11-99-0000 UHF 25W Power Amplifier

  • Operating over a frequency range of 400-440MHz and 450-500MHz, the Salcom 11-99 Power Amplifier provides up to 25 Watts of power from a 4 Watt input.

    The 11-99 covers the full switching bandwidth without retuning with 20 Watts minimum output.

    The power sense operates with a minimum of 1 Watt input and switches both the power and aerial relays. It will operate satisfactorily with as little as 1 Watt input power, where it will give approximately 10 Watts out.

    A 2dB 50Ω input matching pad allows for connection to a wide range of driving devices without the risk of instability.

    In the receive mode, the 11-99 will pass a receive signal with less than 2dB attenuation. The high pass filter is in circuit in the receive mode.

    The three stage aerial filter attenuates spurious emissions to less than -30dBm. The 11-99 is protected against accidental power connection reversal.

    The green LED operates at all times with the power connected, and the red transmit LED operates only when the 11-99 is switched to the transmit mode.

  • Frequency Bands 400-440MHz, 450-500MHz
    Power Output 25 Watt typical, 4 Watt input
    Power Requirements 4 Amps typical
    5 Amps max @ 25W output (13.8V)
    Power Indication Power connected – green LED, PTT activated – red LED
    Duty Cycle 50% @ 25W power output (13.8V)
    Stability 2dB 50Ω input pad
    Relay switched supply current on PTT command
    Switching bandwidth ±5MHz, 20 Watts minimum with 4 Watts input
    Power Input 1 Watts minimum
    Transmit enable Power sense circuit operates relay (1 Watt min)
    Receive Mode
    Spurious Outputs -30dBm max
    Case Dimensions 140mm x 105mm x 33 mm
    Reduced Power Operation
    Power Input 0.4 Watts minimum for 10 Watt output typically
    Transmit enable Ground PTT, 3mA source
    Connections
    RF BNC input and output
    Power and PTT 2 x 2 way plug and socket, screw connrections (supplied)

  • Product Brochure 11-99 Product Brochure
    User Manual 11-99 Product Manual
    Configuration Tool N/A

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