Ecreso HELIOS JUNIOR, Руководство пользователя, Страница: 13 / 39

Helios Junior, User’s guide 02/2008
Page 13
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Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – infos@ecreso.com
3. TECHNICAL SPECIFICATIONS
3.1. RF section
Frequency range 87,5 to 108 MHz
Summary of different steps 10 kHz
Frequency stability < 10 -6 per year
Power range 2 to 20W @ VSWR=1,35
Power settings continuously variable from 0,1 to 22,5W
Spurious and harmonic rejection > 75 dBc between 87,5 to 137 MHz
> 70 dBc out of band
3.2. Composite operation
Bandwidth > 40 Hz to 55 kHz @ 0,2 dB
> 20 Hz to 100 kHz @ 0,4 dB
Intermodulation distorsion < 0,05%
FM S/N ratio > 70dB RMS @ 75kHz deviation
AM noise < 1% (40dB) RMS (20_20 000 Hz)
3.3. Monaural operation
Bandwidth > 40 Hz to 15 kHz @ 0,5 dB
Intermodulation distorsion > 35 dB @ 19 kHz
Pre-emphasis 0µs, 50µs or 75µs
3.4. AF inputs
Auxiliary (AUX)
Connector «BNC» type
Impedance > 2 k Ω
Bandwidth > 50 kHz to 100 kHz @ 0,5 dB
Level Internally adjustable :
- 11 dBu to -2 dBu @ 10% Nominal deviation
Mono/Multiplex (Mono/MPX)
Connector « BNC » type
Impedance > 2 k Ω
Level Adjustable on front panel, depending on internal config:
- 6 dBu to 6 dBu or 6 dBu to 18 dBu @ 75kHz deviation
3.5. Command input
Switching option between Mono and AUX inputs (SW)
Connector «Miniconnec, 2 points, 5,08mm» type