
A
R
C
H
IV
E
IN
F
O
R
M
A
T
IO
N
A
R
C
H
IV
E
IN
F
O
R
M
A
T
IO
N
2
RF Device Data
Freescale Semiconductor
MRF284LSR1
Table 3. Electrical Characteristics (TC = 25°C unless otherwise noted) (continued)
Characteristic
Symbol
Min
Typ
Max
Unit
On Characteristics
Gate Threshold Voltage
(VDS = 10 Vdc, ID = 150 Adc)
VGS(th)
2.0
3.0
4.0
Vdc
Gate Quiescent Voltage
(VDS = 26 Vdc, ID = 200 mAdc)
VGS(q)
3.0
4.0
5.0
Vdc
Drain--Source On--Voltage
(VGS = 10 Vdc, ID = 1.0 Adc)
VDS(on)
—
0.3
0.6
Vdc
Forward Transconductance
(VDS = 10 Vdc, ID = 1.0 Adc)
gfs
—
1.5
—
S
Dynamic Characteristics
Input Capacitance
(VDS = 26 Vdc, VGS = 0, f = 1.0 MHz)
Ciss
—
43
—
pF
Output Capacitance
(VDS = 26 Vdc, VGS = 0, f = 1.0 MHz)
Coss
—
23
—
pF
Reverse Transfer Capacitance
(VDS = 26 Vdc, VGS = 0, f = 1.0 MHz)
Crss
—
1.4
—
pF
Functional Tests (in Freescale Test Fixture, 50 ohm system)
Common--Source Power Gain
(VDD = 26 Vdc, Pout = 30 W, IDQ = 200 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
Gps
9
10.5
—
dB
Drain Efficiency
(VDD = 26 Vdc, Pout = 30 W, IDQ = 200 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
η
30
35
—
%
Intermodulation Distortion
(VDD = 26 Vdc, Pout = 30 W, IDQ = 200 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
IMD
—
--32
--29
dBc
Input Return Loss
(VDD = 26 Vdc, Pout = 30 W, IDQ = 200 mA,
f1 = 2000.0 MHz, f2 = 2000.1 MHz)
IRL
—
--15
--9
dB
Common--Source Amplifier Power Gain
(VDD = 26 Vdc, Pout = 30 W PEP, IDQ = 200 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
Gps
9
10.4
—
dB
Drain Efficiency
(VDD = 26 Vdc, Pout = 30 W PEP, IDQ = 200 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
η
—
35
—
%
Intermodulation Distortion
(VDD = 26 Vdc, Pout = 30 W PEP, IDQ = 200 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
IMD
—
--34
—
dBc
Input Return Loss
(VDD = 26 Vdc, Pout = 30 W PEP, IDQ = 200 mA,
f1 = 1930.0 MHz, f2 = 1930.1 MHz)
IRL
—
--15
--9
dB
Common--Source Amplifier Power Gain
(VDD = 26 Vdc, Pout = 30 W CW, IDQ = 200 mA,
f1 = 2000.0 MHz)
Gps
8.5
9.5
—
dB
Drain Efficiency
(VDD = 26 Vdc, Pout = 30 W CW, IDQ = 200 mA,
f1 = 2000.0 MHz)
η
35
45
—
%