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C-211-G Instruction Manual
The Mirage C-211-G is the next generation of Power Amplifiers for 222 - 225 MHz.
New features make it the most useful and versatile amplifier available. Features include
automatic power shut-down circuitry for protection against high antenna VSWR, high
temperature and excessive R.F. power input. A newly designed GaAsFET receive pre-
amp provides high gain and low noise amplification for weak signal applications. The
pre-amp includes an attenuator to reduce signal output level. This is useful in preventing
Receiver Overload and subsequent Intermodulation Distortion caused by strong signals.
Provision is made for automatic or remote (external) keying, and for remote control of all
front panel functions using the Mirage RC-1 Remote Control Unit. The Mirage C-211-G
is capable of FM, SSB, and CW operational modes.
SPECIFICATIONS
Frequency Range ................................................................... 222 - 225 MHz
R.F. Input Power (Drive)....................................................... 250 mW to 5 Watts
R.F. Output Power................................................................. 110 Watts with 2 Watts drive
Duty Cycle............................................................................. Intermittent (ICAS)
Modes .................................................................................... FM, SSB, CW
Receive Pre-amp ................................................................... GaAsFET, Gain 21/15 dB-
VSWR Power Shutdown Point ............................................. 3:1 Approximately
R.F. Input Power Shutdown Point......................................... 5 Watts nominal
Temperature Power Shutdown Point..................................... 175 degrees F.
Keying ................................................................................... Automatic (R.F. sensing) or
Input/Output Impedance........................................................ 50 Ohms
R.F. Connectors..................................................................... SO-239 (UHF)
Remote keying connector ...................................................... RCA phono
Remote control connector ..................................................... 6 pin Molex
Supply Voltage ...................................................................... 13.8 VDC (for full R.F.
C-211-G
R.F. AMPLIFIER
1
R. F. Amplifier
Nominal. Noise figures less
than
0.6
dB.
compression
point
than
-13
dBm
(Nominal)
remote (external)
power output)
1
dB
greater
input
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Summary of Contents for Mirage C-211-G
- Page 1 C-211-G R.F. AMPLIFIER The Mirage C-211-G is the next generation of Power Amplifiers for 222 - 225 MHz. New features make it the most useful and versatile amplifier available. Features include automatic power shut-down circuitry for protection against high antenna VSWR, high temperature and excessive R.F.
- Page 2 Weight ................... 5 lbs. INSTALLATION The Mirage C-211-G may be mounted using the brackets supplied or simply placed in a convenient operating position. In either case, there must be adequate ventilation for the finned heat-sink. This generally means at least 1 inch clearance from the sink to any surrounding enclosure and an unobstructed flow from the front to the back of the sink.
- Page 3 TROUBLESHOOTING The Mirage C-211-G is designed for long, trouble-free performance and should not require extensive troubleshooting in the field. Many causes of common malfunctions are eliminated by the built-in protective circuitry. NOTE: In the event of automatic power shut-down, the amplifier must be turned off, and the cause of shut-down determined and removed.
- Page 4 If the manual does not reference your problem or your problem is not solved by reading the manual you may call MIRAGE at 601-323-8287. You will be best helped if you have your unit, manual and all information on your station handy so you can answer any questions the technicians may ask.
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