DEVA DB45FM: The DSP-based FM receiver and modulation analyzer
The DEVA DB45FM, part of the extensive DEVA product range, offers precision and excellence in one compact monitoring tool for CD FM band.
With a fully DSP-based core and impressive features, it delivers accurate measurements of RF level, MPX deviation, MPX power, audio levels, RDS and Pilot injection levels.
Specifications:
- RF input:
- Tuning range: User selectable, 87.1-107.9 MHz (CCIR), 65-74 MHz (OIRT), 76-95 MHz (Japan)
- Tuning Step: 10, 20, 50, 100 kHz
- Tuner sensitivity: 30 dBμV
- Antenna port: BNC connector, 50Ω
- Internal attenuator: 0, 10, 20 and 30 dB
- Dynamic range: 100 dB
- FM Demod:
- IF filter bandwidth: 15 steps (25kHz – 157kHz, Auto)
- Frequency range: ±0.1 dB, 10 Hz to 86 kHz
- Dynamic range: 90 dB
- Stereo Decoder:
- Frequency range (L and R): ±0.1 dB, 10 Hz to 15 kHz
- SNR (stereo): 60 dB, 50 μs de-noise
- THD: 0.1%, 10 Hz to 15 kHz, 50 μs de-noise
- Separation: 50 dB, 50 Hz to 10 kHz, 50 μs de-noise
- 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
- Oda: Yes
- Group Analyzer: Yes
- BER analyzer: Yes
- Display of group order: Yes
- RDS RAW data display: Yes
- Measurement Accuracy:
- RF level: ±1 dB, 0 to 100 dBμV
- Multipath: 0 to 100%; accuracy – ±1%.
- MPX deviation: ±2 kHz, 10 to 100 kHz, 1 kHz resolution
- MPX power: ±12 dBr; resolution – 0.1dBr, 10 sec. integration; accuracy – ±0.2 dBr
- Pilot level: ±0.5 kHz, 1 to 12 kHz, 0.2 kHz resolution
- RDS level: ±0.5 kHz, 1 to 12 kHz, 0.2 kHz resolution
- Audio level: ±1 dB, 10.0 to -55.0 dB, 0.1 dB resolution
- FFT SPECTRUM ANALYSIS:
- Input: Composite MPX, Audio
- Dynamic range: 80 dB
- FFT Length: 1024
- Sampling frequency: 256 kHz – Composite, 64 kHz – Audio
- SCOPE ANALYSIS:
- Input: Composite MPX, Audio
- Trigger mode: Auto, Trap
- Dynamic range: ±120 kHz
- Sampling frequency: 256 kHz – Composite, 64 kHz – Audio