3 range and allows you to pull out a weak sig- (3rd order Intercept Point) nal while blocking strong adjacent signals. (The FM mode filter is fixed at 15kHz.) Icom’s considerable analog RF circuit experi- *1 Icom calls the roofing filters “hi-spec 1st IF filters” ence combined with cutting-edge digital because their performance is much better than technology results in an astonishing 110dB regular IF filters. *2 At 14.1MHz receive, with Filter preset screen receiver dynamic range and a +40dBm IP3 5kHz separation of interference signal. in the HF bands – the first in ham radio! To Real-time Spectrum Scope achieve this superior receiver performance, With its own dedicated DSP unit, the IC-7800’s Icom’s engineering team completely re-engi- spectrum scope provides excellent sensitivity neered all of the analog circuitry to match and 80dB of dynamic range. This scope rivals the DSP (Digital Signal Processing) system. many of today’s commercial test instruments. The display spans ±2.5kHz to ±250kHz in 7 steps, covering up to 500kHz of spectrum! Example of spectrum scope centered on the receiving frequency. BPF unit Hi-spec 1st IF filters (Roofing filters) Example of fixed spectrum scope Two Completely Independent range. Receiver Circuits DIGI-SEL unit Dual receivers allow you to receive on two dif- Other Outstanding Features ferent bands simultaneously in different modes, [Antenna and receiver] • 4 antenna con- without the receivers affecting each other. nectors with automatic antenna selector • Automatic antenna tuner • Special preamp Digital IF Filter and mixer circuit optimized for 50MHz band Icom’s digital IF filters give you performance that • 3-step manual notch filter • Digital twin PBT 1 Base Station Transceivers eliminates interference from adjacent signals PC Mouse Operation Digital Voice Recorder • 16-step noise reduction Connect a mouse via USB to select operating Automatically capture incoming/outgoing calls [CW mode] • DSP-controlled CW keying frequency and control the spectrum scope. onto an external memory card or flash drive. waveform shaping • Multi-function electronic Audio Scope Function Other New or keyer with adjustable keying speed, dot-dash ratio Enhanced Functions and paddle polarity • APF selection (soft/sharp) Review the FFT scope with waterfall • Waveform outline in spectrum scope (ON/ [Operation] • Four independent, 32-bit DSP and oscilloscope. In OFF) • Voice TX function transmits the units and 24-bit AD/DA converters • Ultra CW mode,observe recorded audio repeatedly • Increase APF high stability OCXO unit • 200W output mic compressor level volume level up to 6dB (Adjustable by 1dB power, built-in • 7-inch wide color TFT LCD and other attributes. Audio scope (FFT scope with step) • TX delay function sets the transmission • High-quality digital voice memory • Triple waterfall and oscilloscope) timing to control a connected external linear band stacking register • Built-in RTTY and Simplified Remote Control Operation amplifier (OFF/10ms/15ms/20ms/25ms/30ms, PSK31 modulator and demodulator • Message each for HF and 50MHz band) • Added RIT memory for CW, RTTY and PSK31 opera- Connect directly to an IP network using and ∂TX commands for CI-V remote control tions • Twin peak audio filter for RTTY oper- Icom’s optional RS-BA1 software and the ation • CF memory card for storing custom- IC-7800’s internal base station function. (A ized personal settings • 101 memory chan- user operation PC is still required; a base nels • AGC control for fine tuning of the AGC station PC is not.) time constant • Microphone equalizer and adjustable transmit bandwidth • FFT scope averaging function for PSK and RTTY decode • Screen saver function IC-7800 Upgrade Functions Spectrum Waterfall Display Review RF and AF characteristics on the IC-7800’s impressive 7-inch color LCD. Includes a wide screen Spectrum scope with waterfall setting. (wide screen setting) 2 +40dBm 3rd order intercept point (in the HF bands) 2nd order intercept point higher than +110dBm Excellent inband IMD specifications Three hi-spec 1st IF filters (roofing filters) Spectrum waterfall display Audio scope function 200W output power and high-stability transmitter REF –20.0dBm REF –20.0dBm More than +110dBm IP2 10 dB/ *A_View Norm B_Blank Norm 10 dB/ *A_Write Norm B_Blank Norm (2nd order Intercept Point) An IP2 point of more than +110dBm* means UPGRADE MODEL 2nd order distortion from strong broadcast stations will be completely eliminated. The continuous pursuit of leading analog circuit START 0Hz STOP 2.000 kHz START 0Hz STOP 2.000 kHz *RBW 10Hz VBW10Hz SWP 40s ATT 10dB *RBW 10Hz VBW10Hz SWP 40s ATT 10dB +40dBm IP3 (3rd order Intercept Point) engineering makes it possible to achieve this S9 equivalent signal input S1 equivalent signal input REF –20.0dBm and 110dB Dynamic Range leading edge level of performance. 10 dB/ *A_Write Norm B_Blank Norm The IC-7700 employs mechanical relay BPF * The IP2 figure is a typical value. switching, a digitally tuned pre-selector, and ** Measurements were made using custom three hi-spec 1st IF filters (roofing filters) in a equipment, due to the limits of normal signal clean and simple double conversion superhet- generators (SG) and duplexers to +85dBm. erodyne design. By balancing the analog and START 0Hz STOP 2.000 kHz *RBW 10Hz VBW10Hz SWP 40s ATT 10dB DSP functions, the IC-7700 provides superior S9 +60dB equivalent signal input sensitivity simultaneously with a superb dynam- ic range of 110dB, and +40dBm IP3 (even in Three Hi-spec 1st IF Filters (Roofing filter) USB mode with 2.4kHz filter bandwidth). Now a proven formula, the IC-7700 employs custom three hi-spec 1st IF filters (roofing filters) to achieve approximately 134dB*1 of blocking dynamic range. DIGI-SEL unit High Specification Inband IMD *1 At 14.1MHz receive, with 5kHz separation Inband IMD (Intermodulation Distortion) creates of interference signal. undesired spurious signals as a consequence of Hi-spec 1st IF filters (Roofing filters) non-linear processing of multiple signals. All USB Connectors on the Front Panel BPF unit (2nd, 3rd or even higher) orders of IMD perfor- mance are superior in the IC-7700. The Two USB connectors on the front panel allows improvement will be especially evident in CW you to easily connect a USB keyboard or USB mode. You’ll notice the difference as you copy flash drive to save transceiver settings, update weak signals without internal distortion or noise. firmware, or transfer settings to another IC-7700. 3 Base Station Transceivers Other Outstanding Features IC-7700’s impres- Simplified Remote Control Operation [Antenna and receiver] • 4 antenna connectors sive 7-inch color Connect directly to an IP network using Icom’s with automatic antenna selector • BNC type RX LCD.Includes a optional RS-BA1 software and the IC-7700’s IN/OUT connectors • Automatic antenna tuner wide screen set- internal base station function. (A user operation • Preamp for 50MHz band • 3-step manual notch ting. PC is still required; a base station PC is not.) filter • Digital twin PBT eliminates interference Spectrum scope with waterfall (wide screen setting) Digital Voice Recorder from adjacent signals • 16-step noise reduction PC Mouse Operation Automatically capture incoming/outgoing calls [CW mode] • DSP-controlled CW keying Connect a mouse via USB to select operating onto an external memory card or flash drive. waveform shaping • Multi-function electronic frequency and control the spectrum scope. Other New or Enhanced Functions keyer with adjustable keying speed, dot-dash • Waveform outline in spectrum scope (ON/ ratio and paddle polarity • APF selection Audio Scope Function OFF) • Voice TX function transmits the (soft/sharp) • Double key jack system Review the FFT recorded audio repeatedly • Increase APF [Operation] • Two AGC loops • 7-inch wide scope with waterfall volume level up to 6dB (Adjustable by 1dB color TFT LCD • Real-time spectrum scope and oscilloscope. In step) • TX delay function sets the transmission • Built-in power supply • High quality digital CW mode,observe timing to control a connected external linear voice memory • Message memory for CW, mic compressor amplifier (OFF/10ms/15ms/20ms/25ms/30ms, level and other RTTY and PSK31 • Built-in RTTY and PSK31 Mini spectrum scope and audio scope each for HF and 50MHz band) • Added RIT modulator and demodulator • Twin peak attributes. and ∂TX commands for CI-V remote control audio filter for RTTY operation • Triple band stacking register • 101 memory channels • AGC control for fine tuning of the AGC time constant • Microphone equalizer and adjust- able transmit bandwidth • FFT scope aver- aging function for PSK and RTTY decode • Screen saver function IC-7700 Upgrade Functions Spectrum Waterfall Display Review RF and AF characteristics on the 4 Double Conversion Superheterodyne Three Built-in 1st IF (Roofing) +30dBm IP3 Improves Inband IMD Filters, Including 3kHz The IC-7600 has three built-in 1st IF (roofing) The IC-7600 employs a double conversion filters ahead of the 1st IF amplifier stage. The superheterodyne system which has an 3kHz filter is especially effective in CW and image rejection mixer for the 2nd mixer Improved inband IMD SSB modes, eliminating overloading caused stage.
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