PRODUTOS

AR2300 Receptor 40kHz ~ 3150MHz

AOR

  • AR2300 Receptor 40kHz ~ 3150MHz
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O AR-2300 é uma versão de caixa-preta do AR-5001D, um receptor de comunicações de alto desempenho da AOR. O AR-2300 é ideal para rádio e monitorização do espectro em aplicações comerciais e governamentais de cárie, bem como para uso em serviços de investigação de rádio.

aplicação típica de AR-2300 inclui:

• Detecção de sinal

• busca de sinal no modo de frequência e varredura de memória

• ocupação do espectro e on-the-air de monitoramento

• Verificar a cobertura e campo-força

• Sinais e análise de espectro através e de E / Q opcional com software AR-IQ fornecido.

aplicações detalhadas:

• Monitoramento de determinadas frequências, por exemplo, de armazenamento de 1 a 2000 freqüências, recebendo modos, porta de antena, ajuste do atenuador, um acompanhamento constante de uma freqüência ou a verificação de freqüências selecionadas.

• Pesquisa em uma faixa de freqüência com livre escolha de início e de frequência de parada e passo larguras de 0.001 kHz (1 kHz) para 999,99 kHz.

• Detecção de emissões indesejáveis incluindo as emissões pulsadas.

• A detecção de transmissores não licenciados que comunicam de forma ilegal ou que interferem com a transmissão licenciado.

• Acompanhamento do `s próprios exercícios de rádio em uma banda de serviço e acompanhamento das transmissões selecionados.

•-controlo remoto operação através de um controlador LAN opcional em cheque cobertura e sistemas de monitoramento.

 

Computer controlled Black-Box:

All functions of the AR-2300 can be used with lap-top or desk-top PC that runs under Windows XP, Vista and 7. The AR-2300 can be controlled remotely through an optional LAN controller.

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, DSC, 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 AR-2300 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.

Analog 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

AR-2300 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 AR-2300 can accommodate up to 23GB 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 AR-2300 as receiver front-end. Between 25MHz to 3GHz, the analogue IF output is correlated within ± 1.5dB 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).



Frequency range

40KhZ to 3.15GHz

Frequency resolution

1Hz

Tuning steps – program

1Hz to 999.999kHz in 0.001kHz increments

Receiving modes

USB/LSB(J3E), CW(A1A), AM(A3E), FM(F3E), WFM(F3E), FM-Stereo(F8E), APCO P-25(D3E) Optional.

Number of VFO

5 (A through E)

Memory channel

2,000 channels (50 channels x 40 Memory banks)

Memory bank

40 banks (each bank can be customized between 5 to 95 channels)

Pass frequencies

1,200 frequencies or 1,200 frequency ranges

30 frequencies(ranges) x 40 banks

Priority channel

1 (one)

Selected memory channel

100 channels through memory banks

Typical scanning speed

Approx. 100 channels/steps per second

Antenna impedance

50W

Operating temperature range

0°C to + 50°C / 32°F to 122°F

Frequency stability

Less than ±1ppm after warm-up (5 minutes)

Less than ±0.01ppm with optional GPS unit.

Power supply requirement

DC 10.7V to 16V, 2.0A @ 12V

Audio output

>2W into 8W load

Power consumption*

Stand-by: 200mA, Max. Audio: 1.5A

Ground system

Negative ground

Dimensions*

285mm(D) x 220mm(W) x 70mm(H)

11¼ (D) x 8½ (W) x 2¾ (H) 

Weight*

3kg (6.6 lb.)

 

RECEIVER:

 

Receiver system

40kHz – 25MHz               Direct conversion

25MHz – 220MHz           Double super-heterodyne

220MHz – 360MHz         Triple super-heterodyne

360MHz – 3.15Ghz         Double super-heterodyne

Intermediate frequencies

1st      –      294.5MHz / 1.7045GHz

2nd     –      45.05MHz / 294.5MHz

3rd     –       45.05MHz

Third-order IMD

>+20 dBm     at     14.1MHz

>+9 dBm       at     50MHz

>+5 dBm       at     620Mhz

Spurious and image rejection

>70dB:          40kHz – 25MHz

>50dB:          25Mhz – 2GHz

>40dB:          2.0GHz – 3.15GHz

Digital IF filter bandwidth

200Hz, 500Hz, 1kHz, 3kHz, 6kHz, 15kHz, 30kHz, 100kHz, 200kHz – Receiving mode depended

Selectivity

CW- 500Hz              -3dB: > 380Hz – 80dB: > 500Hz

AM – 6kHz               -3dB: > 5.5kHz -80dB: > 6.9kHz

SSB – 3kHz               -3dB: > 2.7kHz -80dB: > 3.1kHz

NFM – 15kHz           -3dB: > 14.2kHz -80dB: > 15.6kHz

WFM – 200kHz        -3dB: > 200kHz -80dB: > 250kHz

 

 

 

 

 


 

 

 

 

 

 

AUXILIARY FUNCTIONS

 

Simultaneous reception

Two types of simultaneous reception (dual-watch) are possible

2 band reception

One HF (40kHz- 25MHz) frequency plus one

VHF/UHF (25MHz and above) frequency.

Offset reception

Main frequency plus sub-frequency (within ±5MHz from the center frequency)

Offset reception is possible only for VHF/UHF.

Triple reception

Triple receptions are possible by combining simultaneous reception mode. I.E. One HF frequency plus offset reception

Squelch system

CTCSS, DCS

Demodulation Aid

Auto Notch Filter (NOTCH), De-Noiser(NR), Noise Blanker, IF Shift, CW Pitch, AGC,AFC, DTMF

APCO P-25 Digital voice decoder (option)

 

AUDIO RECORDING

Type of recording

Record/Playback function through SD or SDHC

SD card type

SD or SDHC card per SD Card Association

More than 256MB is required. Use card adapter for miniSD and microSD cards. FAT16 and 32 only

File Format

Windows compatible WAV file format. RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16-bit mono 17.578kHz

Recording time

Approximately 8 hours of continuous recording by 1GB SD Card. Squelch synchronization is possible to eliminate inactive time.

 

 

 

INPUT & OUTPUT

Antenna Input

ANT 1: 25MHz – 3.15GHz, N-J connector

ANT 2: 40kHz – 3.15GHz, N-J connector

10MHz reference input

SMA-J connector

Typical input -2dBm±2dBm for 50Ω

45.05Mhz Analog IF output

BNC-J connector, 45.05MHz±7.5MHz

Typical output: Antenna input +10dBm for 50Ω

Frequency range 25MHz – 3.15GHz only.

Digital I/Q output (Option)

USB2.0 compatible isochronous transfer

Digital I/Q output through USB Type-A Jack.

Frequency range 25MHz – 3.15GHz only

12kHz offset output

12kHz offset analog I/Q through 3.5mm stereo-phone jack.

Line output

3.5mm stereo-phone jack (3wire)

Accessory

8-pin miniature DIN

DC Power Input

EIAJ MP-121C (5.5 x 2.1mm) plug. Positive center.

External speaker

3.5mm miniature phone jack (2-wire)

RS-232C

9-pin D-subminiature type (Male) – Firmware update and remote control by PC.

USB

USB Type-A; USB 1.1//2.0 Jack for PC control.

VIDEO output (Front Panel)

RCA Jack, 75Ω 1V p-p

 

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