Apr 5, 2004 - power and drain current increase as the gate voltage increases. With a gate voltage around 2.5V (minimum), output power and drain current ...
400-470MHz 7.5W 9.6V, 2 Stage Amp. For PORTABLE RADIO
DESCRIPTION The RA07N4047M is a 7.5-watt RF MOSFET Amplifier Module for 9.6-volt portable radios that operate in the 400- to 470-MHz range. The battery can be connected directly to the drain of the enhancement-mode MOSFET transistors. Without the gate voltage (VGG=0V), only a small leakage current flows into the drain and the RF input signal attenuates up to 60 dB. The output power and drain current increase as the gate voltage increases. With a gate voltage around 2.5V (minimum), output power and drain current increases substantially. The nominal output power becomes available at 3V (typical) and 3.5V (maximum). At VGG=3.5V, the typical gate current is 1 mA. This module is designed for non-linear FM modulation, but may also be used for linear modulation by setting the drain quiescent current with the gate voltage and controlling the output power with the input power. FEATURES • Enhancement-Mode MOSFET Transistors (IDD≅0 @ VDD=9.6V, VGG=0V) • Pout>7.5W @ VDD=9.6V, VGG=3.5V, Pin=20mW
BLOCK DIAGRAM 2
3
1
4 5
1
RF Input (Pin)
2
Gate Voltage (VGG), Power Control
3
Drain Voltage (VDD), Battery
4
RF Output (Pout)
5
RF Ground (Case)
PACKAGE CODE: H46S
• ηT>43% @ Pout=7W (VGG control), VDD=9.6V, Pin=20mW • Broadband Frequency Range: 400-470MHz • Low-Power Control Current IGG=1mA (typ) at VGG=3.5V • Module Size: 30 x 10 x 5.4 mm • Linear operation is possible by setting the quiescent drain current with the gate voltage and controlling the output power with the input power
ORDERING INFORMATION: ORDER NUMBER
SUPPLY FORM
RA07N4047M-01
Antistatic tray, 25 modules/tray
RA07N4047M
MITSUBISHI ELECTRIC 1/9
5 April 2004
ELECTROSTATIC SENSITIVE DEVICE
MITSUBISHI RF POWER MODULE
RA07N4047M
OBSERVE HANDLING PRECAUTIONS
MAXIMUM RATINGS (Tcase=+25°C, unless otherwise specified) SYMBOL PARAMETER
Apr 5, 2004 - power and drain current increase as the gate voltage increases. With a gate ..... For mechanical protection, a plastic .... North Point, Hong Kong.
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Apr 5, 2004 - (i) placement of substitutive, auxiliary circuits, (ii) use of non-flammable material, or (iii) prevention against any malfunction or mishap.
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