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Drake Distribution Amplifier (DA7543)
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The R.L. DRAKE models DA100042, DA100032, DA8642, DA8632, DA7543, and DA7533, are broadband distribution amplifiers designed for indoor use in both residential and commercial buildings where RF signal distribution in the frequency range of 49 to 1000 MHz is required. Each model provides a very low distortion signal for a cable TV “drop”, the output of an SMATV headend, or a small CATV headend. The amps are suitable for both analog and digital - ATSC or QAM, amplification. The Gain and
Slope controls both have a range of 10 dB minimum and operate between the preamp hybrid and the output hybrid to maintain a low noise figure over a wide range of gain and slope settings. Double-sided, plated through hole, glass epoxy, printed circuit boards, and SMT are used for low losses and maximum reliability.
- No return path
- Passive return path with variable 10 dB attenuator.
- Built in active return path.
All models include a 20 dB gain integrated active return path amplifier, and can provide a nominal unity gain passive return or no return path by selection with internal jumpers. Input and output test connectors are provided for convenient monitoring of the signal path. The amplifier circuitry is designed for maximum stability, low distortion, low noise figure, and is protected in a rugged aluminum
The unit operates from a nominal 26 VAC provided by the supplied 120 VAC, 60 Hz input AC Adapter.
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