CIRCUIT DESIGN WA-RX-03S Operation Manual Download Page 9 | Manualshive

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OG_WA-03S_V10e

Circuit Design, Inc.

9

OPERATION GUIDE

CONNECTION EXAMPLE (

WA-RX-03S)

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Summary of Contents for WA-RX-03S

Page 1: ...less Audio Module WA TX 03S WA RX 03S Operation Guide Version 1 0 July 2017 CIRCUIT DESIGN INC 7557 1 Hotaka Azumino city Nagano 399 8303 JAPAN Tel 81 0 263 82 1024 Fax 81 0 263 82 1016 e mail info circuitdesign jp http www circuitdesign jp ...

Page 2: ...c 2 OPERATION GUIDE CONTENTS GENERAL DESCRIPTION 3 FEATURES 3 APPLICATION 3 SPECIFICATION 4 TERMINAL DESCRIPTION 5 CHANNEL TABLE 7 REMARKS FOR INTEGRATION OF THE RECEIVER ANTENNA 7 CONNECTION DIAGRAM 8 DIMENSIONS 10 REFERENCE DATA 12 ...

Page 3: ...lude nearly all the parts necessary for audio transmission in a small shielding case making it possible to develop audio transmission equipment in a short time FEATURES 863 865 MHz European Audio band 15 channels 125 kHz steps 90 dB dynamic range with built in noise reduction system 50 Hz 13 kHz audio response Low power operation Adjustable mute level Small size for embedding in user equipment RED...

Page 4: ... input level 113 to 13 dBv 1 kHz AF input impedance 12 kΩ or more Maximum DC input to AF input 7 V DC max Supply voltage 4 2 to 6 V 3 6 to 7 V 1 Consumption current 5mW 50 mA 10mW 60 mA STB open 1mA Dimensions 36 x 26 x 8 mm Excluding protrusion Weight 13 g 1 Supply voltage 3 6 to 7V Possible operating range without meeting full specifications WA RX 03S Receiver Items Specification Remarks Receive...

Page 5: ...hen the module newly starts transmitting SW5 is disabled when STB H open 8 STB I Terminal for stand by with power off delay Set to High open to enter standby Set to ground when transmitting 9 AF I Audio signal input terminal Audio input signal level 113 dBv to 13 dBv 10 VCC I Power supply terminal Voltage range is DC 4 2 to 6 V A power source without ripple noise should be used A protection diode ...

Page 6: ...esistor Max 10mA 3 UNA O LED terminal for unavailable channels The terminal is high when any channel other than CH 1 to 15 is selected The LED can be powered directly 4 VCC I Power supply terminal The voltage range is DC 3 0 to 5 V A power source without ripple noise should be used Be sure to connect it with the correct polarity To maintain a lower voltage a protection diode is not provided in the...

Page 7: ...H H L 10 864 250 H L H L 11 864 375 L L H L 12 864 500 H H L L 13 864 625 L H L L 14 864 750 H L L L 15 864 875 L L L L L GND Remarks for integration of the receiver antenna Please pay due attention to the design of the antenna ground plane based on the general design theory Locate the antenna in a place where there are no objects between TX and RX and that is visible from the transmitter antenna ...

Page 8: ...OG_WA 03S_V10e Circuit Design Inc 8 OPERATION GUIDE CONNECTION EXAMPLE WA TX 03S ...

Page 9: ...OG_WA 03S_V10e Circuit Design Inc 9 OPERATION GUIDE CONNECTION EXAMPLE WA RX 03S ...

Page 10: ...OG_WA 03S_V10e Circuit Design Inc 10 OPERATION GUIDE DIMENSION WA TX 03S Reference hole position Top view ...

Page 11: ...OG_WA 03S_V10e Circuit Design Inc 11 OPERATION GUIDE DIMENSION WA RX 03S Reference hole position Top view ...

Page 12: ...nt value Transmission halt STB L H Actual measurement value 386 ms 486 ms 649 ms RF ON Transmission starts with low RF power RF POWER ON Transmission with the set RF power AF ON Modulation starts Cumulative time 100 ms 163 ms 5 ms 49 ms 91 ms Cumulative time AF OFF Modulation stops RF POWER OFF Switched down to low RF power RF OFF RF power stops 44 ms 42 ms ...

Page 13: ... When switched from another channel Actual measurement value 7 ms 51 ms 165 ms Cumulative time AF OFF Modulation stops RF POWER OFF Switched down to low RF power RF OFF RF power stops 44 ms 114 ms 508 ms 608 ms 648 ms Cumulative time RF ON Transmission starts with low RF power 100 ms RF POWER ON Transmission with the set RF power 40 ms AF ON Modulation starts ...

Page 14: ... antenna We recommend that you use our standard antenna ANT LEA 02 or ANT RIG 02 or an antenna with equivalent characteristics and performance For details about our evaluation boards and antennas refer to www circuitdesign jp or contact us If you use an antenna other than the recommended antenna further radio conformity assessment may be required 3 Supply voltage of the WA TX 03S The WA TX 03S sho...

Page 15: ...cuits and reverse connections may result in overheating and damage and must be avoided at all costs Ensure that the power supply has been switched off before attempting any wiring work The case is connected to the GND terminal of the internal circuit so do not make contact between the side of the power supply terminal and the case When batteries are used as the power source avoid short circuits re...

Page 16: ...OG_WA 03S_V10e Circuit Design Inc 16 OPERATION GUIDE REVISION HISTORY Version Date Description Remark 0 9 Feb 2017 Preliminary 1 0 July 2017 Regulatory information added ...

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