MRF275 MOTOROLA [Motorola, Inc], MRF275 Datasheet - Page 3

• Manufacturer Part Number: MRF275
• Description: 150 W, 28 V, 500 MHz N.CHANNEL MOS BROADBAND 100 - 500 MHz RF POWER FET
• Manufacturer: MOTOROLA [Motorola, Inc]

MOTOROLA RF DEVICE DATA
+V GG
B1
B2
C1, C2, C3, C4,
C10, C11, C12, C13
C5, C8
C6
C7
C9
C14, C15, C16,
C20, C21, C22
C17, C18
C19
L1, L2
L3, L4
C14
B1
Balun, 50 , 0.086 O.D. 2 Long, Semi Rigid Coax
Balun, 50 , Coax 0.141 O.D. 2 Long, Semi Rigid
270 pF, ATC Chip Capacitor
1.0 – 20 pF, Trimmer Capacitor, Johanson
22 pF, Mini–Unelco Capacitor
15 pF, Unelco Capacitor
2.1 pF, ATC Chip Capacitor
0.1 F, Ceramic Capacitor
680 pF, Feedthru Capacitor
10 F, 50 V, Electrolytic Capacitor, Tantalum
0.145 O.D., 106 nH
Taylor–Spring Inductor
10 Turns AWG #18,
0.340 I.D., Enameled Wire
10 Turns AWG #24,
C1
C2
C3
C4
R1
Z1
Z2
C5
A
Figure 1. 500 MHz Test Circuit
A
L1
C6
L2
C20
C15
Z3
Z4
D.U.T.
C16
Z5
Z6
B
L5
L6
R1
W1 – W4
Z1, Z2
Z3, Z4, Z5, Z6
Z7, Z8
Board material
Points A are connected together on PCB.
Points B are connected together on PCB.
r = 2.55, copper clad both sides, 2 oz. copper.
C22
L3
L4
C7
C21
B
C8
C17
Z7
Z8
C9
L5
Ferroxcube VK200 20/4B
4 Turns #16, 0.340 I.D.,
Enameled Wire
1.0 k ,1/4 W Resistor
20 x 200 x 250 mils, Wear Pads,
Beryllium–Copper, (See
Component Location Diagram)
1.10 x 0.245 , Microstrip Line
0.300 x 0.245 , Microstrip Line
1.00 x 0.245 , Microstrip Line
0.060 Teflon–fiberglass,
C10
C13
C18
C11
C12
L6
B2
C19
MRF275G
+
+28 V
3