M68745H
M68745H is SILICON MOS FET POWER AMPLIFIER manufactured by Mitsubishi Electric.
MITSUBISHI RF POWER MODULE
SILICON MOS FET POWER AMPLIFIER, 896-941MHz, 3.8W, FM PORTABLE RADIO
OUTLINE DRAWING
45 42 2-R1.5
Dimensions in mm
BLOCK DIAGRAM
4 5
18 (36.5)
8.5 PIN: 1 Pin : RF INPUT 2 VGG : GATE BIAS SUPPLY 3 VDD : DRAIN BIAS SUPPLY 4 PO : RF OUTPUT 5 GND: FIN
1.5 6.4 32.2
H50
ABSOLUTE MAXIMUM RATINGS (Tc=25°C unless otherwise noted)
Symbol VDD VGG Pin PO TC (OP) Tstg Parameter Supply voltage Gate bias voltage Input power Output power Operation case temperature Storage temperature Conditions ZG=ZL=50Ω f=896-941MHz, ZG=ZL=50Ω f=896-941MHz, ZG=ZL=50Ω f=896-941MHz, ZG=ZL=50Ω Ratings 9 5.5 6 6 -30 to +100 -40 to +100 Unit V V m W W °C °C
Note. Above parameters are guaranteed independently.
ELECTRICAL CHARACTERISTICS (Tc=25°C, ZG=ZL=50Ω unless otherwise noted)
Symbol f PO 2f O ρin ηT Frequency range Output power 2nd. harmonic Input VSWR Total efficiency Stability Load VSWR tolerance Parameter Test conditions Limits Min 896 3.8 Max 941 -30 4 30 No parasitic oscillation No degradation or destroy Unit MHz W d Bc
VDD=7.2V, VGG=5V, Pin=1m W, ZG=ZL=50Ω PO=3.8W(VGG=Adjust), VDD=7.2V, Pin=1m W, ZG=ZL=50Ω ZG=ZL=50Ω, VDD=5-9.3V, Load VSWR <4:1 VDD=9V, Pin=1m W, PO=3.8W (VGG Adjust), ZL=20:1
%
Note. Above parameters, ratings, limits and test conditions are subject to change. Nov. ´97
MITSUBISHI RF POWER MODULE
SILICON MOS FET POWER AMPLIFIER, 896-941MHz, 3.8W, FM PORTABLE RADIO TYPICAL PERFORMANCE DATA
OUTPUT POWER, INPUT VSWR, TOTAL EFFICIENCY VS. FREQUENCY 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 VDD=7.2V 1.0 VGG=5V 0.5 Pin=1m W ZG=ZL=50 Ω 0.0 840 860 880 ρin ηT PO 50 45 40 35 30 25 20 15 10 5 900 920 940 0 960 0.1 -25 1.0 -20 -15 -10 -5 0 5 INPUT POWER Pin (d Bm) 1 10.0 OUTPUT POWER, TOTAL EFFICIENCY VS. INPUT POWER 10 100.00 f=896MHz PO VDD=7.2V VGG=5V ZG=ZL=50Ω ηT
FREQUENCY f (MHz)
OUTPUT POWER, TOTAL EFFICIENCY VS. INPUT POWER 10 f=941MHz VDD=7.2V VGG=5V ZG=ZL=50Ω PO ηT 100.00
OUTPUT POWER, TOTAL EFFICIENCY VS. GATE...