MRF1517T1 Datasheet, PDF (2/16 Pages) Motorola, Inc – The RF MOSFET Line RF POWER FIELD EFFECT TRANSISTOR N-CHANNEL ENHANCEMENT-MODE LATERAL MOSFETS

Table 4. Electrical Characteristics (T_C = 25°C unless otherwise noted)
Characteristic
Symbol
Off Characteristics
Zero Gate Voltage Drain Current
(V_DS = 35 Vdc, V_GS = 0)
Gate - Source Leakage Current
(V_GS = 10 Vdc, V_DS = 0)
On Characteristics
Gate Threshold Voltage
(V_DS = 7.5 Vdc, I_D = 120 μAdc)
Drain- Source On - Voltage
(V_GS = 10 Vdc, I_D = 1 Adc)
Forward Transconductance
(V_DS = 10 Vdc, I_D = 2 Adc)
Dynamic Characteristics
Input Capacitance
(V_DS = 7.5 Vdc, V_GS = 0, f = 1 MHz)
Output Capacitance
(V_DS = 7.5 Vdc, V_GS = 0, f = 1 MHz)
Reverse Transfer Capacitance
(V_DS = 7.5 Vdc, V_GS = 0, f = 1 MHz)
Functional Tests (In Freescale Test Fixture)
Common - Source Amplifier Power Gain
(V_DD = 7.5 Vdc, P_out = 8 Watts, I_DQ = 150 mA, f = 520 MHz)
Drain Efficiency
(V_DD = 7.5 Vdc, P_out = 8 Watts, I_DQ = 150 mA, f = 520 MHz)
I_DSS
I_GSS
V_GS(th)
V_DS(on)
g_fs
C_iss
C_oss
C_rss
G_ps
η
V_GG
+
B1
C9 C8 C7 R3
R2
C18
Min
Typ
Max
Unit
—
—
—
—
1
μAdc
1
μAdc
1.0
1.7
2.1
Vdc
—
0.5
—
Vdc
0.9
—
—
S
—
66
—
pF
—
38
—
pF
—
6
—
pF
10
11
—
dB
50
55
—
%
B2
+
V_DD
C17 C16 C15
N1
RF
Z1
Z2
Z3
INPUT
C1
L1
C6
R1
Z6
Z7
Z8 Z9
Z10
N2
RF
DUT
Z4
Z5
C10
C12
C11
C14
C13
OUTPUT
C2
C3
C4 C5
B1, B2
C1
C2, C3, C4, C10,
C12, C13
C5, C11
C6, C18
C7, C15
C8, C16
C9, C17
C14
L1
N1, N2
Short Ferrite Bead, Fair Rite Products
(2743021446)
300 pF, 100 mil Chip Capacitor
0 to 20 pF, Trimmer Capacitor
43 pF, 100 mil Chip Capacitor
120 pF, 100 mil Chip Capacitor
10 μF, 50 V Electrolytic Capacitor
0.1 μF, 100 mil Chip Capacitor
1,000 pF, 100 mil Chip Capacitor
330 pF, 100 mil Chip Capacitor
55.5 nH, 5 Turn, Coilcraft
Type N Flange Mount
R1
R2
R3
Z1
Z2
Z3
Z4
Z5, Z6
Z7
Z8
Z9
Z10
Board
15 Ω, 0805 Chip Resistor
1.0 kΩ, 1/8 W Resistor
33 kΩ, 1/2 W Resistor
0.315″ x 0.080″ Microstrip
1.415″ x 0.080″ Microstrip
0.322″ x 0.080″ Microstrip
0.022″ x 0.080″ Microstrip
0.260″ x 0.223″ Microstrip
0.050″ x 0.080″ Microstrip
0.625″ x 0.080″ Microstrip
0.800″ x 0.080″ Microstrip
0.589″ x 0.080″ Microstrip
Glass Teflon^®, 31 mils, 2 oz. Copper
MRF1517T1
2
Figure 1. 480 - 520 MHz Broadband Test Circuit
RF Device Data
Freescale Semiconductor