MRF281 Datasheet, PDF (2/8 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

ELECTRICAL CHARACTERISTICS continued (T_C = 25°C unless otherwise noted)
Characteristic
Symbol
ON CHARACTERISTICS
Gate Threshold Voltage
(V_DS = 10 Vdc, I_D = 20 µAdc)
Gate Quiescent Voltage
(V_DS = 26 Vdc, I_D = 25 mAdc)
Drain–Source On–Voltage
(V_GS = 10 Vdc, I_D = 0.1 A)
DYNAMIC CHARACTERISTICS
Input Capacitance
(V_DS = 26 Vdc, V_GS = 0, f = 1.0 MHz)
Output Capacitance
(V_DS = 26 Vdc, V_GS = 0, f = 1.0 MHz)
Reverse Transfer Capacitance
(V_DS = 26 Vdc, V_GS = 0, f = 1.0 MHz)
FUNCTIONAL TESTS (In Motorola Test Fixture)
Common–Source Amplifier Power Gain
(V_DD = 26 Vdc, P_out = 4 W PEP, I_DQ = 25 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
V_GS(th)
V_GS(q)
V_DS(on)
C_iss
C_oss
C_rss
G_ps
Drain Efficiency
η
(V_DD = 26 Vdc, P_out = 4 W PEP, I_DQ = 25 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
Input Return Loss
IRL
(V_DD = 26 Vdc, P_out = 4 W PEP, I_DQ = 25 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
Intermodulation Distortion
IMD
(V_DD = 26 Vdc, P_out = 4 W PEP, I_DQ = 25 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
Common–Source Amplifier Power Gain
G_ps
(V_DD = 26 Vdc, P_out = 4 W PEP, I_DQ = 25 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
Drain Efficiency
η
(V_DD = 26 Vdc, P_out = 4 W, I_DQ = 25 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
Input Return Loss
IRL
(V_DD = 26 Vdc, P_out = 4 W PEP, I_DQ = 25 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
Intermodulation Distortion
IMD
(V_DD = 26 Vdc, P_out = 4 W PEP, I_DQ = 25 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
Common–Source Amplifier Power Gain
G_ps
(V_DD = 26 Vdc, P_out = 4 W CW, I_DQ = 25 mA,
f1 = 2000.0 MHz)
Drain Efficiency
η
(V_DD = 26 Vdc, P_out = 4 W CW, I_DQ = 25 mA,
f1 = 2000.0 MHz)
Output Mismatch Stress
Ψ
(V_DD = 26 Vdc, P_out = 4 W CW, I_DQ = 25 mA,
f1 = 2000.0 MHz, VSWR = 10:1,
All Phase Angles at Frequency of Test)
Min
Typ
Max
Unit
2.4
3.2
4
Vdc
3
4.1
5
Vdc
0.18
0.24
0.30
Vdc
—
5.5
—
pF
—
3.3
—
pF
—
0.17
—
pF
11
12.5
—
dB
30
33
—
%
—
–16
–10
dB
—
–31
–29
dBc
11
12.5
—
dB
30
—
—
%
—
–16
–10
dB
—
–31
—
dBc
10.5
12
—
dB
40
44
—
%
No Degradation In Output Power
MRF281SR1 MRF281ZR1
2
MOTOROLA RF DEVICE DATA