參數(shù)資料
型號: MRF176
廠商: Motorola, Inc.
英文描述: N-CHANNEL MOS BROADBAND RF POWER FETs
中文描述: N溝道馬鞍山寬帶RF功率場效應(yīng)管
文件頁數(shù): 3/10頁
文件大?。?/td> 177K
代理商: MRF176
3
MRF176GU MRF176GV
MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS
(TC = 25
°
C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
FUNCTIONAL CHARACTERISTICS — MRF176GU
(1)
(Figure 2)
Common Source Power Gain
(VDD = 50 Vdc, Pout = 150 W, f = 400 MHz, IDQ = 2.0 x 100 mA)
Gps
12
14
dB
Drain Efficiency
(VDD = 50 Vdc, Pout = 150 W, f = 400 MHz, IDQ = 2.0 x 100 mA)
η
45
50
%
Electrical Ruggedness
(VDD = 50 Vdc, Pout = 150 W, f = 400 MHz, IDQ = 2.0 x 100 mA,
VSWR 10:1 at all Phase Angles)
ψ
No Degradation in Output Power
NOTE:
1. Measured in push–pull configuration.
Figure 2. 400 MHz Test Circuit
B1 — Balun, 50
Semirigid Coax .086 OD 2
Long
B2 — Balun, 50
Semirigid Coax .141 OD 2
Long
C1, C2, C9, C10 — 270 pF ATC Chip Capacitor
C3 — 15 pF ATC Chip Cap
C4, C8 — 1.0–20 pF Piston Trimmer Cap
C5 — 27 pF ATC Chip Cap
C6, C7 — 22 pF Mini Unelco Capacitor
C11, C13, C14, C15, C16 — 0.01
μ
F Ceramic Capacitor
C12 — 1.0
μ
F 50 V Tantalum Cap
C17, C18 — 680 pF Feedthru Capacitor
C19 — 10
μ
F 100 V Tantalum Cap
L1, L2 — Hairpin Inductor #18 W
L3, L4 — Hairpin Inductor #18 W
L5, L6 — 13T #18 W .250 ID
L7 — Ferroxcube VK–200 20/4B
L8 — 3T #18 W .340 ID
R1 — 1.0 k
1/4 W Resistor
R2, R3 — 10 k
1/4 W Resistor
Z1, Z2 — Microstrip Line .400L x .250W
Z3, Z4 — Microstrip Line .450L x .250W
Ckt Board Material — .060
teflon–fiberglass, copper clad both sides, 2 oz. copper,
ε
r = 2.55
.200
.400
.200
.200
C11
C12
R1
C13
C15
R2
A
B
C17
L7
C18
L8
C19
50 V
L1
L2
C1
C2
B1
B2
Z1
Z2
C3
C4
R3
D.U.T.
A
B
C14
C16
L6
Z4
Z3
L3
L4
C10
C9
C5
C6
C7
C8
BIAS
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