Mirage BD-35 Manual

Mirage BD-35 Manual

Dual band power amplifier

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MIRAGE BD-35
DUAL BAND POWER AMPLIFIER

INTRODUCTION:

The Mirage BD-35 is a 45/35 watt dual band power amplifier for use with
today's dual band handie talkies operating in the 144/440MHz bands. We
have succeeded in the development of a cross-band full duplex function and
have incorporated it into this design.
amplifier unit employs the new "two band / one RF power transistor"
technique. The BD-35 is a remarkable and useful dual band power amplifier
for the discriminating Amateur Radio operator.

FEATURES:

High output power
Up to 45 watts at 144MHz or up to 35 watts at 440MHz. 30 to 35
watts is achieved with 2 to 6 watts input.
Input power from 0.3 to 7 watts
With an input power of 7 watts maximum, the Mirage is compatible
with most modern hand-held tranceivers.
Small size
This amplifier's size makes it the perfect companion for field operation
without the added weight.
Automatic Frequency selection and control circuit
This allows the amplifier to have only one input connector and makes
for a perfect match for today's dual band radios and dual band
antennas.
Reverse DC power polarity protection circuit
Protects the amplifier from accidental reversing of the power leads.
"ON-AIR" indicator
Lets you know that you are transmitting.
MIRAGE BD-35 Dual Band Amplifier
The compact design of the power
1

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Summary of Contents for Mirage BD-35

  • Page 1 DUAL BAND POWER AMPLIFIER INTRODUCTION: The Mirage BD-35 is a 45/35 watt dual band power amplifier for use with today's dual band handie talkies operating in the 144/440MHz bands. We have succeeded in the development of a cross-band full duplex function and have incorporated it into this design.
  • Page 2 MIRAGE BD-35 Dual Band Amplifier SPECIFICATIONS: FREQUENCY: 144 TO 148MHz / 430 TO 450MHz RF INPUT: 0.3 - 7 watts RF OUTPUT: Up to 35 watts at 440MHz and up to 45 watts at 144MHz DUTY CYCLE: INTERMITTENT (ICAS) MODES:...
  • Page 3 MIRAGE BD-35 Dual Band Amplifier INSTALLATION AND OPERATION: The Mirage BD-35 may be mounted using the bracket 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 heat-sink to any surrounding enclosure and an unobstructed flow from the front to the back of the heat sink.
  • Page 4 MIRAGE BD-35 Dual Band Amplifier A typical connection of this amplifier with duplex type dual band tranceiver and a dual band antenna is shown in Figure 1. If connection of this amplifier is made with either two tranceivers or two antennas, please refer to Figures...
  • Page 5 (once again, by the illuminated LED) and SWR. TROUBLESHOOTING: The Mirage BD-35 is designed for long, trouble-free performance and should not require extensive troubleshooting in the field. If difficulty is encountered, check the following before assuming the amplifier has a malfunction:...
  • Page 6 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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