The EF-970 professional trainer is an innovative training system, designed for the learning, demonstration and experimentation with the Fibre Optics communication systems, the phenomenon related to light and the principles of transmission through Fibre Optics; as well as the latest tendencies like LASER and WDM systems.

EMITTER KIT	Two independent channels, with LED and laser-photoemitters. 8 inputs, BF generator, miliammeter
RECEIVER KIT	With calibrated optic power meter.
OP-970-1	4 optic inputs, the analogue channel has a gain of 40 dB Set of accessories for practices, including one optic positioner, one attenuator and one variable fibre coupler
OP-970-2	Set of accessories for practices of connection

Partial list of exercices EF-970 & EF-970-E

- Measuring the attenuation of an optical fibre

- Spectral dependence of the attenuation of an optical fibre

- Influence of ambient light

- Connecting optical fibre using ST-ST adapters

- Measuring repeatability

- Measuring the P/I characteristics of photoemitters

- Measuring the optical stability of photo-emitters

- Measuring the V/I characteristics of photo-emitters

- Frequency characteristics of photo-emitter modulation

- Bandwidth of photo-detectors

- Transmission of analogue signals

- Transmission of audio signals

- Transmission of video signals

- Transmission of digital signals

- RS-232 transmission using optical fibres

EF-970-E only

- Optical power measurement

- Measuring the attenuation of an optical fibre. Insertion losses method

- Measuring the attenuation of an optical fibre

- Spectral dependence of the attenuation of an optical fibre

- Influence of ambient light

- Connecting optical fibre using ST-ST adapters

- Measuring repeatability

- Measuring the P/I characteristics of photo-emitters

- Measuring the optical stability of photo-emitters

- Measuring the V/I characteristics of photo-emitters

- Frequency characteristics of photo-emitter modulation

- Spectral dependence of photo-detectors (suggested EF-970-E)

- Inverse voltage in photo-detectors

- Bandwidth of photo-detectors

- Transmission of analogue signals

- Transmission of audio signals

- Transmission of video signals

- Transmission of digital signals

- RS-232 transmission by optical fibres

OP-970-01 Exercices kit

- Sensitivity of optical fibre to curvature (Macrocurves)

- Sensitivity of optical fibre to microcurvature

- Radiation characteristics of optical fibre. Measuring numeric aperture

- Measuring sliding in optical fibre connections

- Characteristics of a fixed WDM device

- Characteristics of a variable WDM device

- Measurements with neutral optical fibres

- Measuring insertion loss by the variable optical attenuator

- WDM: multiplexation and demultiplexation

- WDM system

- WDM transmission

- Transmission sensor

- Reflection sensor

- Liquid level sensor

- Spectral dependence insertion loss by the variable optical attenuator

(EF-970-E needed)

- Comparing noise characteristics between PIN and APD photodetectors

(EF-970-E needed)

OP-970-02 Connection kit

- Connections with the optical fibre connector tool kit EF-970 or

EF-970-E

OP-970-03 Microscope

- Recommended even to use with OP-970-02

Alte produse PROMAX

MODULATOR HOME DIGITAL VIDEO DVB-T PROMAX EN-106

• sends audio / video signal from TV satellite receivers, closed-circuit television cameras (CCTV) or video players to DVB-T
• Video Input: 1 x PAL?/?NTSC / SECAM
• Audio Input: 2 x Mono /?Stereo
• Video Compression: MPEG-2 MP@ML 720x576, 25 fps (PAL), 720x480, 30 fps (NTSC)
• Audio Compression: MPEG-1 Layer II Stereo, Mono, Dual, Joint Stereo
• FREQUENCY MARGIN: From 100 to 865 MHz (channels S01 to C69)

SISTEM TRAINING AMPLIFICATOARE DE PUTERE PROMAX EP-834

• comprension of amplifier circuits and practices repairing it
• 6 audio inputs, a block diagram (input signal sources, filters, equalizers)
• RIIA Correction
• Loudness filter
• Subsonic filter

GENERATOR VIDEO ANALOG + TRANSPORT STREAM DIGITAL MPEG-2 PROMAX GV-998

• Multi-standard and multi-system analogue TV signals
• Test Signal generation in MPEG-2, SPI or ASI format
• Test Signal contains valid audio and video programs
• Moving MPEG-2 video pattern generation
• MPEG logos
• RS-232 remote operation

SISTEM TRAINING RECEPTIE TV DIGITAL PROMAX EU-850

• digital television receivers (satellite, terrestrial and cable)
• transmission, reception and distribution of the digital television (COFDM, QPSK and QAM)
• 5"-TFT hi-res graphical display
• Terrestrial (PAL, SECAM and NTSC systems)
• Terrestrial (COFDM), Satellite (QPSK) and Cable (QAM)
• Video: MPEG-2 / DVB (MP@ML) format

SISTEM TRAINING DVB-T TFT-LCD PROMAX ET-893

• suitable equipment for the learning of the flat screen television sets operation
• equipped with TFT-LCD and Plasma technology
• allows the student to become familiar with Digital Terrestrial Television (DVB-T)
• includes a failures generation module

CONVERTOR ASI-TRANSPORT STREAM -> IP PACKET PROMAX DT-421

• TS INPUT: 4 x DVB-ASI
• IP OUTPUT: Ethernet 100/1000 Mbps. RJ45 connector
• Communication Protocol: UDP or RTP/UDP
• Transmission methode: MULTICAST
• Payload: 7 MPEG-2 packets

TRANSMODULATOR DVB-T -> DVB-T PROMAX DT-212

• RF INPUTS: 2 independent DVB-T inputs
• RF OUTPUT: 2 combined independent DVB-T multiplexes
• PID Filtering with Filtering Table up to 32 PID
• direct COFDM input that can be tuned to any multiplex
• ouput in the UHF band
• regenerate the quality of the multiplex when received from a noisy source
• change the input channel to another channel with total quality preservation

MODULATOR TDS-OFDM ASI/ SPI -> DTMB PROMAX MO-270

• compliant with China's national standard specification for digital terrestrial broadcasting GB20600-2006
• MPEG-2 TS INPUTS: 2x ASI, 1xSPI
• IF OUTPUT: 36 MHz, 50 ? BNC female connector
• RF OUTPUT: 45-875 MHz, 50 &8486; BNC female connector
• MODULATION: TDS-OFDM, 1 or 3780 subcarriers

POWER-METRU FIBRA OPTICA PROMAX PROLITE-63

• OPTICAL POWER METER function (OPM)
• ATTENUATION TEST function
• LOGGER function
• CALIBRATED WAVELENGTH: 1310, 1490, 1550 and 1610 nm
• USB to PC connection
• Pass/Fail signal level analysis

MODULATOR SFN/MFN DVB-ASI/ SPI -> DVB-T/ DVB-H PROMAX MO-180

• MPEG-2 TS INPUT: 2xDVB-ASI 75 ?, 1xDVB-SPI LVDS DB-25
• RF Output: 45 - 875 MHz
• CONTROL INTERFACE: Ethernet RJ-45 connector (SNMP compatible)
• 10 MHz GPS reference input