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Drake Digital Distribution Amplifier (DA100042)

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Drake Digital Distribution Amplifier (DA100042)

Brand: Drake           P\N: DA100042          

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Availability: Discontinued

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Description


Drake The R.L. Drake model DA7533, DA7543, DA8632, DA8642, DA100032, and DA100042 broadband distribution amplifiers are designed for indoor use in both residential and commercial buildings where RF signal distribution in the frequency range of 49 to 750 MHz, 49 to 860 MHz, or 49 to 1000MHz is required. Each model incorporates a push-pull hybrid input preamp and a power doubled hybrid output amplifier to provide a very low distortion signal for a cable television “drop”, the output of an SMATV headend, or a small CATV headend. 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 construction are used for low losses and maximum reliability.

Features


  • The unit features three user selectable return path choices (internal jumper selectable):
    - No return path.
    - Passive return path with variable 10 dB attenuator.
    - Built in active return path.

  • 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 housing.

  • The unit operates from a nominal 26 VAC provided by the supplied 120 VAC, 60 Hz input AC Adapter.

Specs


Technical Data And Specifications

Common to all Models:
Forward Gain Adjustment Range: 10 dB minimum
Slope Control Adjustment (54 MHz): 10 dB minimum
Input/Output Impedances: 75 Ohms
Input and Output Monitor Ports: - 30 dB
Fixed Input Attenuator: Plug-in (SXP-type) available
Fixed Input Equalizer: Plug-in (QSA type) available
Hum Modulation: - 70 dB
Frequency Coverage (return path): 5 to 36 MHz
Active Return Path Gain: 20 dB minimum
Return Path Input Attenuator: 0 to 10 dB adjustable
RF Shielding: Leakage complies with FCC Part 76
Power Requirements: 26 VAC from supplied transformer with 6 foot amp-to-transformer cable.
Operating Temperature Range: - 20° to + 60° Celcius
Power Transformer: Supplied transformer has 120 VAC/60 Hz ± 10% input requirement at 35 W. Output is 26.3 VAC with screw terminals for attaching power cable from amplifier.Supplied 120 VAC 3-wire cord is 6 feet long
Size: 10.25" L X 7.25" W X 2.75" D (26 cm L X 18.4 cm W X 7 cm D
Weight: 9 lb
Specifications for Model DA7533: 1002705
Frequency Coverage: (Fwd. Path) 49 to 750 MHz
Forward Gain: 33 dB
Noise Figure: 7 dB maximum
Return Loss, Input and Output: 14 dB
Channel Loading: 110 Ch.
Output Level (maximum per channel for distortions listed below): + 44 dBmV
Input Level (maximum without using fixed input attenuator): + 18 dBmV
Optimum Input Level Range: + 10 dBmV to + 15 dBmV
Nonlinear Distortions:
Composite Triple Beat: - 58 dB
Composite Second Order: - 58 dB
Cross-Modulation: - 62 dB
Specifications for Model DA7543: 1002706
Frequency Coverage: (Fwd. Path) 49 to 750 MHz
Forward Gain: 43 dB
Noise Figure: 6.5 dB maximum
Return Loss, Input and Output: 14 dB
Channel Loading: 110 Ch.
Output Level (maximum per channel for distortions listed below): + 44 dBmV
Input Level (maximum without using fixed input attenuator): + 10 dBmV
Optimum Input Level Range: + 0 dBmV to + 5 dBmV
Nonlinear Distortions:
Composite Triple Beat: - 58 dB
Composite Second Order: - 58 dB
Cross-Modulation: - 62 dB
Specifications for Model DA8632: 1002707
Frequency Coverage: (Fwd. Path) 49 to 860 MHz
Forward Gain: 32 dB
Noise Figure: 7.5 dB maximum
Return Loss, Input and Output: 12 dB
Channel Loading: 129 Ch.
Output Level (maximum per channel for distortions listed below): + 40 dBmV
Input Level (maximum without using fixed input attenuator): + 16 dBmV
Optimum Input Level Range: + 7 dBmV to + 12 dBmV
Nonlinear Distortions:
Composite Triple Beat: - 60 dB
Composite Second Order: - 58 dB
Cross-Modulation: - 64 dB
Specifications for Model DA8642: 1002709
Frequency Coverage: (Fwd. Path) 49 to 860 MHz
Forward Gain: 42 dB
Noise Figure: 7 dB maximum
Return Loss, Input and Output: 12 dB
Channel Loading: 129 Ch.
Output Level (maximum per channel for distortions listed below): + 40 dBmV
Input Level (maximum without using fixed input attenuator): + 7 dBmV
Optimum Input Level Range: - 2 dBmV to + 12 dBmV
Nonlinear Distortions:
Composite Triple Beat: - 60 dB
Composite Second Order: - 58 dB
Cross-Modulation: - 64 dB
Specifications for Model DA100032: 1002520
Frequency Coverage: (Fwd. Path) 49 to 1000 MHz
Forward Gain: 32 dB
Noise Figure: 8 dB maximum
Return Loss, Input and Output: 12 dB
Channel Loading: 150 Ch.
Output Level (maximum per channel for distortions listed below): + 38 dBmV
Input Level (maximum without using fixed input attenuator): + 12 dBmV
Optimum Input Level Range: + 6 dBmV to + 5 dBmV
Nonlinear Distortions:
Composite Triple Beat: - 62 dB
Composite Second Order: - 60 dB
Cross-Modulation: - 66 dB
Specifications for Model DA100042: 1002521
Frequency Coverage: (Fwd. Path) 49 to 1000 MHz
Forward Gain: 42 dB
Noise Figure: 7 dB maximum
Return Loss, Input and Output: 12 dB
Channel Loading: 150 Ch.
Output Level (maximum per channel for distortions listed below): + 38 dBmV
Input Level (maximum without using fixed input attenuator): + 7 dBmV
Optimum Input Level Range: - 2 dBmV to + 5 dBmV
Nonlinear Distortions:
Composite Triple Beat: - 62 dB
Composite Second Order: - 60 dB
Cross-Modulation: - 66 dB


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