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DEVA Broadcast DB4004

FM Radio Modulation Monitor & Monitoring Receiver


DEVA Broadcast DB4004
DEVA Broadcast DB4004DEVA Broadcast DB4004

The DB4004 is second generation digital FM Radio Modulation Analyzer, built on DEVA’s long-standing expertise in the broadcasting equipment industry. This powerful monitoring system allows easy and reliable monitoring of the quality of up to 50 FM radio stations. With its TCP/IP and GSM (optional) connectivity, the DB4004 utilizes options and controls never seen before.

All measurements are refreshed simultaneously and synchronously due to the DB4004’s great processing power, thereby allowing detailed readings of all the multiplex FM signal components. The signal digitizing takes place at the input, processing the signal through DSP algorithms. Thus equipment measurement reproducibility over time is guaranteed. The powerful accuracy of the digital filters ensures that the FM multiplex signal components will be accurately and repeatedly transferred from one device to any another. In addition to the list of all the DB4004 features, the channel measurements and logs are saved in internal device memory, accessible via the built-in FTP system.

Main Features:
• Dual antenna ports with built-in RF attenuator
• Up to 100 dBµV direct RF Antenna Input
• Selectable wide range IF filter bandwidth
• Fully DSP-based core
• Bright, accurate bar graph LED metering of the Modulation and Pilot Levels
• Total and independent Positive and Negative deviation bar graph
• Left, Right, L+R, L-R bar graph LED audio level meters
• Wide angle, easy to read OLED display
• Very Intuitive Navigational Menu
• Built-in Oscilloscope for IF, MPX, Pilot, RDS, Left & Right display
• Levels measurement with data history
• Spectrum analyzer allowing checking of the RF Carrier and MPX
• Selectable De-emphasis - Off, 50µs and 75µs
• Quick Station access via 4 Presets
• Built-in Stereo Decoder
• Real Time Audio Program Streaming
• Remote Listening via optional GSM modem
• Built-in 50 channel Data logger
• Built-in WEB and FTP server
• Easy to use WEB interface
• Apple and Android devices support
• SNTP for automatic synchronization of the built-in clock
• RDS and RBDS decoder with BER meter
• Alarm dispatch via E-mail, SMS, SNMP and GPO
• Complete status reporting with SMS via optional GSM modem
• Protected access to the device settings
• Level Adjustable, Balanced Analog Audio Outputs on XLR Connectors
• Professional AES/EBU, SPDIF and Optical Digital audio outputs
• LAN port for full TCP/IP remote control and monitoring
• Adjustable MIN/MAX alarms for RF, Pilot Left & Right Audio Levels
• Adjustable MIN/MAX alarms for MPX, MPX Power & RDS
• USB communication interface for local connectivity
• Headphone output with front panel level control
• Firmware updates will ensure improved operation
• Accurate front-panel metering for local use
• Restore Factory Parameters option
• Easy Installation and Setup
• Wide operating voltage range: 100-240V AC
• 19" Professional Case for high RF immunity
RF Input:
• Tuning Range 88 to 108 MHz, Frequency Agile
• Tuning Step 10, 20, 50, 100 kHz
• Tuner Sensitivity 30 dBµV
• Antenna Ports Dual, 2 x BNC Connectors, 50Ω
• Antenna Ports Isolation > 40 dB
• Internal Attenuator 0, 10, 20 and 30 dB
• Dynamic range 100 dB FM Demod:
• IF Filter Bandwindth 15 Increments (27kHz - 157kHz, Auto)
• Frequency Response ±0.1 dB, 10 Hz to 86 kHz
• MPX Power ±12 dBr, 20 sec. integration
• Dynamic range 90 dB Stereo Decoder:
• Frequency Response (L and R) ±0.1 dB, 10 Hz to 15 kHz
• SNR (Stereo) 60 dB, 50 µs de-emphasis
• THD 0.1%, 10 Hz to 15 kHz, 50 µs de-emphasis
• Separation 50 dB, 50 Hz to 10 kHz, 50 µs de-emphasis
• Crosstalk 52 dB
RDS Decoder:
• Standards European RDS CENELEC; United States RBDS NRSC
• Error Correction & Counting Yes
• AF Decoding Yes
• CT (Time/Date) Yes
• PI, PTY, DI, MS Yes
• TA/TP Yes
• RT (Radio Text), RT+ Yes
• PS (Program Service name) Yes
• TMC, ODA Yes
• Group Analyzer Yes
• BER Analyzer Yes
• Group Sequence Display Yes
• RDS RAW Data Display Yes 
• FFT Spectrum Analysis (RF, Composite, Audio) Signal Sources RF (IF), MPX, Left, Right
• FFT length 2048 points
• Dynamic range 90 dB
• Scope Analysis (RF, Composite, Audio)
• Signal Sources RF (IF), MPX, Pilot, RDS, Main, Sub, Left, Right
• Record length 4096 points
• Dynamic range 90 dB
Metering Accuracy:
• RF Level ±1 dB, 0 to 100 dBµV
• MPX Power ±0.2 dBr, -12 to 12 dBr, 0.1 dBr resolution
• Total, Pos, Neg ±2 kHz, 10 to 100 kHz, 1 kHz resolution
• Pilot, RDS ±0.5 kHz, 1 to 12 kHz, 0.2 kHz resolution
• Audio ±1 dB, +10.0 to -55.0 dB, 0.1 dB resolution
• Composite 3.5 Vp-p @ 75kHz, 75Ω, unbalanced BNC Connector
• Audio (L, R) +12 dBm, 600Ω balanced XLR Connector
• AES3 (L, R) 5.0 Vp-p, 110Ω , balanced XLR Connector
• SPDIF (L, R) 3.0 Vp-p, 110Ω, unbalanced BNC Connector
• Optical (L, R) Transmitter, TOSLINK
• Alarms Programmable terminals on rear panel, optoisolated
• Headphone 6,3mm (1/4") Phone Jack Communication
• USB B-type Connector
• Ethernet 10/100 Base-T RJ45 Connector
• GSM Modem 15 pin Male D-Sub Connector Measurement
• Storage 2GB Build-in Memory Card
• Data format Text, CSV
• Voltage 100-240V / 50-60 Hz / 25W
• Connector IEC320
Size and Weight:
• Dimensions (W;H;D) 485 x 44 x 180 mm
• Shipping Weight 3kg

List Price: $3,200.00
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