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Features
1.Provided with intelligent and modular power amplifier and import power amplifier with high gain and high linearity LDMOS tube.2.Designed with low power consumption and super linearity which greatly increases the transmitting power of the transmitter and reduces the non-linear distortion products.3.With AGC function for ensuring the stability and reliability of the product.4.Alarming and signal monitoring function via LED indication.5.Switching voltage stabilizer with broad stabilizing range and high efficiency.6.One-to-one allocation of amplifier and switching power supply, high efficiency and low connection loss.7.With function of multiple lightening protection.8.Capable of automatically working for 24 hours.9.Aluminum shell with modular structure. 10.Elegant appearance.
Specifications
| Basic parameter | TV system standard | DTMB-T/DVB-T |
| Modulation mode | QAM4/16/32/64 | |
| Working frequency | 470MHz-566MHz/ 606MHz-806MHz | |
| Rated output power | 1W, 5W, 10W, 20W, 30W, 50W, 100W, 200W | |
| Output characteristic impedance | 50Ω | |
| Output power variation | ±0.25dB | |
| In band stray | ≤-60dBc | |
| Out-of-band suppression | ≥65dBc | |
| Frequency response | ±0.5dB | |
| Modulation error ration (MER) | ≥32dB | |
| Inter-band ratio | ≥36dB@central frequency IF±4.2MHz | |
| Output reflection loss | ≥20dB | |
| Output interface | N type |
| Environmental condition | Working temperature | -20°C~+50°C |
| Storage temperature | -30°C~+75°C | |
| Relative humidity | <95% | |
| Atmosphere | 86-106KPa | |
| Power supply | AC 220±10%/50Hz | |
| Size | depended on the rated power |
outdoor 300w digital tv transmitter