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RA45H4045MR Datasheet(PDF) 8 Page - Mitsubishi Electric Semiconductor

Part # RA45H4045MR
Description  RoHS Compliance, 400-450MHz 45W 12.5V, 3 Stage Amp. For MOBILE RADIO
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Manufacturer  MITSUBISHI [Mitsubishi Electric Semiconductor]
Direct Link  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

RA45H4045MR Datasheet(HTML) 8 Page - Mitsubishi Electric Semiconductor

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< Silicon RF Power Modules >
RA45H4045MR
RoHS Compliance, 400-450MHz 45W 12.5V, 3 Stage Amp. For MOBILE RADIO
Publication Date : Oct.2011
8
Oscillation:
To test RF characteristic this module is put on a fixture with 2 bias decoupling capacitors each on Gate and Drain, a
4.700pF chip capacitor, located close to the module, and a 22µF (or more) electrolytic capacitor.
When an amplifier circuit around this module shows oscillation following may be checked:
a) Do the bias decoupling capacitors have a low inductance pass to the case of the module ?
b) Is the load impedance ZL=50 ?
c) Is the source impedance ZG=50 ?
ATTENTION:
1.High Temperature ;
This product might have a heat generation while operation,Please take notice that have a
possibility to receive a burn to touch the operating product directly or touch the product until cold after switch off.
At the near the product,do not place the combustible material that have possibilities to arise the fire.
2.Generation of High Frequency Power ;
This product generate a high frequency power. Please take notice that
do not leakage the unnecessary electric wave and use this products without cause damage for human and
property per normal operation.
3.Before use;
Before use the product,Please design the equipment in consideration of the risk for human and
electric wave obstacle for equipment.
PRECAUTIONS FOR THE USE OF MITSUBISHI SILICON RF POWER DEVICES:
1. The specifications of mention are not guarantee values in this data sheet. Please confirm additional details
regarding operation of these products from the formal specification sheet.
For copies of the formal specification
sheets, please contact one of our sales offices.
2.RA series products (RF power amplifier modules) and RD series products (RF power transistors) are designed
for consumer mobile communication terminals and were not specifically designed for use in other applications.
In particular, while these products are highly reliable for their designed purpose, they are not manufactured
under a quality assurance testing protocol that is sufficient to guarantee the level of reliability typically deemed
necessary for critical communications elements and In the application, which is base station applications and
fixed station applications that operate with long term continuous transmission and a higher on-off frequency
during transmitting, please consider the derating, the redundancy system, appropriate setting of the maintain
period and others as needed. For the reliability report which is described about predicted operating life time of
Mitsubishi Silicon RF Products , please contact Mitsubishi Electric Corporation or an authorized Mitsubishi
Semiconductor product distributor.
3. RD series products use MOSFET semiconductor technology. They are sensitive to ESD voltage therefore
appropriate ESD precautions are required.
4. In the case of use in below than recommended frequency, there is possibility to occur that the device is
deteriorated or destroyed due to the RF-swing exceed the breakdown voltage.
5. In order to maximize reliability of the equipment, it is better to keep the devices temperature low.
It is
recommended to utilize a sufficient sized heat-sink in conjunction with other cooling methods as needed (fan,
etc.) to keep the channel temperature for RD series products lower than 120deg/C(in case of
Tchmax=150deg/C) ,140deg/C(in case of Tchmax=175deg/C) under standard conditions.
6. Do not use the device at the exceeded the maximum rating condition. In case of plastic molded devices, the
exceeded maximum rating condition may cause blowout, smoldering or catch fire of the molding resin due to
extreme short current flow between the drain and the source of the device. These results causes in fire or injury.
7. For specific precautions regarding assembly of these products into the equipment, please refer to the
supplementary items in the specification sheet.
8. Warranty for the product is void if the products protective cap (lid) is removed or if the product is modified in any
way from it’s original form.
9. For additional “Safety first” in your circuit design and notes regarding the materials, please refer the last page of
this data sheet.
10. Please refer to the additional precautions in the formal specification sheet.


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