11-99-0000 UHF Power Amplifier
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11-99-0000 UHF 25W Power Amplifier

Power amplifier that operates over the frequency ranges 400-440MHz and 450-500MHz. With 4-5 watts input it will deliver 25 Watts of output power.
Description

Description

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.

Specifications

Technical Specification

11-99-0000 UHF 25W Power Amplifier
Frequency Range 400-440MHz - UHF (Model No. 11-99-1000)
450-500MHz - UHF (Model No. 11-99-2000)
Frequency Selection Factory preset
Power Supply +13.8V typical (11 to 15 VDC range)
Power Consumption Standby: 4mA
Normal Operation: 4.5A
Maximum: 6A @ 25W output
Transmit Power 25W @ 4W input; 18W @ 2W Input; 10W @ 1W Input approx
Transmit Duty Cycle 50% @ 25 Watts; Maximum 1 minutes on time
Switching Bandwidth 50MHz, 20 Watts minimum with 4 Watts input
Transmit Enable Power sense circuit operates relay (1W min)
Receive Mode  
Power Connector 2-way plug & socket, screw connections (supplied)
RF Connector 50Ω BNC (both Input and Output)
Environmental Protection Not suitable for outdoor use and should be protected from adverse environmental conditions
Operating Temperature -10ºC to +60ºC (+14ºF to +140ºF)
Indicators

Power LED (Green)

   - Solid On = Normal Operation
Status LED (Red)

   - Solid On = Active Signal Present
Weight 400g
Enclosure Dimensions 100mm x 130mm x 30mm (WxDxH)
Enclosure Material Extruded aluminium
Colour Matt black
Type Approvals AS 4295: 1995 (RF)

Downloads

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

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