IC-756 PRO II Raising the Bar by listening to our customers CL: JD: PM: RN 10/25/01 Page 1
The Ultimate Station CL: JD: PM: RN 10/25/01 Page 2
Summary of Improvements • Improved 3 rd Intercept point • Improved RX audio fidelity • Improved sensitivity • DVR operation with band scope enabled • Selectable digital filer shape CW and SSB • Improvement of the noise reduction control • New noise blanker level control • Lower floor noise level in the band scope • External control of keyer • Improved contrast of labeling of control knobs and buttons • Higher quality display • More display backgound colors and CL: JD: PM: RN 10/25/01 Page 3 schemes
Target Market • Contesters – Looking for a competitive edge • HF operators – Desiring a high end rig • 756 Pro Owners • The enhancements they requested • Serious Data Operators • “I want the best” buyer – Top-of-the-line CL: JD: PM: RN 10/25/01 Page 4
Positioning Strategy • • Most advanced DSP for Amateur radio “Best” receiver performance Advanced transmitter Innovative Multi-function display Contester’s competitive edge User friendly ergonomics Advanced data modes CL: JD: PM: RN 10/25/01 Page 5
Most advanced DSP for Amateur radio CL: JD: PM: RN 10/25/01 Page 6
New 32 -Bit Floating Point DSP New 24 - bit AD/DA Converter • Ultra-wide dynamic range of signal management • Clear signals without distortion • Many DSP functions CL: JD: PM: RN 10/25/01 Page 7
AGC Loop Management • Multiple AGC loops - Rejects unwanted signals or noise • Better than rigs with a single AGC circuit -Copies weak signals without pumping AGC from stronger signals -Eliminates need to constantly “ride the volume” • Reduces user fatigue • Provides for nearly “hands free” listening! • Selectable AGC time constants - Flexibility - Speed - Perfect for working pileups CL: JD: PM: RN 10/25/01 Page 8
Set Mode (AGC) If the AGC is too fast or too slow Quick setting change can make it just right Different settings for different modes CL: JD: PM: RN 10/25/01 Page 9 Eliminates adjustments when hopping around the band.
Best receiver performance • • Improved Third Order Intercept Point Improved Noise Reduction Improved Sensitivity Without Preamp Selectable IF Filter Shape Digital Twin Pass Band Tuning Adjustable Level Noise Blanker Manual & Automatic Notch Filter Dual Watch CL: JD: PM: RN 10/25/01 Page 10
Improved Third Order Intercept Point • New 4 element system • Refined receiver front-end mixer circuits • Improved Input filter Buffer amplifier RF stage components CL: JD: PM: RN 10/25/01 Page 11
Benefits • Greater harmonic image rejection • Images of harmonics can degrade receiver performances • Improved received “image” rejection from strong signals on other frequencies • Cleaner receiver performance • Helpful during peak propagation • Great for the weak signal listener CL: JD: PM: RN 10/25/01 Page 12
Improved Noise Reduction • Reduces natural and man- made noise level • Adjustable from the front panel • Separates signal from the noise • Outstanding S/N ratio • Clean clear audio • All modes • No distortion of the target signal CL: JD: PM: RN 10/25/01 Page 13
Improved sensitivity without pre-amp • Improved weak signal monitoring – Without increased noise – less necessary to rely on the preamplifier during weak signal reception. • Lower noise, per a given signal level • Perfect for weak signal work • Available if needed – 2 level pre-amp – 3 level attenuator CL: JD: PM: RN 10/25/01 Page 14
Selectable IF Filters CL: JD: PM: RN 10/25/01 Page 15
• Select up to 51 digital filters • No extra filters to buy • Changed easily via the user menu • Tailors the received signal • Helpful when working pileups where strong signals are present • Great for the contester , DXer, or ragchewer on today’s crowded bands ! CL: JD: PM: RN 10/25/01 Page 16
Selectable Filter Shapes SSB Sharp CW Sharp • Sharp selectivity • Signal fidelity • Full audio response • Eliminates adjacent interference • Good readability • Pick out weak signals • Traditional shape • Highs and lows rolled off • Increased S/N ratio SSB Soft CW Soft • Ultimate sharpness • Better than mechanical & crystal • 200 Hz from -6/-60 d. B • Pick out weak signals • Digital filter, analogue operation • Better for pileups • No ringing CL: JD: PM: RN 10/25/01 Page 17
Set Mode (Filters CW) CW filter selections as simple as 1, 2, 3. Select each filter setting by pushing the filter button Make changes on the fly with the Digital PBT CL: JD: PM: RN 10/25/01 Page CW pitch changes the center frequency, which is shown on the display 18
Set Mode (Filters SSB) Visual guides display status of IF bandwidths Select FIL 1, FIL 2, and FIL 3 settings Use Digital Twin PBT to narrow or shift the IF bandwidth Great for teaching others in radio operation CL: JD: PM: RN 10/25/01 Page 19
Filter Indicators Filter indicators on TFT display provide visual confirmation of filter status BW =Bandwidth, SFT = Shift See changes made with Digital Twin PBT See filter and mode selected CL: JD: PM: RN 10/25/01 Page 20
Digital Twin Passband Tuning • An ICOM exclusive • Flexibility of both: IF Shift – moves the pass band PBT- narrow the pass band • Cut away interference and noise • Hear the actual signal • TFT Displays status CL: JD: PM: RN 10/25/01 Page 21
Adjustable Level Noise Blanker • • • Minimize or eliminate pulse type noises Adjust threshold of noise blanker (101 steps) Maximize noise blanker level Manage offending noise Without distorting target signal audio Greatly enhance weak signal copy CL: JD: PM: RN 10/25/01 Page 22
Manual Notch • An impressive 70 db attenuation • Eliminate Strong adjacent signal Beat tone noise Carriers, heterodynes, “tuner- uppers”, and other annoying tones • No reduction of AGC gain performance CL: JD: PM: RN 10/25/01 Page 23
Automatic Notch Function • Eliminate 3 or more interfering signals • Even if moving • No signal loss or distortion • Helpful on 80 and 160 meters • A great feature for the active SSB operator! CL: JD: PM: RN 10/25/01 Page 24
Dual Watch Function • Receive 2 signals on the same band • Listen to your favorite net • Keep and ear on the Dx window CL: JD: PM: RN 10/25/01 Page 25
Advanced Transmitter • • 100% Duty Cycle Perfect audio Microphone equalizer RF Speech compressor CL: JD: PM: RN 10/25/01 Page 26
100% Duty Cycle • Two 2 SC 5125 transistors in the PA unit • Superior IMD characteristics • Plenty of power for long contest hours • Demand of data modes CL: JD: PM: RN 10/25/01 Page 27
Perfect Audio • Digital Phase Shift Network (DSPN) • Used in the SSB modulator • Provide clear, high quality Tx audio • Voice and data operations CL: JD: PM: RN 10/25/01 Page 28
Microphone Equalizer • Tweak Tx audio with separate treble and bass • Built-in audio equalizer • 121 combinations • Warm, full audio • Selectable Tx bandwidth 2. 2, 2. 4, 2. 8 k. Hz • Go from ragchew to Dx audio with the push of a button CL: JD: PM: RN 10/25/01 Page 29
RF Speech Compressor • Utilizes the 32 Bit DSP • Maximum punch • No fuzzy sound • Break through the noise • Easily adjusted • More average “Talk Power” CL: JD: PM: RN 10/25/01 Page 30
Innovative Multi-function display CL: JD: PM: RN 10/25/01 Page 31
CL: JD: PM: RN 10/25/01 Page 32
5 -Inch TFT Color Display • 8 colors • 7 fonts CL: JD: PM: RN 10/25/01 Page 33
Displays CL: JD: PM: RN 10/25/01 Page 34
More Displays CL: JD: PM: RN 10/25/01 Page 35
Real Time Spectrum Scope • Improved Band scope Noise Floor • What once took a S 5 signal to see no longer the case. • Select from four attenuator levels. 10 d. B 20 d. B 30 d. B CL: JD: PM: RN 10/25/01 Page 36
Contester’s competitive edge CL: JD: PM: RN 10/25/01 Page 37
Contester Features • Instant RIT/TX clear • SSB/CW “synchronous tuning” • External control of Digital Voice Recorder Playback & Memory • External control of memory keyer • Keyer selectable while displaying the band scope • Triple band stacking registers • Multiple antenna system CL: JD: PM: RN 10/25/01 Page 38
Instant “RIT Clear” Function • • Select “quick clear” for instant zeroing Great for contesters Clear the RIT instantly after a QSO Reset the RIT to the VFO’s actual frequency Move on to the next contact! Other users may prefer regular clear “Push and hold” action Prevents accidental clearing CL: JD: PM: RN 10/25/01 Page 39
SSB/CW Synchronous Tuning • No lost CW signals while tuning through the bands • Frequency automatically shifts with mode CL: JD: PM: RN 10/25/01 Page 40
Digital Voice Recorder • • • Send Call sign, CQ or other 4 memory locations 90 seconds total Soft partitioned Variable memory sizes • • • Receive Record 15 seconds of received audio 4 slots available 30 minutes continuously Great for recording those memorable DX QSO’s! Select from external system too CL: JD: PM: RN 10/25/01 Page 41
External Control of DVR Create your own controls on your favorite key, microphone or keyboard CL: JD: PM: RN 10/25/01 Page 42
Memory Keyer • 4 memories • Station information, call sign, etc. • 55 characters • Other functions – Automatic repeat – Serial contest number auto counter – Morse cut number • External control pad • Use while watching band scope • Increase your Q count CL: JD: PM: RN 10/25/01 Page 43
Triple Band Stacking Register • Eg: on the 20 meter (14 MHz) band • “Band” pushed three times • Toggle the last used, 20 meter CW, RTTY, and SSB frequencies CL: JD: PM: RN 10/25/01 Page 44
Multiple Antennas • Fully automatic antenna system • Built in tuner • Automatic antenna selection • Change bands and antennas with one push • 3 RX and 2 TX switch • Separate Rx antenna CL: JD: PM: RN 10/25/01 Page 45
Advanced Data Operations • Digital & Voice modes store filter settings independently • Compression no longer allowed in Digital Modes • 1/4 Tuning Steps in Digital Mode • Improved low-level volume control CL: JD: PM: RN 10/25/01 Page 46
Data Communications • • SSB, AM & FM Auto BPF selected <500 Hz in SSB mode Auto sharpen Auto compression turn off Auto ¼ tuning step Perfect for PSK 31, SSTV, AFSK CL: JD: PM: RN 10/25/01 Page 47
Twin Peak Audio Filters • 32 bit DSP improves RTTY reception • Automatically peaking the areas of the mark and space frequencies • Removes QRM • Error free decoded messages CL: JD: PM: RN 10/25/01 Page 48
High Stability Crystal Unit • POC type crystal oscillator • +/- 0. 5 ppm • A must for MARS or other digital operation CL: JD: PM: RN 10/25/01 Page 49
CL: JD: PM: RN 10/25/01 Page 50
RTTY Demodulator and Decoder • Built in RTTY demodulator and decoder • Reads baudot signals on the screen • Copy w/out PC • Tuning indicator show where you are CL: JD: PM: RN 10/25/01 Page 51
User Friendly Ergonomics CL: JD: PM: RN 10/25/01 Page 52
CL: JD: PM: RN 10/25/01 Page 53
New Meter • Multifunction meter • Easily viewed, with a multicolor scale. • Measures. • SWR- measurement of the connected antenna • ALC- microphone adjustment levels • Compression- transmitter audio compression levels • RF Power- transmitter power output levels • “S” Unit- received signal strength levels CL: JD: PM: RN 10/25/01 Page 54
New Keypad IC-756 PRO II IC-756 PRO Feed back from the ham radio community said the keypad on the IC-756 PRO was too hard to read. The new keypad with improved lettering for better readability. CL: JD: PM: RN 10/25/01 Page 55
Rear Panel Very simple and clean layout which was very popular in the IC-756 PRO has been adapted for the ‘PRO II. CL: JD: PM: RN 10/25/01 Page 56
Standard Features • 32 -bit Floating Point IF DSP • Multiple AGC • Twin Passband Tuning • User Selectable AGC • User Selectable IF Filters • 160 -6 Meters • 100 watts • 100% Duty Cycle • • Digital Voice recorder CW Memory Keyer Computer Controllable TCXO Standard Transverter port 2 TX/RX antenna ports 1 RX only antenna Port CL: JD: PM: RN 10/25/01 Page 57
CL: JD: PM: RN 10/25/01 Page 58
CL: JD: PM: RN 10/25/01 Page 59
CL: JD: PM: RN 10/25/01 Page 60
CL: JD: PM: RN 10/25/01 Page 61
Accessories CL: JD: PM: RN 10/25/01 Page 62
Скачать презентацию IC-756 PRO II Raising the Bar by listening
ac335ccd980ea8c91cc5ac495e482792.ppt