Twin Modulator 7-8MHz Selectable Stereo
14MM-MT420C
Headend Equipment
Matchmaster has a full range of Headend equipment from entry level to complex systems, including engineering support and system designs. Matchmaster can offer simple Channel Filters with AGC through to complex DVB modules for any type of broadcast including Encoders, Modulators & Transmodulators for DVB-T, DVB-C, DVB-S/S2, IP, ASI, SDI, FM and many more.
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Features and Benefits
- Modulating analogue video/audio signals into VSB RF channel with mono or stereo A2 sound
- Frequency agile vestigial sideband TV modulators
- LED display and push buttons control of internal microprocessor
- RF output level and audio input level loop through RF combining low level harmonics and intermodulation products
- Built-in test pattern generator
Pack Quantity
Inner: 1 box of 1 piece
Helpful Tip: Bulk cartons prevent potential transit damage.
Specifications
| Number of Internal Channel Amplifiers | 2 |
|---|---|
| Video Input | RCA – Composite |
| Video Level/Impedance | 1V ± 0.1V/75 Ohm |
| Audio Input | Dual RCA |
| Audio Level/Impedance | 775mV / 10kOhm |
| Audio Level Adjustment | -6dB – 6dB (2dB steps) |
| TV Standard | B/G/D/K/Au stereo A2 |
| Output Frequency | 110-862MHz |
| Output Level | 90dBµV |
| Attenuation Available | 0 - 10dB in 1dB steps |
| Frequency Range of RF Combining | 47 – 2150MHz |
| Combining Through Loss Terr/Sat | 1.5/2.5dB |
| Return Loss | >10dB |
| A/V Ratio | 12/16dB |
| IMD2/IMD3 Spurious Level | < -60dB |
| Power Consumption | 12V 470mA |
| Operating Temperature | 0 - +50°C |
