Digital AM Transmitters
X.DA Series — from 3 kW to 50 kW
General features
- ✓ Efficiency > 85% (HEXFET transistors)
- ✓ PWM modulation — 20–15,000 Hz response, THD < 1%
- ✓ Up to 150% positive peak modulation (analog mode)
- ✓ Hybrid IBOC operation up to 125% modulation
- ✓ Digital protections: VSWR, RF overcurrent, overtemperature, overvoltage
- ✓ AC line transient protection (MOV + input inductors)
- ✓ HD Radio® (IBOC) and DRM compatible
- ✓ 100% web remote control: command and monitor from anywhere via control.cecchile.com
AM Transmission Accessories
Complementary equipment for medium wave antenna systems
Remote Control System CR-1500
Complete remote command and monitoring solution for up to two Continental Lensa transmitters, supports models K5-K6-DA-XDA. 100% web software — no installation required: control and monitor your station from anywhere in the world via PC, laptop or smartphone. Accessible at control.cecchile.com. Commands power on/off, output levels and the antenna switch. Scheduled time-based power control, event log and user management. LAN/Ethernet connection; GPRS option for sites without wired network. Surge protection. Compatible with other-brand transmitters via interface card.
Access system →AM Duplexer
On request
Enables simultaneous AM transmission from two stations using a single antenna system. Comprises two Antenna Tuning Units and two rejection filter sets with independent magnetic and mechanical isolation. Anodized aluminum NEMA 4X cabinet (dust-proof, rain-proof, ice-resistant, corrosion-resistant). The high-power model (2×25 kW) uses imported vacuum capacitors. Reference installations: Radio Corporación, Cadena Caracol Colombia (3 units), BBN / Radio Caupolicán.
Photo gallery
Harmonic Filters
On requestLow-pass and harmonic rejection filters for AM transmitters. Reduce spurious frequency emissions in compliance with current broadcasting regulations. Designed and manufactured by Continental Lensa for the medium wave band.
Power Module
Spare power modules for the X.DA series. Manufactured by Continental Lensa, enabling modular transmitter maintenance and reducing off-air time. Available for all models in the series.
Intelligent Combiner
Microprocessor-controlled combiner for the medium wave band (530–1705 kHz). Nominal input power: 1–50 kW per port. Combined output: 2–100 kW.
Power Transformer
Power transformers designed and manufactured for X.DA series AM transmitters. Available in various input voltage configurations (220 V / 380 V) according to installation requirements.
Antenna Tuning Unit (ATU)
Designed for the medium wave band (530–1705 kHz). Available in sealed-box or open-panel configuration. Broadens antenna passband for HD Radio and IBOC digital operation.
Transmitter Switch
Automatically switches between two transmitters and a single antenna system. Models CMT-5/5 (5 kW), CMT-10/10 (10 kW) and CMT-25/25 (25 kW). Single-phase 220 V 50/60 Hz supply.