Mini Modulador Ágil INNER MATCM-45
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The MATCM-45 is a microprocessor controlled rebroadcast quality, phase locked loop synthesized, frequency agile CATV/TV television modulator. The double conversion and superior SAW filtering provides adjacent channel compatibility and spurious free output. The MATCM-45 provides 45dB output level from 50 to 864MHz in-cluding CATV and TV frequencies. The channelization configuration can be changed by the up/down buttons located on the front panel.
Features
- Double heterodyne conversion.
- 45dBmV minimum @50-864MHz.
- Automatic band splitting filters for superior carrier to noise ratio.
- SAW filtered.
- Supports TV, CATV, frequency and lock function.
- FCC frequency offset with automatic setting.
- Pre-emphasis defeat switch accessible from side panel for the insertion of composite BTSC stereo signal.
SPECIFICATIONS
RF Output Channels: CATV Ch 2 ~ 135 – TV UHF Ch 14 – 69 Output Level: 45 dBmV min. with 10dB level control Output Impedance: 75 Ohms Output Frequency Stability: +/- 2KHz Audio/Video Ratio: -11 ~ -30 dB Spurious Level: -60 dBc C/N (In-Band): 60 dBc C/N (Out-Of-Band): > 60 dB Audio Input Level: 0.5 V p-p for 25 KHz peak deviation Input Impedance: 10K Ohms RCA jack Preemphasis: 75 microsecond Flatness: 1.5 dB (15 Hz to 15 KHz) Video Input Level: 0,8 V p-p minimum for 87.5% modulation Input Impedance: 75 Ohms, F connector. Frequency Response: ±1.2 dB, 30 Hz to 4.2 MHz Input Level Range: +0.7 Vpp ~ 1.4 Vpp Differential Gain: <5% Differential Phase: <5° Operating Temperature: 0 ° to 50 °C Power Input: 5 VDC @ 0.4A, 12 VDC @ 0.25A
