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Blonder-Tongue HDA-8-860-20
8 Port 860 MHz Headend Distribution Amplifier and Combiner

OUR PART #:  HDA-8-860-20

The Blonder-Tongue HDA-8-860-20 [Mfr. stock# 6240 8] is a 47 to 860 MHz range Headend Distribution amplifier and 8-port Equalized Combiner with 20 db Total Gain.
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Our Price: $961.79
List Price: $969.55
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The Blonder-Tongue HDA-8-860-20 [Mfr. stock# 6240 8] is a 47 to 860 MHz range Headend Distribution amplifier and 8-port Equalized Combiner with 20 db Total Gain.

Blonder-Tongue HDA Series
The HDA Series of 19” rack mount headend distribution amplifiers are completely self-contained broadband devices specifically designed for the distribution of digital and analog CATV signals in the frequency range from 47 to 860 MHz. It integrates the abilities of a passive combiner and a distribution amplifier into a single high performance unit. The state-of-the-art hybrid power doubling amplifier modules enable the unit to operate at high output levels while maintaining low distortion characteristics.  A -30 dB low-level back matched test port is externally accessible enabling easy in-service testing and adjustment. The chassis design affords excellent heat dissipation allowing operation at high ambient temperatures without sacrificing reliability. Custom with built-in standby power supply with automatic switching capabilities.

Blonder-Tongue HDA-8-860-20 Features:

  • Fully integrated digital and analog combiner and distribution amplifier.
  • Front panel accessible gain and slope controls
  • Combiner attenuator for adjustment control of digital signals
  • State-of-the-art hybrid IC circuitry for high output with low distortion
  • Can be used as a combiner and amplifier, or amplifier and splitter

Blonder-Tongue HDA-8-860-20 Specifications:

Input

  • Connectors:  “F” Female
  • Impedance:  75 Ohm
  • Return Loss:  14 dB
  • Frequency Range:  47-860 MHz
  • Isolation:
    • 30 dB (adj. input ports 1-4 or 5-8 or 9-12 or 13-16)
    • 45 dB (alternate input ports 1-4 & 5-8 & 9-12 &13-16)

Output

  • Gain:  22 dB
  • Output Level:  38/44 dBmV
  • Connector:  “F” Female
  • Impedance:  75 O
  • Frequency:  47-860 MHz
  • Flatness:  +/- 1.0 dB
  • Gain Control:  15 dB
  • Slope Control:  10 dB
  • Output Return Loss:  14 dB
  • Noise Figure:  7 dB
  • Channel Loading:  78
  • Composite Triple Beat (CTB):  -68 dB
  • Cross Modulation (XMOD):  -68 dB
  • Composite 2nd Order (CSO):  -65 dB
  • Hum Modulation:  -65 dB

General

  • Dimensions (W x D x H):  19” W x 1.75” H x 10.75”D (483 mm x 45 mm x 274 mm)
  • Power:  105-130 VAC 60 Hz
  • Power Dissipation:  23.5 W
  • Weight:  8 lbs. (3.69 kg)
  • Operating Temperature:  32 to 122 °F (0 to 50 °C)
  • Storage Temperature:  -13 to 158 °F (-25 to 70°C)
  • Operating Humidity:  0 to 95% RH @ 35 °C max, non-condensation
  • Storage Humidity:  0 to 95% RH @ 35 °C max, non-condensation

Alarms/Monitoring/Control

  • Monitoring / Indicators:
    • Main Power Supply:  LED
    • Stand-by Power Supply:  LED
    • In/Out Test Point:  -30 dB
  • Controls:
    • Amplifier Gain:  Potentiometer
    • Amplifier Slope:  Potentiometer
    • Combiner Attenuator:  Potentiometer

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