AST1000 - Coloet

1000 W AST 1000

The COLOET AST FM transmitter line is a state-of-the-art heavy-duty, FM low power equipment featuring high efficiency technology.
It is a broadband agile 88-108 MHz, compact design transmitter 1RU and 2RU with an output power from 100 W to over 1 k W.
It includes an MPX input and remote control via SNMP and WEB pages and TLC/TLS.
The AST FM transmitter line is designed to fulfill the requests of those remote stations in need of a heavy-duty, cost-effective transmitter design.

FRONT VIEW

REAR VIEW

Frequency Agile Broadband 88-108 MHz
Modular and compact design: up to 250 W in 1 RU.
Overall efficiency more than 70%
MPX Input
Optional Stereocoder (L&R), AES EBU inputs
Optional Dynamic RDS coding embedded
Ultra High signal to noise ratio, extremely low distortion.
User friendly GUI.
Remote control via SNMP, WEB pages, TLC/TLS

TECHNICAL FEATURES:
Working bandwidth:	87,5 ÷ 108 MHz
Frequency stability:	± 1 ppm
Output power:	1000 W
Output connector:	7/16
Harmonics Attenuation:	≥ 80 dB
Frequency Deviation:	ΔF ± 75 KHz … ± 100 KHz
MPX Input:	Band 40 Hz … 100 KHz impedance > 2KΩ or 600Ω Input level adjustable from -6dBu up to +6dBu
MONO Input: (L input is the default input, it can be set by the web pages on L or R input)	40 Hz … 15 KHz impedance > 2KΩ or 600Ω Pre-emphasis 0/50/75μs Level from -6dBu … up to +6dBu
AUDIO AUX Input:	from 21 KHz … up to 100 KHz Input level adjustable from -6dBu up to +6dBu
L and R Inputs:	Stereocoder Option. Impedance > 2KΩ o 600Ω pre- emphasis 0/50/75 μs Input level adjustable from -12dBu up to +12dBu Clipper Δf: ON/OFF
AES/EBU Input:	Impedance 110 ohm Sensitivity from 0dBFs up to – 24dBFs
RDS Input:	Optional dynamic RDS encoder

STEREO OUTPUT SPECIFICATIONS with L/R and MPX INPUT
Amplitude/frequency:	< ± 0.15 dB (30 Hz – 15 KHz)
Total Harmonic Distortion +Noise:	0.03% @ 400Hz
AM Noise: (MPX Input)	≤ - 60dB ref. amplitude modulation 100% of the carrier
Synchronous AM: (MPX Input)	With f = 400 Hz and Δf ± 75 KHz ≤ - 50 dB ref. amplitude modulation 100% of the carrier.
S/N:	> 70 dB (f=400 Hz with Δf ± 75 kHz)
Linear Crosstalk: (L/R Input)	< - 55 dB (40 Hz - 15 kHz) (Measured with Δf ± 75 kHz)"

CONTROL AND MONITORING
Local:	Graphic display with push buttons
Remote:	SNMP / WEB pages/ TLS-TLC *GSM/UMTS/GPRS as option

GENERAL SPECIFICATIONS
Mechanical dimensions:	W x H x D: 483 mm x 45 mm (1RU) x 500 mm
Weight:	8 kg
Power Supply	90-264 VAC with manual switch
Efficiency	> 75%

Environmental conditions
Max altitude	4000 m a.s.l.
Working temperature range	-5 ÷ 45°C
Max relative humidity	95% @ 35°C non condensing

Features and specifications subject to change without notice