CIRCUIT DESIGN WA-RX-03S, Руководство по эксплуатации

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OG_WA-03S_V10e Circuit Design, Inc. 4
OPERATION GUIDE
SPECIFICATION
Common
Items
Specification Remarks
Compatible standard EN 301 357 RE Directive
Frequency range 863.125 – 864.875 MHz
Number of channels 15 125 kHz step
Emission class F3E
Operating distance 50 m Line-of-sight
S/N ratio 90 dB or more W/IHF-A Filter
Audio frequency response 50 Hz-13 kHz +/-3.5 dB
T.H.D 2 %
@AF 1kHz,
Δ
f = 20kHz
Emphasis 50 us
Operating temperature range 0 to 50 °C
WA-TX-03S (Transmitter)
Items
Specification Remarks
Oscillation type Crystal based PLL oscillation
RF power 5 mW / 10 mW (e.r.p)
Frequency stability +/- 15 kHz
Noise reduction Compander
Spurious emission 1 uW max.
Deviation 20 kHz 1 kHz @ -25 dBv
AF 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
Receiver type Single super heterodyne
Local oscillator type Crystal based PLL oscillation
IF Frequency 10.7 MHz
Noise reduction system Expander
Receiver sensitivity 21 dBuV (- 92 dBm) S/N 55 dB
Squelch sensitivity Adjustable by external VR
AF output level - 10 dBv
Δ
f = 20 kHz
AF output impedance 20 kΩ or less
Supply voltage 3 to 5 V
Consumption current 45 mA
Dimensions 36 x 26 x 8 mm Excluding protrusion
Weight 13 g
*0 dBv=0.775 V * The data was taken at 25 C unless otherwise specified