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4-input Antenna Amplifier CA-312 (built-in power supply, ALCAD 904 series)
Code: R904039
Withdrawn from the offer
Antenna UHF Preamplifier AA-101 ALCAD
Antenna UHF Preamplifier AA-101 ALCAD
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Application
The CA-312 amplifier is used to amplify and distribute TV and FM radio signals. It is a brand-name device designed for the use in small and medium size community installations. The CA-312 is equipped with four band inputs and two outputs. This model fills up the gap among CA-210, CA-215, AI-200 and CF-512 amplifiers.

The amplifier is fed from its internal stabilized power supply, which is powered directly from the mains. It is not designed for the use in open spaces. It cannot be installed in wet conditions or near heaters and similar equipment. The unit requires natural ventilation, so it must not be covered by any objects. It ought not to be connected to the mains until all connections within an antenna installation have been properly made. The amplifier has the option of feeding preamplifiers with 24 V voltage, and maximum current of 50 mA through the UHF input. Preamplifier's feeding is switched on automatically as soon as the preamp is detected. The unused main output must be closed with a 75 ohm resistor, such as R66200.
The unused main output must be closed with a 75 ohm resistor, such as R66200.
Specifications
Name

CA-312

Code

R904039

Inputs/outputs 

4/2

Frequency rangeband

UHF1

UHF2

VHF

BI/FM

 MHz

470-862

470-862

160-260

40-108

GaindB

30 +/-1

30 +/-1

20 +/-1

20 +/-1

Gain adjustmentdB

16

16

20

20

Output leveldB

2x110 DIN45004B
2x107 IMD3 -60dB 2*100 IMD2 -60dB

Noise figuredB

5.5 +/-1.5

6.5 +/-1.5

SeparationdB

>13 (between inputs)

AC powerV

230 +/-10%, 50/60Hz

VA

7

Working temperature°C

-10 to +65

Case protection index 

IP 20

Preamp. feedingV/mA

24/50

-

-

Output level reduction (according to DIN 45004B)

channel number

2

3

4

5

6

7

8

9

10

11

12

output level [dBuV]

115

113

111

110

110

109

109

108

108

107

107

Withdrawn from the offer
 
4-input Antenna Amplifier CA-312 (built-in power supply, ALCAD 904 series)
Code: R904039