FM BROADCAST EXCITER-TRANSMITTER

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18 en stock (peut être commandé)


GENERAL

Power Output:………………………from 0 to max. continuously adjustable from front panel.

Frequency Range:………………..87.5÷108.00 MHz, [ 66÷74 MHz (OIRT), 76÷90 MHz (JPN)]

Type of Modulation:……………….Direct frequency modulation of carrier, F3E stereo and mono. RF Output Impedance:…………..50 ohm.

RF Output Connector: …………..N type to 100W RF Output setting:…………………1W step,

VSWR: ……………………………….1.5:1 Max with automatic fold-back VSWR prot. at all phase angles Frequency Stability: ………………Internal TCXO ±2 ppm from -5 to +50°C (better on request) Modulation Capability:……………over ±200 KHz

Audio Inputs: ……………………….L&R analog balanced, Unbalanced composite, AES, SCA, RDS Operator interface setting:…….Encoder Push-Rotary

LCD Display:………………………..Oled hi-definition graphic type Frequency Control: ………………Synthesizer µprocessor controlled. Programming step:………………..10 KHz increments

Interface remote control:………..N°2 RS485 ports RJ45 back panel PC Interface: USB: ……………….connector Type B female front panel

Telemetry:……………………………RJ45 LAN connection with WEB-Server

Monitor RF:………………………….-10 dBm, BNC-F connector Off Lock RF Muting: ……………..< -80 dBc.

RF Harmonics: …………………….Exceeds ETSI/CCIR/FCC requirements.

RF Spurious: ……………………….Exceeds ETSI/CCIR/FCC requirements.

Preemphasis: ………………………Flat/50/75µs selectable from front panel. Asynchronous AM S/N Ratio:….-65 dB below ref.100% AM modulation @ 400 Hz.

Synchronous AM S/N Ratio: …..-60 dB below ref. 100% AM mod. 400 Hz with FM 100%

AC Power Factor:………………….0.95 typical at 220VAC Operating temperature: …………-10°C to +50°C.

Max Operating Altitude: …………> 3000 mt.

Relative Humidity Range: ………0 to 95% non condensing.

MONAURAL PERFORMANCE

Operational Modes: ………………Mono (L+R)

Input Impedance: ………………….600 ohm or 10 Kohms balanced.

Input Level: ………………………….-6 to +12 dBm in 0,5dB step (Other range on request)

Input Connector:…………………..XLR female – balanced. Audio Frequency Response:…..±0.15 dB, 30 Hz to 15 KHz. Preemphasis setting:……………..0, 50µS, 75µS

Audio Filter Attenuation:…………< -55 dB @ 19 KHz, < -50 dB 20 KHz to 100 KHz T H Distortion + Noise:…………..< 0.05% @ 400 Hz

FM S/N Ratio:……………………….better than -80 dB RMS ref. ±75 KHz 50µs deemphasis.

 

MULTIPLEX PERFORMANCE

Composite Input Impedance:…..600 ohm or 10 Kohms balanced.

Composite Input Level:…………..-12 to +6 dBm in 0,5dB step (Other range on request) Input Connector:……………………BNC female.

AES/EBU Input Connector:……..BNC female

Composite Response:……………±0.2 dB, 30 Hz to 100 KHz.

THDistortion + Noise:…………….0.05% @ 400 Hz Intermodulation Distortion:………0.05%, 1 KHz/1.3 KHz, 1:1 ratio

FM S/N Ratio:……………………… better than -80 dB RMS ref. ±75 KHz 50 µs de-emph. decoded.

 

STEREO CODER PERFORMANCE

Audio Input Impedance:………….600 ohm balanced, 15 Kohm unbalanced.

Audio Input Level:………………….-6 to +6 dBm in 0,5dB step (Other range on request)

Input Connector:……………………XLR female.

Audio Frequency Response:…..±0.15 dB, 30 Hz to 15 KHz. Preemphasis setting:……………..0, 50µS, 75µS

THDistortion + Noise:……………..0.05% @ 400 Hz Intermodulation Distortion:………0.05%, 1 KHz/1.3 KHz, 1:1 ratio

FM S/N Ratio:……………………….-80 dB RMS at ±75 KHz 50 µs de-emphasis.

Pilot Frequency: ……………………19 KHz ± 1 Hz

38 KHz Suppression:……………..-60 dB (typ. -70 dB)

Audio Filter Attenuation:………….< -55 dB @ 19 KHz, < -50 dB 20 KHz to 100 KHz Stereo Separation:…………………30÷100 Hz = -50 dB, 100Hz÷15 KHz = -60 dB

Crosstalk attenuation:…………….Main to Sub -50 dB 30 Hz to 15 KHz below 100% Mod.

 

SCA-RDS 1&2 PERFORMANCE

Input Level:…………………………..-6 to +6 dBm in 0,5dB step (Other range on request)

Impedance:…………………………..10k ohms unbalanced

Connector:……………………………BNC female

Amplitude Response:……………..+/- 0.1dB; 53Hz to 100kHz

 

MECHANICAL/PHYSICAL

Height: ………………………………… 44.1mm (1.75″)

Width: ………………………………….-19″ (48.3 cm) EIA Rack Mount

Depth: ………………………………… 21.2″ (54 cm) with connectors

Weight:………………………………… 6,5 kg 14 lbs unpacked

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