DMM806 Agile Video Demodulator
The Drake DMM806 Video Demodulator is a professional quality agile television demodulator that provides an audio and video output from any VHF, UHF, or CATV channels (54 - 806 MHz). The standard single rack-unit design permits convenient pairing with a Drake Professional Video Modulator to perform off-air or CATV channel processing.
- Low cost NTSC demodulator
- Synthesized reception of off-air TV channels 2 through 69, and CATV channels 2 through 125; selection set by a front panel pushwheel switch.
- Fixed 1.0 Vp-p NTSC standard negative sync video output, adjustable audio output level.
- Defeatable de-emphasis for passing stereo and SAP signals to a Drake modulator.
- Wide range AGC.
- Low distortion synchronous detection.
Download the owners manual (PDF)
| DMM806 Technical Specifications | |
|---|---|
| RF | |
| Input Frequency Range: | 54 through 806 MHz, Off-Air channels 2 through 69, CATV channels 2 through 125. |
| Input Level: | -10 to +35 dBmV |
| Noise Figure: | VHF: 8 dB UHF: 10 dB |
| Image Rejection: | VHF: 65 dB UHF: 50 dB |
| Input Impedance: | 75 Ohms |
| Video | |
| Output Level: | 1.0 Vp-p nominal, NTSC standard negative sync |
| Output Impedance: | 75 Ohms |
| Differential Gain: | Less than 5% |
| Differential Phase: | Less than 5 degrees |
| L/C Delay: | 125 nanoseconds nominal |
| Audio | |
| Output Level: | 300 mV rms ± 10 dB, adjustable with front panel control |
| Output Impedance: | Less than 500 Ohms, unbalanced |
| General | |
| DC Power Requirements: | +12 VDC @ 120 mA, +5 VDC @ 100 mA |
| Operating Temperature: | 0° to 50° Celsius (32° to 122° Fahrenheit), ambient. |
| Dimensions: | 3.5 inches (89 mm) Height x 1 inch (25 mm) Width x 7.5 inches ( 191 mm) Depth |
| Weight: | 12 ounces (0.43 Kg.) |
Specifications, price, and availability are subject to change without notice or obligation.
Drake Digital Solutions
Take control of your digital strategy with digital solutions from Drake. Our solutions help rural operators offer channel line-ups comparable to those found in larger urban markets.
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