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AM RF Power Amplifier 531-1250kHz


RF Power Amplifiers - These channelised repeaters may be used for providing coverage enhancement in poor signal areas for AM Broadcast transmissions. The AMC516 series consists of a multi-channel RF Head-End and RF output power amplifier(s) that can provide transmission through antenna, catenary wire or radiating cable signal distribution systems.

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AM RF Power Amplifier Front View

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  • AM RF Power Amplifier Front View
  • AM RF Power Amplifier Back View
PA516A Features:

The AMC516 series can be used to receive AM Broadcast signals off-air, and re-generate and amplify them to fixed RF output levels.

Two pairs of RF outputs are provided for multi-bore and multizone applications (such as two separate "bores" in a road tunnel). An "audio break-in" feature enables live or pre-recorded messages to interrupt the rebroadcast transmissions, allowing for public address or incident management messages to be broadcast. The audio break-in can be activated independently, allowing local audio to be actioned onto either, or both, of the RF output pairs.

A dual input antenna capability allows for two off-air antenna configurations. If utilised, this feature provides the capability to select optimum input signal strengths determined by AM broadcast source direction, topography, off-air antenna mounting location, etc.

Both the RF Output and Audio Input level gains can be configured on a per-channel basis to cater for specific level setting within a system application. Local RS232 port is provided for firmware upgrading, configuration, alarms and status monitoring.

• Frequency range 531-1710 kHz
• Front panel LED display
• Dual antenna inputs for improved reception
• Independent audio break-in
• Local RS232 configuration
• Alarm output
• Industry-leading compact size
Frequency Range 531-1250 kHz (inclusive)
RF Outputs 1
RF Output Level As determined by number of carriers and allowable spurious content of design i.e. +30 dBm per carrier for 6 carriers @ -40 dBc spurious (output level independently adjustable for each carrier)
RF Gain 50 - 62 dB (typ) - adjustable in 1 dB steps
Indicators 4 front panel LEDs (Power, Active, VSWR, Alarm)
RF Channel Spacing 9 kHz
RF Connectors N-type (female) on all ports
Alarms Two Alarm Outputs - N.O. or N.C dry relay contacts on each Alarm States (Minor & Major Alarms): Power Supply OK - Temperature OK - VSWR OK
Alarm Connector DB9 (male)
RS232 Port DB9 (female)
Power Supply 240 VAC ±10% IEC Socket EMC filtered
Case Size 2RU 19” rack mounting
Cooling Forced Air
External Controls Mute Interlock Mute Control VSWR Reset
Control Port Connector DB9 (male)
RF Inputs 1

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