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RA18H1213G Schematic ( PDF Datasheet ) - Mitsubishi Electric

Teilenummer RA18H1213G
Beschreibung 3 Stage Amp
Hersteller Mitsubishi Electric
Logo Mitsubishi Electric Logo 




Gesamt 9 Seiten
RA18H1213G Datasheet, Funktion
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
MITSUBISHI RF MOSFET MODULE
RA18H1213G
1.24-1.30GHz 18W 12.5V, 3 Stage Amp. For MOBILE RADIO
DESCRIPTION
The RA18H1213G is a 18-watt RF MOSFET Amplifier
Module for 12.5-volt mobile radios that operate in the 1.24- to
1.30-GHz 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 4V (minimum), output power and
drain current increases substantially. The nominal output power
becomes available at 4.5V (typical) and 5V (maximum). At
VGG=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
(IDD0 @ VDD=12.5V, VGG=0V)
• Pout>18W, ηT>20% @ VDD=12.5V, VGG=5V, Pin=200mW
• Broadband Frequency Range: 1.24-1.30GHz
• Low-Power Control Current IGG=1mA (typ) at VGG=5V
• Modulewww.DataSheet4U.com Size: 66 x 21 x 9.88 mm
• Linear operation is possible by setting the quiescent drain
current with the gate voltage and controlling the output power
with the input power
BLOCK DIAGRAM
2
1
3
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: H2S
ORDERING INFORMATION:
ORDER NUMBER
RA18H1213G-01
SUPPLY FORM
Antistatic tray,
10 modules/tray
RA18H1213G
MITSUBISHI ELECTRIC
1/9
5 April 2004






RA18H1213G Datasheet, Funktion
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
MITSUBISHI RF POWER MODULE
RA18H1213G
TEST BLOCK DIAGRAM
Power
Meter
DUT
5
12
34
Spectrum
Analyzer
Signal
Pre- Directional
Generator Attenuator amplifier Attenuator
Coupler
ZG=50
C1
C2
ZL=50
Directional
Power
Coupler
Attenuator Meter
C1, C2: 4700pF, 22uF in parallel
-+
DC Power
Supply VGG
+-
DC Power
Supply VDD
1 RF Input (Pin)
2 Gate Voltage (VGG)
3 Drain Voltage (VDD)
4 RF Output (Pout)
5 RF Ground (Case)
EQUIVALENT CIRCUIT
2
3
1
RA18H1213G
MITSUBISHI ELECTRIC
6/9
4
5
5 April 2004

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