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36

07 DSP

Reception

Demodulation

●

SSB, CW, FSK and PSK Modes

Demodulation processing in the SSB, CW, FSK and PSK modes is based on the well-established PSN (Phase Shift

Network) system.
The optimal design of the PSN system is determined by the characteristics of the IF filter that comes with the transceiver.

If a steep and large-attenuation filter similar to the IF filter of the TS-890S is used, the number of reverse bandwidths to

be canceled by the PSN system is very small. In the earlier section on IF filters, we have explained that the passband

width, which is the basis for determining the shape factor, and also the IF filter configuration vary depending on the RX

mode. By adopting a PSN design according to the IF filter to minimize the filter order, it is possible to improve the group

delay characteristics on the low passband, which is a drawback of the PSN system.
Doing so enables quality sound to be obtained up to the lower band when the passband width of the IF filter is widened.
In the SSB mode, “0 Hz” can be configured as the low-cut frequency for the IF filter. This means that the cut-off

frequency has been configured for the carrier point so as to extend the low passband to its maximum using the PSN

system described above.

●

AM Mode

In the AM mode, absolute demodulation is performed to obtain an envelope of the IF signal as a demodulation signal.

●

FM Mode

In the FM mode, after mixer processing and conversion to I/Q signal are performed to convert the center frequency of

the IF signal to 0 Hz, demodulation signal is obtained by performing Atan processing to extract and differentiate the π

∼

+π phase component.

●

FSK Mode

In the FSK mode, audio signal that is detected with the PSN system is output to a speaker or external output terminal

regardless of the status of the RTTY decoder (On or Off). When the RTTY decoder is turned on, frequency is detected

through a path that is different from that for audio output, and the RTTY baseband signal is acquired and used for

decoding.
The RTTY decoder operates in the FSK mode (only if 170 Hz is configured for the shift width).

●

PSK31/63 Mode

In the PSK mode, audio signal that is detected with the PSN system is output to a speaker or external output terminal

regardless of the status of the PSK31/63 decoder (On or Off). When the PSK31/63 decoder is turned on, delay detection

is performed through a path that is different from that for audio output, and the PSK31/63 baseband signal is acquired

and used for decoding.
Also, the AFC (Automatic Frequency Control) feature can be used with the PSK31/63 decoder. AFC processing is

performed on the path from IF to the decoder, but audio output signals will not be processed. This is to output the audio

signal to the PC while using the internal decoder, thereby enabling AFC and decoding to be carried out concurrently by

the decoder software, etc. that is installed on the PC.

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Содержание TS-890S

Страница 1: ......

Страница 2: ...s referenced herein are trademarks or registered trademarks of their respective manufacturers Marks such as and are omitted in the body text INDEMNITY JVC KENWOOD Corporation takes all appropriate measures to ensure all descriptions in this manual to be accurate however this manual may still contain typos and expressions that are misleading JVC KENWOOD Corporation is entirely free from any respons...

Страница 3: ...ure ANT OUT Connector 24 TS 890S User Report 25 06 MPU PERIPHERAL CIRCUIT MPU Peripherals for Transceiver Control 28 MPU Peripherals for Application Control 28 MPU Peripherals for Operation Panel Control 28 07 DSP Features of TS 890S DSP Technologies 29 DSPs and Peripheral Hardware 29 Signal Processing in the IF Stage 30 IF AGC 30 AGC Quick Recovery 31 IF Filter 32 Interference Rejection 34 Recept...

Страница 4: ...ware 66 System Configurations 67 New Option ARCP 890 Radio Control Program forTS 890S Free Software Application 70 Basic Specifications Inherited from the ARCP 990 70 User Interface 70 New Option ARHP 890 Radio Host Program Free Software Application 71 Basic Specifications Inherited from the ARHP 990 71 User Interface 71 ARUA 10 USB Audio Controller Free Software Application 72 Basic Functions 72 ...

Страница 5: ...egnable front end as suggested by these numerical values we have developed an original AGC algorithm that enables demodulation of incoming signals using the KENWOOD tone that is non tiring even during prolonged operation in contests Listening to the tone is equivalent to the joy of receiving signals However numerical performance is not the only criterion that determines whether a transceiver can b...

Страница 6: ...ations Auto Scroll mode filter scope TX digital meter etc Top class basic reception performance covers all frequency bands with the down conversion system Comes equipped with 15 kHz 6 kHz 2 7 kHz and 500 Hz roofing filters 270 Hz roofing filter is available as an optional item HF band 50 MHz band 70 MHz European model only 100 W heavy duty output 50 W 70 MHz for European model Built in auto antenn...

Страница 7: ...ealizes the bandpass filters with steep attenuation characteristics and performance sufficiently tolerant to adjacent interfering signals is secured Next is the bandpass filters placed in the front end block The use of a low first IF signal allows reception interference and or spurious reception by image frequencies to easily take place thus it is necessary to place a number of bandpass filters wi...

Страница 8: ...ront end Circuit for the Receiver The first IF signal enters the roofing filter through the bandscope branching circuit and the post amplifier and the adjacent interfering signals outside the band is eliminated The Block Diagram of the IF Circuit for the Receiver shown below shows the circuit configuration subsequent to the roofing filters The first IF signal routes through the AGC amplifier and t...

Страница 9: ...ediate frequency IF circuit of the receiver In other words this represents a narrowband filter where the signal converted to the intermediate frequency first passes through The received signals include a number of strong adjacent interfering signals other than the desired signal thus by the attenuated amount outside the band of the filter the signal is less likely to be distorted in the subsequent...

Страница 10: ...ndwidth is the 6 pole MCF The filter of the 500 Hz bandwidth is structured as the ladder type to suppress in band insertion losses and to steeply shape the adjacent out of band attenuation characteristics The ladder filter of the 270 Hz bandwidth which is the much narrower band is also available as an optional filter For each ladder filter frequency response the Frequency Response of the 500 Hz Ba...

Страница 11: ...AGC response characteristics with the combination of an AGC circuit in which a dual gate MOSFET is used and the correction process made by DSP The AGC Circuit with a Dual Gate MOSFET is shown below Fig 7 AGC Circuit with a Dual Gate MOSFET The AGC Response Characteristics to a Control Voltage graph below shows the AGC response characteristics to a control voltage in the circuit configuration with ...

Страница 12: ... model Turning off the pre amplifiers lowers the gain and the S meter needle deflection For the gain change by a pre amplifier approximately 12 dB is the standard configuration in the amateur bands up to the 21 MHz band and approximately 20 dB in the higher bands The S Meter Levels table shows the indicated levels of the S meter The S meter level is managed at S1 S9 or S9 60 dB in the 14 M 50 MHz ...

Страница 13: ...ain reduction causes the S meter needle to deflect closer to S3 A 6 dB gain reduction causes the sensitivity to change little and the reception sound volume does not change even with reception of a usual signal that makes the S meter needle deflect If the noise level is noticeable adjust the RF gain The S N sensitivity does not lower until the RF knob is in the 12 o clock position even when the pr...

Страница 14: ...ufficiently take effect if the roofing filter bandwidth is narrow However the DSP digital noise blanker NB2 may be unexpectedly effective in CW mode even in a bandwidth of 500 Hz or lower This is because NB2 operates flexibly conforming the blanking time to the pulse length NB2 produces an effect on the acquisition of a weak desired signal that is buried in the noise with a long pulse width that N...

Страница 15: ...signals are received The signal can bypass the attenuator after switching the jumper pins on the board so as to allow the sensitivity to increase The image Jumper Pin Locations is the image of the TX RX unit board with the main band attenuator jumper pins placed Detach the TS 890S lower case to access the TX RX unit Before detaching the lower case be sure to first detach the upper case There is th...

Страница 16: ...circuit that controls the signal for stable transmit output and enters a mixer circuit for conversion to the desired transmit frequency Also fine gain control is performed according to the situation such as lowering the amplifier gain when there is no key down during operation in the CW mode Processing in this way enables low noise and high quality transmit signals to be obtained The signal conver...

Страница 17: ...b anti distortion characteristics and clean output power Fig 14 Transmit IMD Characteristics 14 2 MHz 100 W output power Fig 15 Transmit Spurious Response 14 2 MHz 100 W output power High speed Relay controlled Antenna Tuner The TS 890S has a high speed relay controlled antenna tuner which digitally controls in a combination of capacitors of different capacitance through switching relays The digit...

Страница 18: ...inal Descriptions for the REMOTE Connector Terminal No Terminal Name Function Input Output 1 SPO Speaker out O 2 COM Common terminal of the built in relay for linear amplifier control I O 3 SS PTT input Sends signal by grounding the SS terminal I 4 MKE Make terminal of the built in relay for linear amplifier control The make terminal can be connected to the common terminal during transmission by c...

Страница 19: ...le the signal pulled up by the linear amplifier is being short circuited to ground When such a linear amplifier is connected configure Active Low for the LKY terminal However the amount of withstand voltage and current are not large DC 50 V or less 100 mA or less thus it is not possible to drive a relay in this circuit or connect those which are activated with high voltage such as some of the evac...

Страница 20: ...rminal pin 6 to enable proper transmit power control The External ALC Voltage can be configured to 1 2 3 4 default setting 5 6 7 8 9 or 10 V and the internal gain starts to decrease upon roughly reaching the preconfigured voltage When the linear amplifier that is being connected supports full break in and is placed in the transmitting state when a voltage of 12 V is applied configure Keying Logic ...

Страница 21: ...ethod is no longer recommended on recent transceivers This is because excessive power is applied to the linear amplifier before ALC voltage is input from the it and this may cause damage to the linear amplifier Also the protection circuit inside the linear amplifier may be activated To prevent such excessive input adjust the transmit power to a proper level in advance Recommended Operation On the ...

Страница 22: ...tinuously increases the transmit power to the preconfigured upper limit Transmit power via TX tuning can also be limited An external device such as a linear amplifier may have different gains or withstanding input powers by band thus the required transmit power varies in most cases Transmit power for each band can be configured on the Transmit Power Limit screen If the maximum transmit power has b...

Страница 23: ...V default setting The gain decrease also leads to reduction of the transmit power ANT output and DRV output this serves for output control Linear Amp etc Detection Circuit ALC Circuit ALC Terminal REMOTE Connector 6th Pin DRV Terminal TX Mixer ALC AMP ANT TX SIGNAL Fig 20 Connection Block to an External Device for ALC Signal Input Fig 21 Changes in DRV Output Level with ALC Input Voltage Operation...

Страница 24: ... is insufficient to be transmitted directly through an antenna Operation with a transverter or connection to the high gain linear amplifier allows operation in the 135 kHz band and other bands The diagram below shows the spurious characteristics from the DRV terminal in the 14 MHz band The harmonic level also changes upon change of the level to 0 dBm 10 dBm and 20 dBm DRV outputs that do not pass ...

Страница 25: ...tor currents in the final amplifier and prevent currents over a specified level from passing through Thermal Protection and Fan Control The TS 890S is equipped with two final amplifiers with thermistors placed near them The thermistor monitors the final FET temperature and switches the rotating speed to one of the three levels based on the detected temperature The Cooling Fan Rotation Speeds and F...

Страница 26: ...cels in adjacent C N characteristics 22 348 MHz First Local Oscillator Frequency Fig 25 Block Diagram of First Local Oscillator Signal Reception of 14 1 MHz Signals 19 2 MHz reference frequency is input as the reference signal of the PLL Phase Locked Loop device and the PLL loop is applied to the 100 MHz signal to generate signal with excellent C N characteristics The 100 MHz signal that is genera...

Страница 27: ...scillatior CIRCUIT 04 Fig 27 100 MHz OSC C N Characteristics First Local Oscillator Signal C N Reception of 14 0 MHz Signals Reception of 50 0 MHz Signals Fig 28 First Local Oscillator Signal C N Characteristics ...

Страница 28: ... from the antenna connectors ANT1 and ANT2 are blocked allowing reception of signals input to the RX IN connector or output of signals from the RX OUT connector To append an external bandpass filter connect it between the RX OUT and RX IN connectors However reception is not possible if signals are not correctly input to the RX IN connector Note Install the RX antenna and TX antenna as far apart as...

Страница 29: ... 590G series Ver 1 05 or later Both the TS 890S and TS 590 series comes with a 9 pin D sub COM port Connect them using an RS 232C cross cable and configure the necessary items for split transfer A in the menu D sub 9 pin RS 232C cross cables are sold as interlink cables Connect the antenna terminal of the TS 590 with the ANT OUT terminal of the TS 890S using a coaxial cable followed by setting the...

Страница 30: ...T knob on the TS 890S to control the RX frequency of the TS 590 TX frequency of the TS 890S Wiring will be required by individual users for audio signal output using the TS 890S and TS 590G The illustration is an example of inputting monaural signal output from each of the transceivers to the audio mixer of the sound equipment followed by turning PAN on the mixer BAL in the case of a stereo mixer ...

Страница 31: ...ultaneous dual band reception In the past the simultaneous dual band reception function have been used on many models and the level of allowance or certainty is exceptionally high when operating the TS 890S One of the advantages of using two separate transceivers is that the actions can be easily monitored during operation If a transceiver with a simultaneous dual band reception feature is used at...

Страница 32: ...ls for Application Control MPU peripherals for application control adopt a built in ARM Cortex A8 MPU It has an internal operating frequency of 600 MHz and consists of one 8 GB eMMC external memory and two 1 GB DDR2 memories The key roles of the MPU peripherals for application control include display on the 7 inch monitor output to external monitors DVI connector and control related to USB devices...

Страница 33: ...rable conditions Features of TS 890S DSP Technologies Two 32 bit floating point DSPs for transmission reception and bandscope respectively A significantly wider range of IF filter options AGC Quick Recovery feature added to the well received IF AGC Two types of digital noise blankers Bandscope with high resolution and high display refresh speed DSPs and Peripheral Hardware 32 bit floating point DS...

Страница 34: ... AGCQR DEMOD RX Audio Soft Attack CONT Fig 32 IF Stage Block Diagram AGC loops of the TS 890S are placed before and after the interference rejection such as an IF filter or notch filter The AGC loop of the preceding stage functions to prevent signals whose level is higher than the reference from being input to the A D converter for the IF input and is called the out band AGC loop The AGC loop of t...

Страница 35: ... pulse noise to lower the gain of the AGC amplifier Activation of the in band AGC suppresses not only the pulse noise but also the target signal making it impossible to watch the target signal or resulting in an unpleasant phenomenon where the volume level of the target signal fluctuates with the repeated pulse noise attacks and releases The AGC Quick Recovery is a feature that detects attacks on ...

Страница 36: ... and low cut frequencies to be altered In the CW FSP and PSK modes the IF filter is made up of a bandpass filter which allows WIDTH passband width and SHIFT center frequency of filter to be altered In the SSB mode the settings can be configured to change the low high cut combination to WIDTH SHIFT combination Compared to conventional models the TS 890S offers a significantly wider variety of filte...

Страница 37: ...pe in the SSB mode the reference passband width that determines the shape factor is narrower in the CW mode which means the filter is sharpest in the CW mode Such a sharp filter tends to cause ringing when the bandwidth is narrowed and may affect the sound quality due to group delay in the SSB mode Employing the digital filter design technology that we have accumulated the TS 890S now offers a fil...

Страница 38: ...oise blanker for digital signal processing NB2 offers two modes Type A and Type B which can be employed for different situations It is also possible to combine the use of NB1 and NB2 NB2 Type A monitors the envelope of RX signals and performs blanking on the pulse noise when there are changes in the signal level beyond a certain level NB2 Type B is a new blanking technique that is based on the IF ...

Страница 39: ...otch filter has an attenuation of 60 dB or higher at the notch center frequency The diagram below shows how a minute signal suppressed by the IF AGC operation can be highlighted when the beat is eliminated by the notch filter Time s Time s Amplitude dB Amplitude dB Audio signals suppressed by the IF AGC can be highlighted when the beat is eliminated Fig 41 Effect of the Notch Filter Pressing and h...

Страница 40: ...gnal as a demodulation signal FM Mode In the FM mode after mixer processing and conversion to I Q signal are performed to convert the center frequency of the IF signal to 0 Hz demodulation signal is obtained by performing Atan processing to extract and differentiate the π π phase component FSK Mode In the FSK mode audio signal that is detected with the PSN system is output to a speaker or external...

Страница 41: ...the group delay size of the steep high pass filter low cut for the audio signal maintained at about the same size as that of a low pass filter high cut thereby contributing to a high sound quality The IF filter is equipped with a function for switching the IF filter shape slope characteristics while the AF filter allows the bandwidth to be widened or narrowed with respect to the low cut high cut o...

Страница 42: ... on the high pass filter is inserted in addition to the low cut frequency filter to prevent the sub tone signals from standing out As with the SSB and CW modes it is also possible to select Narrow Medium or Wide on the RX Filter screen in the AM and FM modes Audio Peak Filter The audio peak filter is applicable in the CW and FSK modes In the CW mode it is a peak filter with the pitch frequency as ...

Страница 43: ...l subtraction method is developed intending to improve the intelligibility of weak signals received in SSB mode Compared with the conventional NR1 line enhancer method the new NR1 has less impact on high frequency voice components and realizes audio signal output with noise attenuation and minimum degradation of sound quality The TS 890S employs a technique to reduce musical noise tonal blip blip ...

Страница 44: ...CW signals to improve the S N ratio Because the process automatically passes and emphasizes periodic signals it is called a line enhancer line enhancer method The line enhancer employs a relatively simple signal processing system to improve the S N ratio At the same time however it also has drawbacks such as blurring the sound when processing weak signals in the SSB mode It is positioned in the TS...

Страница 45: ...ake attack parts of a CW signal more distinguishable These features make NR2 a very effective function in the CW mode However due to its operating principle for less periodic audio signals noise may be generated at parts where periodic signals are pieced together which may make the audio less clear In practical operation we recommend the use of NR1 in the SSB mode and choose NR1 or NR2 depending o...

Страница 46: ...plitude dB Elimination of Multiple Beats Fig 50 Effect of Beat Canceler Elimination of Multiple Beats There are two types of beat cancelers BC1 and BC2 BC1 is tuned to be effective against weak or continuous beat signals BC2 is tuned to be effective against intermittent beat signals such as Morse signals The Beat Canceler is for beat signal elimination and do not work in the CW FSK and PSK modes I...

Страница 47: ... on the TS 590G series performs envelope detection of IF signals based on absolute values and is thus effective for decoding Morse codes with a considerable amount of noise components IF Filter RX IF Envelope Detection Threshold Judge CPU Fig 51 Detection Block of Morse Code Decoder on TS 590G By having the transceiver receive actual Morse codes and monitoring the IF signals it was found that the ...

Страница 48: ...d by the TX equalizer microphone gain control and TX filter before it is being modulated SSB modulation employs the PSN system a well established method among conventional transceivers that uses a 24 kHz carrier for modulation Unlike demodulation modulation requires sufficient sideband suppression to be secured for the input bandwidth This characteristic of PSN is designed to deliver sufficient su...

Страница 49: ...er frequency and preconfigured FSK Spacing FSK shift frequency to generate the FSK modulated wave Also the frequency is shifted based on the audio mark frequency to generate the FSK modulated wave for monitoring For operation using the RTTY encoder ASCII codes transferred from a USB keyboard or message memory are converted to Baudot 5 bit codes The start bit and stop bit are then added to generate...

Страница 50: ... ACC 2 Connector USB Audio Input VoIP Input and Amplifier Processing Speech Processors The TS 890S is equipped with a speech processor in the IF stage in the SSB mode hereinafter referred to as IF speech processor and a speech processor in the AF stage in the AM and FM modes hereinafter referred to as the AF speech processor The speech processor is a feature that amplifies the average power of the...

Страница 51: ...al noise or if it is not easy to distinguish a target signal and noise adjusting the reference level of the bandscope will facilitate you to distinguish the target signal easily Amplitude Time s Time s Time s Amplitude Amplitude Fig 58 IF Modulated Signal for Each IF Speech Processor Setting From the graphs we can tell that when the IF speech processor is activated the differences in amplitude are...

Страница 52: ...customized and the unique equalizer curves to be configured Typical audio graphic equalizers divide a spectrum by octave The equalizers on the TS 890S are designed to divide a spectrum in multiples of 300 Hz The settings configured on the TX Equalizer Adjustment and RX Equalizer Adjustment screens are immediately applied to the audio thus enabling fine adjustments while listening to the audio Cust...

Страница 53: ...eed decreases when the span is wider as it takes a longer time to obtain the spectral display for the entire screen To achieve high speed updates to the display irrespective of the span settings a new IF sampling system has been developed for the TS 890S The IF signal for the 8 248 MHz center frequency for down conversion is digitized at a sampling frequency of 39 MHz using a 14 bit A D converter ...

Страница 54: ...ight lines that indicate the signal intensity horizontally and tuning is possible by overlapping it with the RX marker Compared to the conventional follow display the display in this mode allows for more intuitive tuning Switching to the follow display is also possible via the menu Straight display Follow display Fixed Mode FIXED MODE The lower and upper limits for the displayed frequency are fixe...

Страница 55: ...er frequency in the case of digital communication Aligning the Assist Line with the point on the spectrum of the waterfall display that has the strongest intensity makes it easier for zeroing in The Assist Line can be configured in Menu 8 05 Tuning Assist Line SSB Mode The filter passband appears as a translucent display on the bandscope Among the signals that are visible within the waterfall area...

Страница 56: ...splay can be changed according to preference There is an analog meter type resembling the meters on the TS 930 and TS 940 and a digital meter type which indicates 3 types of information during transmission Although an analog meter is virtual because the meter represents the face of the transceiver we have carefully devised the scale plate that is displayed on the rear panel the direction and angle...

Страница 57: ...oggled on or off in Menu 0 12 TX Digital Meter In addition the transmission digital meter is not displayed when the meter on the top left is the digital meter type Filter Scope The filter scope is on the top right in the display The filter scope allows you to check the configuration statuses related to the reception filter such as the cutoff frequency of the IF filter the passband width the bandwi...

Страница 58: ...witching the band or band memory by pressing the band direct key during split operation The configuration is convenient when pursuing a DX pedition for multi band mode operation because a split frequency and mode can be individually configured to each band memory of each band The default is 3 band memories of each band The number of band memories can be increased to 5 by using the menu To execute ...

Страница 59: ...CW Morse Code The TS 890S has a function to display the contents communicated in CW Morse code Morse transmission can also be done by text entry using a USB keyboard Use of Morse transmission using fixed phrase transmission by message memory and using a paddle is also available For Morse transmission of the text entered from a USB keyboard turning on the quick mode immediately encodes the entered ...

Страница 60: ...n shows an audio spectrum scope which supports tuning To tune to the target signal the indication displayed in the scope and the peak of the received signal simply need to match by using the tuning knob By touching the audio spectrum scope screen with a finger the scope switches to the X Y scope on the RTTY communication screen and the scope switches to the vector scope on the PSK communication sc...

Страница 61: ...e switched as required They can each be configured as OFF ON in DATA mode The image above is a configuration example of when DATA mode is ON The microphone input audio is selected as the sound source of when transmission is by using the SEND key or PTT and the input audio from the rear panel connector is blocked For the sound source of when transmission is by the PKS signal of the rear panel ACC 2...

Страница 62: ...DTR Option Behavior Off Does not work Flow Control Behaves as the hardware flow control signal of command communications Advanced Menu 17 only CW Keying Behaves as the CW keying signal RTTY Keying Behaves as the RTTY frequency shift keying signal PTT Behaves the same as PTT SEND DATA SEND Behaves the same as DATA SEND PKS Functions Related to the Internal Memory USB Flash Drive File Management The...

Страница 63: ...enu above Storage and Reading of Configuration Data Data configured in the transceiver can be stored in a file as configuration data The configuration that was stored can be restored by reading the data in the stored file When reading the reading of the configuration data which depends on the placement environment such as the LAN configuration and the configuration related to the rear panel connec...

Страница 64: ... Used in the Screen Saver The TS 890S can display your preferred photographs and images in the slideshow format by using the screen saver function To configure first copy the images to display to the KENWOOD TS 890 IMAGE folder of a USB flash drive by using a PC Select Read Image Files for Screen Saver Type 3 in the USB File Management menu after mounting the USB flash drive on the TS 890S and the...

Страница 65: ...ording function can also be used as a general use recorder For recording and playing back by a press of the Red key and key the internal memory of the main unit or a USB flash drive can be used With the internal memory of the main unit a maximum of 9 hours of recording is possible in one file and with a USB flash drive a maximum of 18 hours of the long time recording is possible in one file Becaus...

Страница 66: ...Flash Drive Copy into a USB flash drive the firmware file downloaded from the JVC KENWOOD website Copy the firmware file into the root folder of the USB flash drive keeping it compressed Turn the TS 890S on while pressing and holding M IN and connect a USB flash drive with the firmware file stored The update starts automatically and wait until the update competes Turn off and on again the power sw...

Страница 67: ...anges If the read command is sent properly the response command is returned from the transceiver Program for Receiving Commands To receive a command by the transceiver the buffer for reading a command needs to be prepared to read the data to the buffer one byte at a time from the reception buffer of the serial port If the read data has a semicolon the reception of the command completes and the rec...

Страница 68: ...s needed Only the tips are introduced here A semicolon always exists at the termination of the command If the semicolon is received the data to be received next is a new command data Because the first 2 to 3 digits are the command part the rest is the parameter check the command part For example if you need only the VFO A and VFO B frequency information analyze the parameters that follow afterward...

Страница 69: ...one with the VoIP function available in the TS 890S and ARCP 890 and the received audio of the TS 890S can be heard from a PC speaker The audio input from a PC microphone can also be sent from the TS 890S Displaying the bandscope on the ARCP 890 is also possible The bandscope with a display speed equal to or higher than that of the TS 890S can also be used on the ARCP 890 In this bandscope screen ...

Страница 70: ... station PC to remotely control the TS 890S through a network This is used with the ARCP 890 This is used when the internal TS 890S KNS server function is not used ARVP 10 This is the VoIP software to send TX RX audio when the TS 890S is remotely controlled through a network There are two types of ARVP 10 the ARVP 10H and ARVP 10R This is used when the internal TS 890S VoIP is not used ARUA 10 Thi...

Страница 71: ...nnected to the TS 890S and internal speaker Note Configure On LAN in KNS Operation LAN Connector of the TS 890S Using the USB connector Signal Type PC Connection Method TS 890S Software Hardware Hardware Control signal Virtual COM port driver and ARCP 890 USB cable Connect to the USB B connector Audio signal No connection Microphone connected to the TS 890S and internal speaker Note With these sys...

Страница 72: ...re Control signal Virtual COM port driver and ARCP 890 USB cable Connect to the USB B connector Audio signal ARUA 10 and Windows sound driver Microphone and speaker connected to a PC Note With these system configurations the bandscope screen refreshes at a slower speed Using the COM connector and ACC 2 connector Signal Type PC Connection Method TS 890S Software Hardware Hardware Control signal ARC...

Страница 73: ...dows sound driver Microphone and speaker connected to a PC Note Configure On Internet in KNS Operation LAN Connector of the TS 890S System configurations that are configured by using the ARCP 890 ARHP 890 ARVP 10 and TS 890S for the KNS connection via Internet Signal Type Remote Station Remote PC Connection Method Host Station PC placed on the TS 890S side Software Hardware Software Hardware Contr...

Страница 74: ...figure Font from the Tool pulldown menu and then configure the settings on the Configure Font screen The number of parts on the main screen has increased with the increase in the number of TS 890S functions hence a display of SXGA 1280 x 1024 or higher resolution is required However changing the size of the main screen is now supported for use even on a small sized notebook PC etc To change the ma...

Страница 75: ...890S KENWOOD NETWORK COMMAND SYSTEM Setting Manual which describes detailed information on the configuration method for remote control Basic Specifications Inherited from the ARHP 990 The ARHP 890 inherits the basic specifications of the ARHP 990 developed for the TS 990S User Interface The ARHP 890 has its user interface languages in both Japanese and English The ARHP 890 is operable with the lan...

Страница 76: ... of the ARUA 10 and the ARCP 890 by simply connecting the TS 890S and a PC with a single USB cable the transceiver can be controlled from the PC and a microphone and speaker connected to the PC can be substituted for the microphone and speaker of the TS 890S To use the ARCP 890 with a USB cable connection the virtual COM port driver needs to be installed To use only the ARUA 10 with a USB cable co...

Страница 77: ...t station site where the TS 890S is placed and the ARVP 10R which provides the VoIP function on the remote station site that remotely controls the TS 890S The ARVP 10H and ARVP 10R are free software applications and can be downloaded free of charge from the KENWOOD website Refer to TS 890S KENWOOD NETWORK COMMAND SYSTEM Setting Manual which describes detailed information on the configuration metho...

Страница 78: ...e following way Start the Windows Device Manager The following two COM ports appear in Ports COM LPT of the Device Manager when the TS 890S is connected through USB cable Silicon Labs CP210x USB to UART Bridge COM x Silicon Labs CP210x USB to UART Bridge COM y Numbers are entered in the x and y parts Numbers vary depending on the environment of a PC used The following image shows an example where ...

Страница 79: ...PC that is connected to the TS 890S by using a USB cable In this case confirm again a current COM port number with the above procedure Copyrights Microsoft Windows and the Windows logo are the registered trademarks of Microsoft Corporation in the United States and other countries Other company names and product names etc are trademarks or registered trademarks of their respective manufacturers Not...

Страница 80: ...vices such as a footswitch PKS input Transmits audio input from an external device Transmission with the microphone input muted is possible This is a convenient feature for data communication RTTY keying input External meter output output target can be selected from the menu Supports dual output Fig 76 ACC 2 Connector Table 8 ACC 2 Connector Pin Assignment Terminal ACC 2 Connector 13pin DIN Pin No...

Страница 81: ...g 77 DVI Male VGA Female Conversion Connector Example EXT SP 8 Ω External Speaker Jack This jack is used for connection with an external speaker The built in speaker will be muted when an external speaker is connected KEY PAD Using the KEY PAD jack allows the number of PF keys to be increased Connecting user made PF keys to the KEY PAD jack enables a maximum of eight PF functions to be assigned to...

Страница 82: ...nd Router or Hub Internet PC 1 ARCP 890 Radio Control Program PC 2 ARHP 890 Radio Host Program Fig 79 Example of LAN Connection During KNS operation using the LAN connector the current consumption value when power is OFF will vary according to the settings based on the KNS operation style whether it is remote operation within a LAN or over the Internet Table 9 Current when Power is OFF PC connecti...

Страница 83: ...he PADDLE jack is placed at the front of the unit for greater ease of use The TS 890S has an internal electronic keyer which allows you to use a paddle simply by connecting it to the PADDLE jack in front The KEY jack at the back is configured to Straight Key by default It can be used for input of keying signals from an external device or the straight key Both the PADDLE jack and KEY jack can be sw...

Страница 84: ...Drive Through the connector configured settings and voice data created on the TS 890S can be copied to a USB flash drive and files can also be loaded into the TS 890S At the same time it is possible to capture screenshots and save them to the USB flash drive Timer recording is also supported Example of Using a USB Keyboard The connector can be used for text input during RTTY or PSK operation or fo...

Страница 85: ... feature It can also be used for updating the firmware firmware update can also be performed using a USB flash drive A USB cable conforming to USB2 0 A connector to B connector type must be used Two USB keying features have also been added on the TS 890S For more details refer to USB Keying Feature The internal configuration within the USB B connector of the TS 890S is shown below Fig 81 Block Dia...

Страница 86: ...TS 890S comes with a DC DC unit at the top left of the chassis and the final unit at the top right The lower layer is further divided into two layers with the DSP unit and control unit located at the bottom left and the PLL unit and TR RX unit at the bottom right The front panel frame accommodates the display unit Fig 82 Structure of Main Unit ...

Страница 87: ...nal cooling fan motors 80 mm x 80 mm thickness 25 mm The two cooling fan motors which are installed in front of the final unit and the fin of the chassis not only helps to cool down the radiating fin but also prevents the temperature of the parts from rising The fan motors can be configured to one of the three operation modes After countless adjustments of the settings to minimize the noise during...

Страница 88: ...longer at an output power of 100 W under a temperature of 30 C the TS 890S continues to function properly when the temperature of the FET on the final unit was about 65 C From this we can tell that there is no power down activation of protection due to insufficient cooling Although the TS 890S adopts a heavy duty design the life of electronic parts in general not just KENWOOD products tends to sho...

Страница 89: ...c with a look of a unified and beautiful appearance Lever Folded Front View Fig 87 Lever Closed Lift up Same Circle Arc Fig 88 Lever Open The lift up mechanism is designed so that the bottom surface of the front base is aligned with the bottom surface of the extension when it is unfolded to allow the body to receive its weight at almost a right angle to the direction of gravity Consequently the fr...

Страница 90: ...re optimally placed apart from one another for enhanced operability Fig 90 TS 890S and TS 990S When determining the design layout of the TS 890S the market evaluation and issues of the TS 990S have been taken into consideration At the same time to ensure the optimal layout of the keys and rotary knobs a 3D printout of the key and rotary knob layout was created before mock ups dummy models with the...

Страница 91: ...lated are also used to create a premium feel Adopting the same key structure as the TS 990S helps to eliminate unevenness on key touches and provide a uniform and excellent texture regardless of the angle from which the key is pressed Additionally for the key indicators the structure of the TS 990S has been adopted to provide them with high illumination intensity and less unevenness Fig 92 Key Str...

Страница 92: ...beautiful imaging The brightness of the TFT LCD and indicators can be adjusted separately Also it is possible to fine tune the color tone of the TFT LCD image These enable the TS 890S to be configured to the optimal settings according to the environment in which it is used Fig 94 TFT LCD As with the TS 990S a touch panel has been employed to add an element of fun to the transceiver functions such ...

Страница 93: ...ain knob shaft is made of aluminum die cast Uncompromising attention was also given to the texture of the main knob Main Knob Ring Knob Fig 95 Appearance of the Main Knob The rotation mechanism of the torque adjustment ring employs a coated metal plate in its slider block which secures better clicks smoother rotation and longer durability Furthermore its friction material is carefully chosen for b...

Страница 94: ...y its fundamental structure The SP 890 has a simple design but high affinity to the TS 890S Fig 97 Appearance of the SP 890 Achieving clear tones without incidental noise or in other words sound quality without peculiar characteristics the SP 890 allows users to freely create their own sound Speaker The SP 890 is an 80 mm full range speaker Due to its flat frequency characteristics in the audio ba...

Страница 95: ...so allows frequency characteristics suited for a wide range of uses to be obtained The charts below show the frequency characteristics Fig 98 Filter Switch Front Panel Fig 99 Characteristics of High Cut Filters and Low Cut Filters Speaker Input Select Switch The speaker has two speaker input terminals A and B When two transceivers are connected to the speaker the sound source can be toggled on the...

Страница 96: ...TS 890S In depth Manual May 17 2019 CA 337W E96 Copyright 2019 All Rights Reserved ...

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