參數(shù)資料
型號(hào): MRF134
廠商: MOTOROLA INC
元件分類: 功率晶體管
英文描述: N-CHANNEL MOS BROADBAND RF POWER FET
中文描述: UHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: CASE 211-07, 4 PIN
文件頁(yè)數(shù): 5/10頁(yè)
文件大?。?/td> 205K
代理商: MRF134
5
MRF134
MOTOROLA RF DEVICE DATA
Figure 14. 400 MHz Test Circuit
C1, C6 — 270 pF, ATC 100 mils
C2, C3, C4, C5 — 0–20 pF Johanson
C7, C9, C10, C14 — 0.1
μ
F Erie Redcap, 50 V
C8 — 0.001
μ
F
C11 — 10
μ
F, 50 V
C12, C13 — 680 pF Feedthru
D1 — 1N5925A Motorola Zener
L1 — 6 Turns, 1/4
ID, #20 AWG Enamel
L2 — Ferroxcube VK–200 — 19/4B
R1 — 68
, 1.0 W Thin Film
R2 — 10 k
, 1/4 W
R3 — 10 Turns, 10 k
Beckman Instruments 8108
R4 — 1.8 k
, 1/2 W
Z1 — 1.4
x 0.166
Microstrip
Z2 — 1.1
x 0.166
Microstrip
Z3 — 0.95
x 0.166
Microstrip
Z4 — 2.2
x 0.166
Microstrip
Z5 — 0.85
x 0.166
Microstrip
Board — Glass Teflon, 62 mils
Figure 15. Large–Signal Series Equivalent
Input/Output Impedances, Zin, ZOL*
R3*
R4
R1
C8
C9
C7
C1
C2
C3
DUT
Z1
Z2
Z3
D1
L1
C10
C11
+
L2
C12
C13
C14
VDD = 28 V
RF OUTPUT
RF INPUT
C4
C5
C6
Z4
Z5
*Bias Adjust
R2
400
225
150
f = 100 MHz
400
225
150
f = 100 MHz
ZOL*
Zin
Zo = 50
VDD = 28 V, IDQ = 50 mA, Pout = 5.0 W
68
Shunt Resistor Gate–to–Ground
ZOL* = Conjugate of the optimum load impedance
ZOL* =
into which the device output operates at a
ZOL* =
given output power, voltage and frequency.
f
MHz
Zin
Ohms
ZOL*
Ohms
100
150
225
400
21.2 – j25.4
14.6 – j22.1
9.1 – j18.8
6.4 – j10.8
20.1 – j46.7
19.2 – j38.2
17.5 – j33.5
16.9 – j26.9
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