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Amplifiers

TERRA Terminal line amplifiers, series DA126, DA127, DA136, DA137

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Manufacturer:
Type of amplifier:

Оконечные линейные усилители TERRA серии DA126, DA127, DA136, DA137

GaAs two-cycle output stage; changeable backward channel band owing to built in diplexer modules; built in inverted line equalizer; built in interstage modules of attenuator and  line equalizer which improve amplifier technical specifications; damp-proof  shielded molded case; static power supply unit; distant feed supply through Input HF-port; protection against voltage surge at inputs and outputs.

Advantages:

  • GaAs two-cycle output stage;
  • Changeable backward channel band owing to built in diplexer modules;
  • Built in inverted line equalizer;
  • Built in interstage modules of attenuator and line equalizer which improve amplifier technical specifications;
  • Damp-proof  shielded molded case;
  • Static power supply unit;
  • Distant feed supply through Input HF-port;
  • Protection against voltage surge at inputs and outputs.

You can familiarize yourself with the list of inserts in TERRA Terminal line amplifiers, series DA126, DA127, DA136, DA137 and their technical specifications here.

Technical specifications:

Type

DA12x

DA12xP

DA13x

DA13xP

Frequency range*

47 / 75 / 87 - 862 MHz

Backward channel*

5-30 / 55 / 65 MHz

Input and output impedance

75 Ω

Effective gain, 20 °C

36 dB

Amplitude-frequency characteristic unevenness

±0.75 dB

Reflectance factor at the input and output

18 dB/40 MHz - 1.5 dB/octave

Input attenuator

0 - 18 dB

Input line equalizer

0 - 18 dB

Inverted line equalizer

0 - 9 dB with an  interval 1 dB

Noise figure

max. 6 dB

Output level IMD3=60 dB (DIN45004B)

122 dBµV

127 dBµV

Output level IMD2=60 dB (EN50083-3)

118 dBµV

122 dBµV

Output level (CTB, EN50083-3)**

108 dBµV (42 channels)

111 dBµV (42 channels)

Output level (CSO, EN50083-3)**

110 dBµV (42 channels)

112 dBµV (42 channels)

Output level (XMOD, EN50083-3)**

108 dBµV (42 channels)

111 dBµV (42 channels)

Source voltage, 50 Hz

24 ÷ 65 V

187 ÷ 250 V

24 ÷ 65 V

187 ÷ 250 V

Wattage, max.

12.5 W

11 W

15.5 W

13.5 W

Current consumption

24 V AC

0.77 A

-

0.94 A

-

42 V AC

0.49 A

-

0.59 A

-

65 V AC

0.36 A

-

0.43 A

-

Attenuation coefficient at the test terminal at the input (non directional)

-20 ± 2.0 dB

Attenuation coefficient at the test terminal at the output (directional)

-20 ± 0.5 dB

Input connection type ***

PG11 or F

Output connection type ***

F

Test terminal connection type

F

Shielded factor

>80 dB

Case protection rating

IP64

Operating temperature range

-20 °C ÷ +50 °C

Dimensions

180 × 132 × 76 mm (case); 213 × 132 × 76 mm (adjustment dimensions)

Weight (packed)

1.6 kg

1.7 kg

1.6 kg

1.7 kg

* - frequency range depends on built in diplexer.
** - output level (CTB, CSO, XMOD) is measured with an interstage line equalizer 6 dB.
*** - the amplifier is available with input contact sockets PG11 or F-connector.

TERRA terminal line amplifiers classification, series DA12x, DA13x:

TERRA Terminal line amplifiers, series DA126, DA127, DA136, DA137:

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TERRA Terminal line amplifiers DA1x6x block-diagram:

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TERRA Terminal line amplifiers DA1x7x block-diagram:

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