AOR AR2300 Manual do Utilizador descarregar pdf (Página 2)

Options:

 Accurate reference frequency

The AR2300 is capable of using GPS pulse signal for the accurate time base

for the local oscillator circuit. 0.01ppm frequency accuracy for the 10MHz

internal master oscillator is obtained when synchronized to the GPS signal

source. The optional digital I/Q output board is capable of acquiring GPS

data for time-stamping on digital I/Q data.

 Digital I/Q board and PC software

When an optional I/Q interface board is installed, up to 1MHz of digital I/Q

output can be recorded to the hard drive of computers operating under Win-

dows environment for later playback and analysis without any loss of quality.

This feature allows for unattended logging, signal classification and signal

analysis. PC Control software for Windows XP, Vista and 7 is supplied with the

board.

 APCO P-25 Digital Voice Decoder

APCO P-25 Digital Voice Decoder option is available for the demodulation of

project 25 (P25) digital voice communication which are popular in North

America for the government and public safety communications.

Software:

Control Software (Standard Accessory)

The AR2300 control software is a strong companion of the AR2300 black-box receiver.

The software provides powerful control function running on an MS Windows PC con-

nected to he AR2300 via USB or an optional LAN. The software provides a signal over-

view using a high-speed spectrum or waterfall display.

Powerful memory channel management features are available to manage and control

2,000 channelsallowing to enter alphanumeric channel information. The channel hit-

counter and last event (time and signal level) on each memory channel is available to

monitor the activity and channel coordination. 

 AR-IQ Software (Supplied with digital I/Q board)

When an optional digital I/Q board is installed, the I/Q output can be recorded to the

hard drive of almost any computers operating under Windows environment for later

playback and analysis without any loss of quality. This feature allows for unattended

logging, signal classification and signal analysis .

 The AR-IQ software has been devel-

oped exclusively for AR2300 by Microtelecom of Udine, ITALY.

Optional GPS Receiver.

Third party product. (Connect to accessory jack.)

Plug-in to the AR2300

Approx. size 100 x 50mm

Plug-in to the AR2300

Approx. size 125 x 50mm

The future of radio monitoring.



The AR2300 is a Black-Box version of the AR5001D, a high-performance

communications receiver from AOR. The AR2300 is ideally suited for radio and

spectrum monitoring in various commercial and government applications, as well as for

use in radio investigation services.

Typical application of AR2300 includes:



 Signal detection

 Signal search in frequency and memory scan mode

 Spectrum occupancy and on-the-air monitoring

 Coverage and field-strength check

 Signal and spectrum analysis through an optional I/Q boardwith supplied AR-IQ

software.

Detailed applications:

Monitoring of given frequencies, e.g. storage of 1 to 2000 frequencies,

receiving modes, antenna port, attenuator settings, constant monitoring of one

frequency or scanning of selected frequencies.

Searching in a frequency range with freely selectable start and stop frequency

and step widths of 0.001 kHz (1Hz) to 999.99 kHz.



 Detection of undesired emissions including pulsed emissions.



  Detection of unlicensed transmitters communicating illegally or interfering with

licensed transmission.



 Protection against tapping by detecting miniature transmitters (bugs)



 Monitoring of one's own radio exercises in a service bandand monitoring of

selected transmissions.



 Remote-controlled operation via an optional LAN controller in coverage check

and monitoring systems.



Technical Features:

 Computer controlled Black-Box

All functions of the AR2300 can be used with lap-top or desk-top PC that runs under

Windows XP, Vista and 7. The AR2300 can be controlled remotely through an

optional LAN controller.

Lightweight net-book PC can be used as control head for the AR2300.

(PC not included. )

 Super Wide Range

Continuous frequency coverage: 40 kHz to 3.15 GHz in 1 Hz step with 1ppm

frequency accuracy. (Frequency accuracy can be optimized to 0.01ppm with

an optional GPS receiver,)

 Multi-Mode reception

High performance digital signal processing circuitry offers variety of reception

modes as well as decoding options. Receiving mode includes USB/LSB, CW,

AM, SAM, FM, Wide FM and FM stereo. The decoding modes include CTCSS,

DCS, DTMF and APCO P-25 by an optional P-25 decoder.

 High-Performance analog front-end

The RF front-end is carefully designed by CAD to obtain optimum performance

across the entire frequency range of 40kHz to 3.15GHz.

 Digital Signal Processing

The 45.05MHz IF signal is processed by the independent signal processor for

signal demodulation and recovery. No AGC circuitry is used in the analog

stage to ensure accurate level reading as well as to offer IF output signal level

linearity against RF input signal.

 Direct Sampling Architecture (40 kHz to 25 MHz)

The AR2300 employs 14bit/65Ms/s direct sampling receiver architecture for

VLF, LF and HF band. The direct sampling architecture assures high IMD and

IP3 characteristics.

 Direct digital synthesizer (DDS) local oscillator

Direct digital synthesizer is employed for the 1st local oscillator that ensures

fast frequency switching for memory channel scanning and frequency band

search operation.

Simulations reception and monitoring

Simultaneous reception on HF (below 25MHz) and VHF-UHF (above 25MHz)

frequencies are possible. For the frequencies above 25MHz, absolute dual-

channel reception within an IF bandwidth is possible. Thus, triple channels can

be monitored simultaneously.

 Analogue VIDEO demodulation

Composite video output is provided to monitor FM modulated analogue type

wireless security camera or frequency search operation for bug transmitters.

 SD Audio recorder

AR2300 is capable of recording demodulated audio directly to the built-in SD

media recorder. Compact and readily available, SD memory card are immune

to vibrations and produce no mechanical noise, unlike motor-driven media such

as tape or discs.

The AR2300 can accommodate up to 32GB SDHC card, allowing up to 240

hours of total recoding time using PC compatible WAV format. The typical

continuous recording time with 1GB SD card is about 8 hours. The recording

time can be extended when squelch operation is employed.

 Wideband and high-performance IF output

45.05MHz of intermediate frequency (IF) analogue output with 15MHz

bandwidth is provided for the external peripherals when use AR2300 as

receiver front-end. Between 25MHz to 3GHz, the analog IF output is correlated

within r1.5dB to the antenna input by accurate signal source with traceability,

thus accurate signal monitoring or measurement is possible with appropriate

measurement antennas.

The graph shows typical IF output characteristics. (Absolute level difference

between Input level versus IF output level. )

 AF-IQ Output

12kHz IF output is provided for the PC sound card based SDR (software

defined radio) for signal demodulation by the PC. Typical application include

the reception of DRM (Digital Radio Mondiale) broadcasts on HF frequencies.

AR5001D Receiver

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