TS-990S_broch_2013.pdf

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1、1 1 HF/50MHz TRANSCEIVER TS-990S For Real DXers TS-990S HF/50MHz TRANSCEIVER 2 2 Legend and Innovation T i 3 3 TS-990S Actual size W460 H165 D400 mm Projections not included. The ultimate DX and Contest experience is here. Kenwoods long-awaited fl agship model is equipped with the latest technology

2、that embodies an entirely new HF standard. 4 4 1973 TS-900 The all-band SSB transceiver is making history for its state-of-the-art technology. 1982 TS-930 The HF transceiver is the worlds fi rst Ham Radio transceiver equipped with built-in automatic antenna tuner. 1985 TS-940 The HF transceiver offe

3、rs the high dynamic range that won the struggle through Cycle 22. 1989 TS-950 The HF transceiver is the worlds first digitalized unit that comes with built-in DSP. Repeated innovation turns the tradition into a legend. External Speaker SP-990 Input:5 W NEW 5 2013 TS-990 5 The TS-990S comes equipped

4、with dual receivers for simultaneous dual reception on different bands. It also features narrow-band roofing filters in the main receiver in a full down-conversion configuration. The new TS-990S achieves the highest base-level reception performance of any radio in the TS series, through the careful

5、selection of circuits and components for their high-performance and through an inovative triple DSP configuration. The Trio tone has evolved into the Kenwood tone. Also, thanks to the dual TFT display and superior panel layout, it achieves both comfortable visibility and operability. Our top-of-the-

6、line transceiver is for all radio operators who love HF. HF/50 MHz Transceiver TS-990S Output:200 W NEW Comparison 3rd order Intercept Point characteristics Intercept Point dBm Interfering signals separation kHz frx=14.2 MHz,PRE AMP OFF,BW 500 Hz,MODE CW -20.00 110100 -10.00 0.00 10.00 20.00 30.00 4

7、0.00 50.00 TS-990S Our old model 6 A key point in realising maximum performance from the 1st mixer is to prevent the leakage of unnecessary signals, other than the target signal, from the mixer to the subsequent stage. This is achieved by taking advantage of the digital filter using the DSP in the f

8、inal IF stage. The TS-990S main receiver employs a 1st IF frequency of 8.248 MHz for down-conversion, achieving superior close-in dynamic range unattainable through conventional up-conversion formats. Even if the interference is a close-in frequency, the receiver maintains a ? target signal. We have

9、 achieved a down-conversion format for all amateur bands The horizontal axis shows separation of the target signal and interfering signal frequencies. The newly developed mixer contributes to achieving +40 dBm IP3 Main Receiver Amateur band RF BPFPre Selector featureTransformer feedback RF Amp1 thro

10、ught 0/6/12/18 dB RF BPF ATT Pre Selector Pre Selector 160m BAND 0.01.02.03.04.05.0 -100 -80 -60 -40 -20 0 Frequency (Hz) Amplitude (dB) The TS-990S has the overwhelmingly highest quality receiver among the TS series. The dual receivers facilitate reception on different bands. The main receiver is t

11、he highest quality receiver among the TS series, ? ? ? The TS-990S will surely satisfy any real DXer. In place of the Double Balanced Mixer, which uses the J-FET, we have installed the newly developed Double Balanced Grounded Switch Type in the 1st mixer circuit, which is the heart of the main recei

12、ver. The transceiver is also equipped with an Amateur Bands pre selector function that varies its tuning frequency in tandem with the receiver frequency. It effectively attenuates strong out-of-band signals that ? achieved a +40dBm class third-order intercept point for the signal path of the 1st mix

13、er, based on select circuits and components, employing large core toroidal coils to protect against distortion from large input signals, as well as using relays for the signal switching. 7 1st Mixer The transceiver uses a down-conversion method for ? ? ? 500 Hz and 270 Hz for CW operation, 2.7 kHz f

14、or SSB and 6 kHz and 15 kHz, which are suitable for ? ? course, manual switching is possible as well. The newly developed narrow-band High-IP roofi ng fi lter shows its true value by cutting adjacent unwanted signals The standard equipment includes a TCXO (Temperature- Compensated crystal Oscillator

15、), which stabilizes frequencies at 0.1 ppm as the standard signal source. Unlike OCXO (Oven Controlled crystal Oscillator), which requires warm-up time, this device can start up quickly even from the power-off position, while maintaining a high level of stability. It is in compliance with European e

16、nergy-saving standard Lot6. Power consumption in stand-by energy-saving mode is less ? 10 MHz reference I/O. The TS-990S Local Oscillator Circuit is an independent ? Frequency Division/DDS Direct, the sub-receiver and DDS Direct, and the transmitter and conventional PLL, with the targeted signal sys

17、tem. The newly developed ? oscillator of the main receiver. The device achieves ? format, and relatively spurious-free local oscillation signals that are characteristic of the PLL format, by ? than the intended frequency. It is possible to convert it to 1st IF in a pure state without leaking the tar

18、get signal as noise by reducing static noise from the local oscillator ? You can realize high C/N levels by dividing high frequencies using the newly developed VCO frequency division 1st local oscillator Comes equipped with 0.1 ppm TCXO, which combines high stability and energy saving DDS IC AD 9951

19、 Main receiver 1st Local Oscillator C/N main receiver characteristic example (20m/160m) TS-990S MAIN Local OSC C/N Phase Noise dBc/Hz Offset Frequency Hz 100 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 1,00010,000100,000 14.1 MHz 1.83 MHz 82.78 92.48 MHz 96.48 107.48 MHz

20、 115.48 128.992 MHz 127.48 138.992 MHz PLLPLL AMP AMP Divider 1/N Main reception unit 1st local oscillator block diagram DDS 1.8/3.5/5M 7M 14/18/21/24M .N=10 .N=8 .N=4 (other than these, DDS Direct) throughthrough 270 Hz 500 Hz 6 kHz 15 kHz 2.7 kHz 1st Mixer Roofing Filters Pre AmpPost Amp 500 6 TS-

21、990S MAIN BAND FRONT-END Roofi ng fi lter-characteristic example BW=500 Hz Roofi ng fi lter-characteristic example BW=270 Hz CH1 B/R log MAG CH2 B/R log MAG IF BW 100 HzSWP 8.6 sec SPAN 2 kHz 10 dB/ REF 0 DB 10 dB/ REF 0 DB SPAN 100 kHz CH1 B/R log MAG CH2 B/R log MAG IF BW 100 HzSWP 8.6 sec SPAN 3.

22、5 kHz 10 dB/ REF 0 DB 10 dB/ REF 0 DB SPAN 100 kHz ModePhantom loadStart-up time Stand-by power saving Or Less 0.5 W Approx. 40 seconds Normal Approx. 20 W Approx. 5 seconds Main receiverHF/50MHz TRANSCEIVER TS-990S Triple DSP Sub-receiver Frequencies of 500 Hz and 2.7 kHz are standard ? Roofi ng fi

23、 lter, 500 Hz, 2.7 kHz ? impinges on your reception frequency, thanks to ? can clearly catch signals under conditions made problematic by strong close-in interference signals. Down-conversion occurs on the 160m/80m/40m/20m/15m amateur bands* The sub-receiver, which incorporates the TS-590S receiver

24、Two attractive features of simultaneous dual reception for different bands are that you can easily change the condx on other bands and also easily handle split-operation. From this single device a whole new array of strategies becomes possible. Super sub, which supports simultaneous dual reception.

25、Innovation spurred on by digital technology has revolutionized the Kenwood tone. ? it is still easy to hear and less tiring to listen to. In addition to introducing AGC control using dedicated DSP, ? by radio operators worldwide by innovating the analogue AGC unit and installing numerous interferenc

26、e and noise elimination functions. Such innovations have given new life to Kenwoods legendary tone. The sub-receiver features performance that has exceeded its class since going on sale, thus further refining this popular receiver on the TS-590S. Because this is particularly the case in the front en

27、d, where it employs circuit configuration that ? amateur bands, it can be used in actual operation despite being “just” a sub-receiver. * The IF bandwidth for 160m/80m/40m/20m/15m bands is (SSB/CW/FSK/PSK) for frequency levels 2.7 kHz or below. 8 Sub-receiverHF/50MHz TRANSCEIVER TS-990S Band Elimina

28、tion Filter -1,000 -80 -60 -40 -20 0 -50005001,000 Amplitude (dB) Frequency (Hz) For main receiver IF DSP ADSP-21363 clock 333 MHz For sub-receiver IF DSP, every kind of signal processing ADSP-21369 clock 260 MHz For band scope ADSP-21363 clock 333 MHz Advanced AGC control, fusing together digital a

29、nd analogue The sound quality of the built-in speaker is largely determined by the chassis structure. With the TS-990S, we have been able to minimize unnecessary chassis vibration through multiple simulations from the concept phase. The Kenwood tone is supported not only by circuits and DSP but also

30、 by exact chassis design. Exacting chassis design for realizing quality sound 77 mm Built-in speaker Top plate oscillation simulation example ?- tensive interference depending on use and condition. ? in SSB/AM/FM mode, and WIDTH/SHIFT function in CW/FSK/SSB-DATA transmission mode. ?- width and the a

31、mount of loss. When signals that interfere with the target signal multiply, this is a convenient func- tion for operations such as dampen- ing interference signals, even if it cuts down some of the target signal. IF fi lter bandwidth variability Band elimination fi lter function Extensive interferen

32、ce elimination and noise reduction functions ? ? ? manual notch function that can be changed manu- ally, depending on the nature of the interference. ? bandwidths and switch instantly at any time. Set for narrow or wide, such a function is convenient for com- petitions requiring quick operations. WI

33、DTH If the interference is on one side only, you can shift the central frequency without changing bandwidth. You can avoid neighbouring signals by varying the bandpass width. Target signal Intended signal SHIFT SHIFT WIDTH IF fi lter A/B/C one-touch switch instantly IF notch IF Manual NotchBW 400 Hz

34、 / 800 Hz Amplitude (dB) Frequency (Hz) -1,000 -80 -60 -40 -20 0 -50005001,000 ? which is considered being effective against weak ? ?- ? ? effective against noise that cannot be tracked by an ? can be used simultaneously with the TS-990S. The noise blanker function (NB1/NB2) is equipped with digital

35、/analogue 2 format Other extensive interference elimination and noise reduction functions Beat cancel function (BC1/BC2) The beat cancel function is effective against relatively weak, multiple beats, whereas the IF auto notch is effective against strong beats. Audio peak fi lter You can vary the ban

36、dpass width of the pitch tone in carrier modes such as CW and FSK. FSK is compatible with mark and space frequencies. Kenwood continues to provide quality sound reception that is unattainable through analogue circuits, by incorporating the world-premiere DSP on the TS-950 and achieving IF AGC contro

37、l on the ? transceivers. As a culmination of the foregoing developments, three DSP units are used, one on each major block of the TS-990S. By distributing the signal processing of the main IF, band scope, and sub-IF, we have realized ample digital signal processing. (FM mode is AF DSP processing.) E

38、quipped with dedicated DSP for the main receiver, sub-receiver, and band scope. The reception sound quality of SSB and CW is not solely determined by audio frequency and filter delay properties. AGC characteristics play a very ? fans that “even for long periods of time they never get tired of listen

39、ing” is due to the characteristics of Kenwoods AGC. The TS-990S goes a long way in helping further refine the Kenwood tone by innovating not only the AGC control algorithm on the DSP but also the analog AGC unit as well. IF AGC control block diagram RX IF AGC DET RX Audio IF Filter AutoManual Notch

40、Band Elimination Filter OUT Band ATK/REL Manager AGCV DAC Analog AGCV IF ADCDigital NB AGC DETAGC DET Demod SOFT-ATK CONT The TS-990S is also equipped with two types of ? noise reduction format is applied to each reception ?- plied which is more effective in CW operation. DSP-based noise reduction f

41、unction (NR1/NR2) 9 HF/50MHz TRANSCEIVER TS-990SDSP/IF filter Transmit ANT 1234 MAIN RX ANT OFF MAIN BAND RECEIVER SUB BAND RECEIVER OFF ON ON AT RX TX MAIN BAND ANT Selector SUB BAND ANT Selector Transmission Unit RX OUTRX IN SUB RX ANT 3rd order TX IMD 14.2 MHz / 200 W SPAN 10 kHz10 dB / div -10 -

42、50 -70 -90 -30 FET attributes. Further, you can realize Kenwoods distinctive tone by amplifying the clean modulated signal produced by DSP with an amplifier that exhibits excellent linearity. ? ? ? achieve superior IMD properties by pursuing bias and matching conditions in order to fully exploit the High reliability design promises stable operation at 200 W The built-in automatic antenna tuner is a preset type that covers amateur band freq