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RPA-2 RX modular 16 db frequency 16 db 300 kHz to 35 MHz

RPA-2 RX modular 16 db frequency 16 db 300 kHz to 35 MHz
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RPA-2 RX modular 16 db frequency 16 db 300 kHz to 35 MHz
  • Product: Available
  • Brand: DX Engineering
  • Model: 26010
  • SKU: 976
  • EAN: 7438641849116
186.00€

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The RPA-2 is a low-noise modular reception preamp for medium and short waves. This preamp helps you hear even the weakest signals without unnecessarily increasing noise. It is used for any type of receiving antenna, whether it's long flush antennas, drinks, loops, broadband dipolis and many more.

The RPA-2 amplifies the received signal by about 16 dB, in the frequency range from 300 kHz to 35 MHz. A special "push/pull" amplifier design is used, which provides a superior dynamic range and excellent IMD3 value. At the same time, further distortion of the received signal is avoided.

An additional optional module can be installed in the RPA-2 receive preamp. There are two modules: the Receiver Guard 5000HD module, which protects the input from surges, and a transformer and an impedance converter from 75 to 50 Ohm.
The Receiver Guard module is useful when transmitting from the same location at a short distance. This protects the receiver's input against surges, even in the event of thunderstorms nearby. The 75-50 Ohm transformer module allows the use of low-cost, low-attenuation cables from 75 Ohm for receiver antennas, which are often installed at great distances.

The RPA-2 preamp runs from 12 to 18 V DC. Here you should choose a quality power voltage that is as clean as possible, preferably from a linear regulated power supply. The usual cheap switching power supplies quickly cancel out many of the preamp's advantages, such as its low noise. Power voltage is provided either through a separate connector (included in the supply) or via the coaxial cable. BNC and F connectors are deliberately chosen to avoid confusion with transmission signals (usually on PL or N connectors). The RPA-2 comes in a solid metal housing with screwed tabs. A comparable preamp is available as a graft module for the NCC-2.

Frequency range: 0.3 - 35 MHz
Gain: type 16 dB
Noise figure: 3.5 dB
Dynamic Range: >-110 dB (500 kHz BW)
Connection: BNC - F
Tension: 12 - 18 VDC
Current: 140 mA

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