USX2 Просмотр технического описания (PDF) - Radiometrix Ltd

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USX2

NBFM Multi-channel UHF Transceiver

Radiometrix Ltd 

Condensed specifications (All details are provisional)

Frequency

Frequency stability

Channel spacing

Number of channels

315 - 315.375MHz (US band)

433.875 - 434.650MHz (433 MHz EU band)

458.525 - 459.1MHz (458MHz UK band)

±1.5kHz

25kHz

128 channels selected via serial RS232 interface

First 16 are individually programmable

Next 112 are a sequential table

16 channels selected via parallel interface

Supply

voltage

Current

3.6 -15V

45mA transmit (at 10mW output)

100mA transmit (at 100mW output)

25mA receive (or modem ‘idle’)

Operating temperature

Size

Spurious radiations

Interface

User

RF

Reprogram

Recommended PCB hole

size

-20 to +70 οC (Storage -30 to +70 οC)

50x 30 x 12 mm

Compliant with ETSI EN 300 220-3 and EN 301 489-3

11 pin 0.1" pitch molex

3 pin 0.1" pitch molex

5 pin 0.1" pitch socket in top of case

1.2mm (min.)

Transmitter

Output power

TX on switching time

Modulation type

TX modulation bandwidth

Deviation

Adjacent channel TX power

TX spurii

Inputs

100mW (+20dBm); Adjustable via serial command 0.1 - 100mW

<50 ms

FM, FSK (F1D, F3D)

DC – 3kHz

±3kHz

-37dBm

<-40dBm

Data (CMOS/TTL compatible)

Receiver

Sensitivity

image / spurious

blocking

adjacent channel

Outputs

-118dBm for 12dB SINAD

-60dB

-84dB

-60dB

RSSI, Audio, Data

Notes: 1. The data slicer cannot be depended upon for data waveform frequencies below 250Hz

2. When RX is on and a transmitter keys up, again a 50ms period is required to stabilise data output

mark/space. i.e. allow at least 50ms of preamble

Radiometrix Ltd

USX2 Data Sheet

page 6

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