WIRELESS-COMMUNICATION SYSTEMS

Transcription

1 WIRELESS-COMMUNICATION SYSTEMS Nowadays there is a need of a timely and reliable exchange of important information and contents between people. You need to speak to listen at the same time and to be of course clearly understandable! At this purpose from long time Wisycom has been elaborating a high-technology to project its wireless Full-duplex intercom and In Ear Monitoring & Talk-back systems. These systems are able to work with a medium-band and narrow-band transmitting mode, and they have been developed for professional applications in the Broadcast, Theatres and Sound-reinforcements fields. Wisycom high-technology, thanks to its long-experience, allows to work without any noise, annoyance or trouble. CRT 16 Communication full-duplex belt transceiver CPR 30 IEM and talk-back pocket receiver Both RX and TX can fit in the same UHF band ( MHz). Very close frequency s distance between RX and TX channels (10 MHz only) allows full-duplex operations with exceptional working quality, flexibility and great frequency s saving. Only two adjacent 8 MHz TV channels are enough to allocate an intermodulation-free multi-channel full-duplex system. 16 RX + 16 TX switchable frequencies in the units. Narrow-band or medium-band operation improves flexibility and frequency s saving. Outstanding audio quality and exceptional low-noise operations. Easy PC frequency-reprogramming by the user (in the pre-set switching-windows). Carefully designed audio in/out circuits allow the use of any kind of brand mic/headphones set, coupled by sturdy multi-pole connector. Suitable for very complex multi-channel systems, thanks to the extremely-high RX-intermodulation immunity and the outstanding TX-signal clearness. Exceptional sturdiness and absolute reliability. UHF band ( MHz). Great switching-window (10 MHz). 32 switchable frequencies in 2 groups. Narrow-band or medium-band operation improves flexibility and frequency s saving. Superb audio quality and exceptional low-noise operations. Easy PC frequency-reprogramming by the user (in the pre-set switching-windows). Supplied with Fischer or jack (mono or stereo) audio connector. It works with any kind of headphones or earpieces. Suitable for very complex multi-channel systems, thanks to the extremely-high intermodulation immunity and RF/IF selectivity. Exceptional sturdiness and absolute reliability. 1

2 WIRELESS-COMMUNICATION SYSTEMS FULL-DUPLEX BIDIRECTIONAL SYSTEMS Thanks to its fully modular compositions, you can make up several Base Units configurations. As for the Unidirectional Systems, full-duplex systems can be mounted either in Portable Minirack (with different widths, depending on the required number of modules) and in standard 19 /1U or 19 /3U rackframes. The Base Unit can be one single-channel or multi-channel type. The are available two types of Transmitters and Receiver Modules: in a vertical-shape (3U height) and horizontal-shape (1U height). Regarding the output power of the Transmitters, we are used to offer units with an output power that can be factory pre-set in a value between 10 mw (to comply the ETSI norms related to free-use Base Units in UHF TV frequency range, is it a more than suitable power to cover a big TV studio) and 300 mw (that allows a great operating distance up to more than one mile). 2W Transmitter Module (in a vertical shape) is available for even longer distances. The working frequencies can be set in two 7 MHz switching-windows between MHz, with a minimum distance of about 10 MHz between them. The Transmitter and Receiver Modules are endowed with a balanced and ground-isolated audio line connections. The audio input of the Transmitter has a very great input-level adjustment capability, to allow the easiest connection with all type of audio sources. The output level of the Receiver Module is in the range of line value. EXAMPLES OF BIDIRECTIONAL BASE UNITS CFK 50 n.1 - CST 50, transmitter module (300 mw max.) n.1 - CSR 50, receiver module n.1 - RPT 22, portable minirack n.2 - antennas (various types) CFK 50-D n.1 - CST 50-D, desktop transmitter (300 mw max.) n.1 - PSP 910, mains power-supply EXAMPLE OF ONE BIDIRECTIONAL COMMUNICATION SYSTEM with several Base-Units in master/slave configuration (see description on page 6) CSR 50-D n.1 - CSR 50-D, desktop receiver n.1 - PSP 910, mains power-supply CFK 50-Master CFK 50-Slave #1 CFK 50-Slave #2 CFK 50-Slave #3 AF input CFK 350-C n.7 max - places for different units (transmitters, receivers, RF-splitter, audio interface) n.1 - RST 22-S, 19 /3U rack-frame n.2 - antenna-sets (various types) to other Slave Units AF output audio line (RX output) 2-wire line (RX diversity switching) CFK 503 n.3 max - different units (transmitters or receivers) n.1 - RST 503, 19 /1U rack-frame with built-in mains power-supply n.3 max - antennas (various types) 2

3 CST 50 CST 50-D CST 36 UHF TRANSMITTER MODULES CSR 50 CSR 50-D UHF RECEIVER MODULE Switchable channels : 16, preset in the MHz range (others on request). Switching-window : 7 MHz (others on request). Frequencies : microprocessor controlled frequency synthesizer circuit, with 5 and/or 6.25 KHz minimum step. They are easily user-re-programmable by PC and optional UPK32 Programming kit. RF output power : CST 50 = can be pre-set between: 300 mw 10 mw (± 1 db) [1]. CST 36 = switchable between 2W mw (± 1 db) RF output impedance : 50 ohm (with type N-Female connector). Spurious emissions : < 2 nw. : FM (nom. deviation = ±1.7 or ±2.5 or ±3.3 or ±5.5 KHz, depending on the channel spacing). Audio input : transformer balanced, floating. Audio input level : with Micro / Line selector, can be adjusted externally between: Micro dbu ( mvrms). (Impedance = > 2 kohm) Line dbu ( mvrms) (Impedance = > 10 kohm) Peak-limiter : automatic, with dynamic-range > 20 db over the level set for the nominal modulation. NR-system : compander circuit, pre-set in Wisycom-NR mode or excluded. Pre-emphasis : 75 µs or 750 µs or off (to be compatible with units of other brands). AF bandwidth : 300 Hz 2.5 KHz (-3 db), for 12.5 KHz channel spacing; Distortion : < 0.5 % (0.25% typ.). : > 80 db (83 db typ.), CCITT measured. LED indications : Transmitter On (red LED) Limiter On (yellow LED). : Vdc (negative ground). CST 50 = 300 ma max.; CST 36 = 700 ma max. Size - Weight : CST 50 = 123 x 49 x 160 mm (n. 1 module) g approx. CST 36 = 123 x 98 x 160 mm (n. 2 modules) kg approx. The CST 50 & CST 36 transmitters comply with the following ETSI specifications: ETS : CST 50 & CST 36, versions with 12.5, 20 or 25 KHz channel spacing; ETS : CST 50, version with 50 KHz channel spacing (useful on frequencies > 470 MHz). OPTIONAL ACCESSORIES FOR CST 50 TRANSMITTER: AGN10 - UHF groundplane dismountable antenna (RG213 cable = 10m). AVN10 - UHF vertical-dipole antenna (RG213 cable = 10m). AWN35 - UHF whip antenna, to be mounted directly on the unit. INT37-x - Audio interface module, for connection with a wired intercom system (execution on request). MTB50 - Master board, for the operation in iso-frequency mode. It needs to be factory mounted. SLB50 - Slave board, for the operation in iso-frequency mode. It needs to be factory mounted. PSS25 - Mains power supply module. PSS26 - Mains and 12Vdc power supply module. RPT22 - Portable minirack, for 2 modules. RPT23 - Portable minirack, for 3 modules. RPTxx - Portable minirack, custom execution. RST22-S - 19 /3U rack-frame, for max. 8 modules (CST50, CSR50, PSS25, PSS26, FAS16, INT37-x). UPK100 - Working frequencies user programming kit (interface + software). Switchable channels : 16, preset in the MHz range (others on request). Switching-window : 7 MHz (others on request). Frequencies : microprocessor controlled frequency synthesizer circuit, with 5 and/or 6.25 KHz minimum step. They are easily userreprogrammable by PC and optional UPK32 Programming kit. RF input impedance : 50 ohm (type N female connector). Spurious emissions : < 2 nw (50 pw typ.). : FM (Nom. deviation = ±1.7 or ±2.5 or ±3.3 or ±6.5 KHz, depending on the channel spacing.) De-emphasis : 75 µs or 750 µs or none (to be compatible with units of other brands). Sensitivity : < 0.25 µv, for 20 db SND/N (CCITT measured). Adjacent channel selectivity : > KHz channel-spacing Intermod. rejection : > 73 db. Squelch : triple function, with independent and separately adjustable circuits, with following modes: noise-squelch; signal-strength-squelch; sub-audio-tone squelch (CTCSS type). Audio output line : transformer balanced, floating. Output line level : +4 dbu (1.230 mvrms) nominal (others on request). Output impedance : 100 ohm. Diversity-control I/O line : opto-isolated, floating (with the optional DYB50 diversity board). Noise reduction system : compander circuit, pre-set in Wisycom-NR mode or excludable. AF bandwidth : 300 Hz 2.5 KHz (-3 db), for 12.5 KHz channel spacing; Distortion : < 2 %, CCITT measured (< 50 KHz channel spacing). : > 80 db (86 db typ.), CCITT measured and with NR circuit switched on. Receiving decoder : CTCSS type (sub-audio tone squelch). LED indications : Receiver On (red Led) Noise squelch open (green Led) CTCSS decoder open (yellow Led) Active receiver (red Led). : Vdc, 100 ma max. (160 ma max. with the DYB50 board), negative ground. Size - Weight : 123 x 49 x 160 mm (n.1 module) - approx. 600 g. The CSR 50 receiver complies with the following ETSI specifications: ETS :versions with 12.5, 20 or 25 KHz channel spacing; ETS :version with 50 KHz channel spacing. (usable on frequencies > 470 MHz). OPTIONAL ACCESSORIES FOR CSR 50 RECEIVER: AGN10 - UHF groundplane dismountable antenna (RG213 cable= 10m). AVN10 - UHF vertical-dipole antenna (RG213 cable= 10m). AWN35 - UHF whip antenna, to be mounted directly on the unit. DYB50 - Remote diversity board. It must be factory mounted on the receiver. FAS16 - Receiver antenna splitter (1-In / 6-Out). INT37-x - Audio interface module, for connection with a wired intercom system (execution on request). PSS25 - Mains power supply module. PSS26 - Mains and 12Vdc power supply module. RPT22 - Portable minirack, for 2 modules. RPT23 - Portable minirack, for 3 modules. RPTxx - Portable minirack, custom execution. RST22-S - 19 /3U rack-frame, for max. 8 modules (CST50, CSR50, PSS25, PSS26, FAS16, INT37-x). UPK100 - Working frequencies user programming kit (interface + software). INT 37-A AUDIO INTERFACE FOR PARTY LINE WIRED-INTERCOM Input level from RX : +4 dbu nominal. Output level to party-line : 0-5 dbu, adjustable by means of GAIN control. Input level from party-line: dbu. Output level to TX : dbu. Side-tone adjustment : 0 15 db, adjustable by means of the SIDETONE control. Audio frequency range : 200 Hz 15 KHz (-3 db). : Vdc, 11 ma max. FAS 16 ACTIVE ANTENNA-SPLITTER MODULE (1-input / 6-outputs) Frequency range : UHF ( MHz). Other on request. Switching-window : 10 MHz (±0.5 db). Input / output imped. : 50 ohm (SWR = < 1 : 1.5; typ. = 1 : 1.4). Overall gain : 0 db (± 1 db). IIP3 :+38 dbm (Input 3 Order Intercept Point). Connectors : input = N-F type; outputs = BNC-F type. Size - Weight : 123 x 49 x 160 mm (n. 1 module) kg approx. 3

4 CRT 16 UHF FULL-DUPLEX BELT TRANSCEIVER for WIRELESS-INTERCOM SYSTEMS Switchable channels : 16 RX + 16 TX, in the MHz range preset (others on request). Switching-window : 5 MHz in the MHz range 7 MHz in the MHz range (others on request). Frequencies : microprocessor controlled frequency synthesizer circuit, with 5 and/or 6.25 KHz minimum step. They can be easily reprogrammed by PC and optional UPK32 Programming kit. TX/RX frequency spacing : 10 MHz min. (others on request). Antenna : single flexible wire-antenna, connector-interchangeable (Impedance = 50 ohm). Operating mode : full-duplex, with one or two PTT (Push To Talk) push-buttons. The transceiver can operate also in continuous transmission by a double click on one PTT button (this function can be inhibited by internal setting). : FM (Nominal deviation = ±1.7 or ±2.5 or ±3.3 or ±5.5 KHz, depending on the channel spacing). Spurious emissions NR system : < 1 nw (50 pw typ.). : compander circuit on both RX/TX channels, set in NR-mode (Wisycom-NR). AF bandwidth : 300 Hz 2.5 KHz (-3 db), for 12.5 KHz channel spacing; RX sensitivity RX selectivity RX intermod. rejection RX audio-output RX squelch TX output power TX audio-input : > -80 db (-86 db typ.), CCITT measured (for 25 khz channel spacing). : < 0.25 µv, for SND/N = 20 db (CCITT measured), for 25 khz channel spacing. : > 76 db to the adjacent channel (for 25 khz channel spacing). : > 73 db. : balanced. Level = 4 Vrms max., with volume control. Impedance = 10 ohm. : internally adjustable (or excludable). : 50 mw, ± 1 db. : internally pre-settable (and externally adjustable) for following microphone types: dynamic electret (2-wire or 3-wire type) active. TX coder : CTCSS (sub-audio tone-squelch). LED indications : Apparatus On (green Led is on) Low-batter (green Led blinks) Transmitter On (red [TX #1] or green [TX #2] Led is on) Modulation peak (blue Led is on) Battery lifetime Size (body) / Weight : n. 4 size-aa battery elements (alkaline or Ni-Mh rechargeable elements). : 15 hours ca., continuous receiving. 6 hours ca., continuous receiving and transmitting. : 143 x 75 x 27 mm / 330 g ca. The standard version of CRT 16 complies with the following ETSI specifications: ETS :versions with 12.5, 20 or 25 KHz channel spacing; ETS :version with 50 KHz channel spacing. SUPPLIED ACCESSORIES: AWF 30 - UHF flexible antenna BCL 18 - Belt clip (removable) CNS 12 - Wisycom AF connector (for customer s microphone/headphones-set wiring) OPTIONALS: CNT 12 - Wisycom AF connector and its mounting on the customer s microphone/headphones set. (Optimum factory-presetting of the transceiver included). UPK Working frequencies user programming kit (DOS-PC running interface + software) MCU xx - Microphone/headphones-set, on request (with Wisycom AF connector) CPR 30 - Talk-back UHF pocket receiver, with 32 frequencies re-programmable PLL sinthesizer. ACM 16 - Ni-MH battery pack (4 AA) charger. CPR 30 TALK-BACK POCKET RECEIVER for WIRELESS-INTERCOM SYSTEMS Switchable channels : 32, preset in the MHz range (other on request). Frequency groups : 2, with external selector. Switching window : 10 MHz (others on request). Frequencies : microprocessor controlled frequency synthesizer circuit, with 5 and/or 6.25 KHz minimum step. They can be easily reprogrammed by PC and optional UPK32 Programming kit. Spurious emissions : < 2 nw (50 pw typ.). Antenna : flexible wire antenna, connector-interchangeable. (Impedance = 50 ohm). : FM (Nominal deviation = ±1.7 or ±2.5 or ±3.3 or ±6.5 KHz, depending on the channel spacing). De-emphasis : 75 µs or 750 µs or none. NR system : compander circuit, pre-set in NR mode (Wisycom-NR) or excludable. Sensitivity : < 0.5 µv, for SND/N = 20 db (CCITT measured). Adjacent chan. selectivity : > KHz channel spacing ( KHz channel spacing). RX intermod. rejection : > 65 db. Audio output : balanced, referred to ground. AF output level (balanced): 3.4 Vrms max., with volume control. AF output impedance : 10 ohm. AF output connector : CPR 30-F version = Fischer D102 type, 3-pin female CPR 30-J version = 3.5 mm jack plug (can be internally pre-set for mono or stereo earphones). AF bandwidth : 300 Hz 2.5 KHz (-3 db), for 12.5 KHz channel spacing; Distortion : < 2%, CCITT measured (< 50 KHz channel spacing). : > 80 db (86 db typ.), with NR-system on (CCITT 25 KHz channel spacing). Squelch : internally adjustable (or excludable). TX coder : CTCSS (sub-audio tone-squelch). LED indications : apparatus-on status (green Led is on) battery-lifetime < 25% (green Led flashes) squelch is open (yellow Led is on). Battery status indication : by means of 4-step Led bar-graph (battery-lifetime < 100%, 75%, 50%, 25%). : 2 x I.E.C. LR6 (Size AA - 1.5V - alkaline) battery elements, or 2 x Ni-MH rechargeable accumulator elements (Size AA 1.2V). Battery life : approx. 7.5 hours, continuous working (with alkaline batteries). Dimensions - Weight : 57 x 18 x 113 mm g, including battery and antenna. The standard version of CPR 30 complies with the following ETSI specifications: ETS :versions with 12.5, 20 or 25 KHz channel spacing; ETS :version with 50 KHz channel spacing. (for frequencies > 470 MHz). SUPPLIED ACCESSORIES: AWF 30 - UHF wire antenna. BCL 20 - Belt clip. OPTIONALS: LBP 30 - Lithium-Ion battery pack. ACL Battery charger for CPR 30 with LBP 30. ACL 30-5 Battery charger for 5 CPR 30 / MTP 22 with lithium battery pack 4

5 WIRELESS-COMMUNICATION SYSTEMS UNIDIRECTIONAL IEM & TALK-BACK SYSTEMS Thanks to its fully modular compositions, you can make up several Base Units configurations. As for the Bidirectional Systems, unidirectional systems can be mounted either in Portable Minirack (with different widths, depending on the required number of modules) and in standard 19 /1U or 19 /3U rack-frames. The Base Unit can be one single-channel or multi-channel type. The are available two types of Transmitters: in a vertical-shape (3U height) and horizontal-shape (1U height). Regarding the output power of the Transmitters, we are used to offer units with an output power that can be factory pre-set in a value between 10 mw (to comply the ETSI norms related to free-use Base Units in UHF TV frequency range, it is a more than suitable power to cover a big TV studio) and 300 mw (that allows a great operating distance up to more than one mile). 2W Transmitter Module (in a vertical shape) is available for even longer distances. The working frequencies can be set in a 7 MHz switching-window between MHz. The Transmitter Module is endowed with a balanced and ground-isolated audio line input, with a very great input-level adjustment capability, to allow the easiest connection with all type of audio sources. EXAMPLES OF UNIDIRECTIONAL BASE UNITS CTK 50 n.1 - CST 50, transmitter module (300 mw max.) n.1 - RPT 22, portable minirack CTK 50-D n.1 - CST 50-D, desktop transmitter (300 mw max.) n.1 - PSP 910, mains power-supply EXAMPLE OF ONE UNIDIRECTIONAL COMMUNICATION SYSTEM with several Base-Units in master/slave configuration (see description on page 6) CTK 50-Master CTK 50-Slave #1 CTK 50-Slave #2 CTK 50-Slave #3 CTK 36 n.1 - CST 36, transmitter module (2 W max, 2-module wide) n.1 - PSS 26, mains power-supply module n.1 - RPT 33, portable minirack CFK 350-C AF input audio line (modulation input) audio line (modulation & reference output) to other Slave Units n.7 max - places for different units (transmitters, receivers, RF-splitter, audio interface) n.1 - RST 22-S, 19 /3U rack-frame n.3 max - antennas (various types) CTK 503 n.3 max - places for different units (transmitters or receivers) n.1 - RST 503, 19 /1U rack-frame with built-in mains power-supply n.3 max - antennas (various types) 5

6 WISYCOM wireless-communication systems for the DVB-T scenario Both RX and TX links use the same UHF band ( MHz), granting the maximum frequency s saving and the best integration with other wireless-systems. All units present 16 RX and/or 16 TX switchable frequencies. Narrow-band or medium-band operation assures the maximum flexibility of use and frequency s saving. Suitable for very complex multi-channel systems, thanks to the extremely high RX-intermodulation-immunity and RF/IF selectivity and TX-signal-clearness. Superb audio quality and exceptional low-noise operations. The Base Unit s transmitter and receiver modules are endowed with audio connections lines, which are balanced and isolated by transformer. This assures the best and easiest connection with any kind of AF-sources, AF-loads and wired intercom systems. The automatic limiter on transmitter s input prevents any overload. The working-frequencies can be easy reprogrammed by PC. Fully modular architecture allows the simplest building and even further improves of any kind of wireless-intercom system. Exceptional sturdiness and absolute reliability. Very great working-areas can be easily covered by the connection of more Base-units together, in master/slave architecture, with synchronized frequencies and diversity reception. WISYCOM systems modular architecture Wisycom wireless-intercom systems architecture is fully-modular. It is possible and simple to build working systems in different ways, depending on user s requirements. The systems can be custom configured according to the several needs of the operators. Here are some main examples: A) All belt-pack transceivers receive the same audio-signal from the basestation and transmit, one at the time by PTT push-button, to the base. While speaking, the transceiver operates in full-duplex mode (it listens to and speaks at the same time). Double-click pushing on on the PTT pushbutton, the transceiver starts to operate in continuous transmitting (and receiving at the same time) till the push-button is pressed again. The base-station is composed by the following RF units: transmitters = n. 1 receivers = n. 1 Required frequencies (on base-station): transmitting = n. 1 receiving = n. 1 B) All belt-pack transceivers receive the same audio-signal from the base-station and can transmit at the same time (in full-duplex mode) to the base. The base-station is composed by the following RF units: transmitters = n. 1 receivers = n. 1, Required channels (on base-station): transmitting = n. 1 receiving = n. 1, C) Each belt-pack transceiver receives a separate audio-signal from the basestation and can transmit at the same time to the base. The base-station is composed by the following RF units: transmitters = n. 1, for each belt-pack transceiver used receivers = n. 1, Required channels (on base-station): transmitting = n. 1, for each belt-pack transceiver used receiving = n. 1, WISYCOM Base-Unit in master/slave configuration In some cases the coverage of the standard base-station is not enough. Therefore Wisycom has developed, and tested for a long time, a special technology to overcome this problem. Wisycom offers the possibility to connect together several Base-Units (in master/slave configuration) to increase the coverage area almost unlimited. In fact the resulted total coverage area is the sum of the single area of each Base-Unit. In order to grant excellent working conditions immune from interferences, Wisycom supplies special add-on boards, to upgrade its transmitterand receiver-modules to allow the master/slave operations. So all transmitters can work in iso-frequency mode and all receivers work in remote diversity mode. The master and slave Base-Units can be installed far away one from the other and they need to be connected together by wire. Wisycom technology allows the utilisation of simple balanced audio lines or cheap telephone twisted-pairs (even pre-existing) instead of expensive dedicated coax or optical-fibres cables. Printed in Italy May 06 Thanks to Wisycom 25 years old experience in the field, the systems are designed with the aim of granting not only the actual maximum operating quality of the products, but also their maximum durability in time. This result is reached with carefully sophisticated technical solutions such as modularity and the inter-changeability of the various modules. The best solution for system-engineers are easily guaranteed by the combination of flexibility and modularity with the highest quality standards. WISYCOM srl Via Spin, 156 I Romano d Ezzelino Italy Tel Fax sales@wisycom.com 6