Manual do usuário Kenwood 50 MHZ ALL MODE TRANSCEIVER TS-590S

Manual para o dispositivo Kenwood 50 MHZ ALL MODE TRANSCEIVER TS-590S

Dispositivo: Kenwood 50 MHZ ALL MODE TRANSCEIVER TS-590S
Categoria: Rádio marinha
Fabricante: Kenwood
Tamanho: 5.6 MB
Data de adição: 2/26/2014
Número de páginas: 76
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Resumos

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Resumos do conteúdo
Resumo do conteúdo contido na página número 1

Distinctive Performance
TS-590S
HF/50 MHz ALL MODE TRANSCEIVER

Resumo do conteúdo contido na página número 2

ABOUT THIS MANUAL This in-depth manual is intended to explain the features of the TS-590S and its convenient use. We hope that this manual, as a general HF transceiver guide will be of your benefit, to whoever reads this manual, whether you have already purchased a TS-590S, are thinking of purchasing of this product, or are interested in HF transceivers. About Copyright Copyright of this Manual and Software All copyrights and other intellectual property rights for this in-depth manual and re

Resumo do conteúdo contido na página número 3

CONTENTS 4.7.1 Speech Processor 1 RECEPTION ..................................... 1 (AF Processing)................................36 1.1 Type of Conversion ............................1 4.8 DSP-based Auxiliary Circuits 1.2 Down Conversion...............................3 (Common to TX/RX) ........................ 37 4.8.1 TX Equalizer & RX Equalizer 1.3 Up Conversion....................................8 (AF Processing)................................37 1.4 RX Auxiliary Circuits...............

Resumo do conteúdo contido na página número 4

CONTENTS 8.2.2 Controlling TS-590S from a PC using 9 OPTIONAL ACCESSORY ............. 67 the USB Connector.......................... 53 8.2.3 Controlling TS-590S from a PC using 9.1 PS-60 Regulated DC Power the COM and ACC2 connectors Supply ..............................................67 (microphone and speaker connected to 9.2 Rectifier Circuit.................................68 the PC to be used)........................... 53 9.3 Switching Circuit, Constant-voltage 8.2.4 Controlling TS-

Resumo do conteúdo contido na página número 5

PRODUCT PLANNING OBJECTIVES At the end of September, 2010, the TS-590S, a Kenwood HF band amateur radio transceiver was launched after the 7-year long silence since the releasing of TS-480S. As implied by this model name, TS-590S is the “legitimate successor to the TS-570S”. The product category taken over from the TS-570S by the TS-590S was created by combining the line of compact HF transceivers that was initiated by the TS-120S and inherited by TS-450S; and the line of TS-500s represented

Resumo do conteúdo contido na página número 6

Development Spirit TS-590S was planned as the “legitimate successor to the TS-570S” after 14 years or more of time have elapsed since the first market appearance of TS-570S in 1996. TS-590S is titled with the 500s model number with the TS-570S but, needless to say, we started the development as a totally new transceiver. First, let’s look back on the TS-570S. The product concepts of the TS-570S were “ease of operation” and “providing basic performance sufficient for rag-chewing and DX opera

Resumo do conteúdo contido na página número 7

1 RECEPTION 1.1 Type of Conversion Receive performance is one of the key indicators that is used to evaluate a transceiver. And, above all, the capability to protect against interference from adjacent signals close to the target signal is of the utmost importance. To attain this goal, a circuit with a good large signal behavior characteristic is used for the first mixer of the RX section. In recent years, a filter used between the mixer and the subsequent stage (roofing filter) is also gai

Resumo do conteúdo contido na página número 8

1 RECEPTION Down-conversion path Double superheterodyne For 1.8/ 3.5/ 7/ 14/ 21 MHz Amateur bands If RX passband is 2.7 kHz or less When receiving in SSB/ CW/ FSK modes 1st 11.374 MHz 500 Hz 2.7 kHz IF DSP 1st Mixer 73.095 MHz 2nd Mixer 10.695 MHz 3rd Mixer 24 kHz Up-conversion path Triple superheterodyne For all the conditions (incl. when transmitting) other than listed above for down conversion (Blocks that are not relevant for the explanation of the conversion type are omitted.) Figure

Resumo do conteúdo contido na página número 9

1 RECEPTION 1.2 Down Conversion Figure 1-2 Block diagram: Down Conversion Figure 1-2 describes the circuit configuration around the first mixer of the down-conversion path, showing the relationships between frequencies upon receipt of a 14 MHz signal. The signal from the antenna passes the RF BPF or LPF (as a receive LPF, it divides the frequency band of 30 kHz to 60 MHz into 12 ranges) and RF Amp (or bypasses it) to be sent into the first mixer. Because in the first mixer section, a diffe

Resumo do conteúdo contido na página número 10

1 RECEPTION The receiver mixer circuit is a quad mixer consisting of four 2SK1740 JFETs. The mixer circuit achieves superior characteristics thanks to the revision of I/O port matching and the optimization of biases. With the signal provided by the first local oscillator, the RX signal is converted to 11.374 MHz (first IF frequency). The converted RX signal passes the first roofing filter of pass bandwidth 6 kHz and in the subsequent stage the signal is moderately amplified by the post amplif

Resumo do conteúdo contido na página número 11

1 RECEPTION Hints and Tips “Which type of conversion is used?” • During the transmission: The up-conversion configuration is always used in all modes and bandwidths. During the transmission in SSB mode, the pass bandwidth is determined by the filter settings (digital filter of the DSP) selected in the menu mode. The pass bandwidth of the filter in the analog stage is 6 kHz and does not affect the final outcome of the frequency analysis. • During the reception in AM or FM mode: The up-conver

Resumo do conteúdo contido na página número 12

1 RECEPTION Following is a graph that provides the comparison between the performances of roofing filters. Figure 1-5 Comparison of Bandpass Characteristics of MCFs Figure 1-5 compares the band pass characteristics of a roofing filter of center frequency 73 MHz (gray line); and the roofing filters of the center frequency 11.374 MHz with bandwidth of 500 Hz (blue line) and with bandwidth of 2.7 kHz (orange line) that are both employed by the TS-590S. Because the center frequency of the filter

Resumo do conteúdo contido na página número 13

1 RECEPTION Measurement Conditions: Receive 14.200 MHz Frequency Mode CW Pass bandwidth 500 Hz PRE AMP OFF The abscissa axis shows the distance from the interfering signal. For example, it represents that at the point of 10 kHz the receive frequency is 14.200 MHz and two interfering signals of 14.210 MHz and 14.220 MHz are given. The orange line shows the result of TS-590S and the gray line shows the result of TS-480S. In the event the frequency separation is greater than 20 kHz, the dynami

Resumo do conteúdo contido na página número 14

1 RECEPTION 1.3 Up Conversion Difference of characteristics due to the pass bandwidth in the roofing filter can be viewed in graphs in Figure 1-5 and Figure 1-6. So, let’s see the characteristics of the up-conversion system in which the same front end configuration is used as previous models. We will explain using the measurement result that compares the dynamic range characteristics of TS-590S and of previous models in the 50 MHz band. Figure 1-7 Dynamic Range in the 50 MHz Band Measure

Resumo do conteúdo contido na página número 15

1 RECEPTION 1.4 RX Auxiliary Circuits Typical built-in RX auxiliary circuits include the variable pass bandwidth circuit, notch filter and noise blanker (NB). In modern HF transceivers, most of these auxiliary circuits (=auxiliary functions) are made possible by an arithmetic process of the DSP. As well as the TS-590S, only two auxiliary circuits operate genuinely at the IF stage: NB and AGC (ATT circuit that functions by receiving the control signal provided by the DSP). On the TS-590S, t

Resumo do conteúdo contido na página número 16

1 RECEPTION Following is a figure that represents the TX-RX UNIT that has the circuitry configuration in question. By detaching the lower case, you can access the jumper connectors CN101 through CN103. CN101 CN102 CN103 Figure 1-8 TX-RX UNIT 1) Raising sensitivity in the BC band: Remove the jumper for CN103 and insert the jumper into CN102. This will increase the sensitivity in the BC band for 20 dB. (Assuming that there is the high output power in local broadcasting stations in the BC b

Resumo do conteúdo contido na página número 17

2 TRANSMISSION 2.1 Kenwood Traditional Transmitting Circuitry The tradition of high quality audio technology that users rely on Kenwood to deliver is produced by combining analog and digital technologies that Kenwood has nurtured thus far. The DSP controls modulation and determines the sound quality and analog circuits convey and amplify the signal cleanly. 2.1.1 IF Circuits The first IF transmit signal that is output at 24 kHz from the DSP and the DA converter is converted to 10.695 MHz in

Resumo do conteúdo contido na página número 18

2 TRANSMISSION Figure 2-1 Transmit IMD Characteristics Figure 2-2 Transmit Spurious Characteristics 12 CONTENTS TS-590S

Resumo do conteúdo contido na página número 19

2 TRANSMISSION 2.2 High-speed Relay-controlled Antenna Tuner TS-590S has a built-in high-speed relay-controlled antenna tuner that was first employed in the TS-570S. In contrast to the variable capacitor type antenna tuner, it employs a small and lightweight relay to achieve a sufficient matching range and a fast tuning operation with digital control. The control speed has been further accelerated over previous models. When you return to a previously used operating band or frequency, the

Resumo do conteúdo contido na página número 20

2 TRANSMISSION Menu N o. 53 or N o. 54 "1 or 2" KEY RX TX RL 10 ms Switch RF Power AF Figure 2-3 Timing chart (1 or 2) Menu N o. 53 or N o. 54 "3" KEY RX TX RL 25 ms Switch RF Power AF Figure 2-4 Timing chart (3) 14 CONTENTS TS-590S


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