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參數(shù)資料
| 型號： | MRF392 |
| 元件分類： | 功率晶體管 |
| 英文描述： | 2 CHANNEL, UHF BAND, Si, NPN, RF POWER TRANSISTOR |
| 封裝： | CASE 744A-01, 8 PIN |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 165K |
| 代理商： | MRF392 |
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS (1)
Collector–Emitter Breakdown Voltage (IC = 50 mAdc, IB = 0)
V(BR)CEO
30
—
Vdc
Collector–Emitter Breakdown Voltage (IC = 50 mAdc, VBE = 0)
V(BR)CES
60
—
Vdc
Emitter–Base Breakdown Voltage (IE = 5.0 mAdc, IC = 0)
V(BR)EBO
4.0
—
Vdc
Collector Cutoff Current (VCB = 30 Vdc, IE = 0)
ICBO
—
5.0
mAdc
ON CHARACTERISTICS (1)
DC Current Gain (IC = 1.0 Adc, VCE = 5.0 Vdc)
hFE
40
60
100
—
DYNAMIC CHARACTERISTICS (1)
Output Capacitance (VCB = 28 Vdc, IE = 0, f = 1.0 MHz)
Cob
—
75
95
pF
FUNCTIONAL TESTS (2) — See Figure 1
Common–Emitter Amplifier Power Gain
(VCC = 28 Vdc, Pout = 125 W, f = 400 MHz)
Gpe
8.0
10
—
dB
Collector Efficiency
(VCC = 28 Vdc, Pout = 125 W, f = 400 MHz)
η
50
55
—
%
Load Mismatch
(VCC = 28 Vdc, Pout = 125 W, f = 400 MHz,
VSWR = 30:1, all phase angles)
ψ
No Degradation in Output Power
NOTES:
1. Each transistor chip measured separately.
2. Both transistor chips operating in push–pull amplifier.
Figure 1. 400 MHz Test Fixture
D.U.T.
Z1
Z3
C9
C11
L5
Z4
Z5
L6
C16
C7
C6
C5
C3
–
+ 28 V
L3
L4
C2
C1
Z1
Z3
Z6
Z4
Z5
Z6
C12
C13
C14
C15
B1
B2
L1
C17
C18
C19
C10
+
L2
C8
Z2
C4
Z2
C1, C2 — 240 pF, 100 Mil Chip Cap (ATC) or Equivalent
C3 — 3.6 pF, 100 Mil Chip Cap (ATC) or Equivalent
C4, C8 — 8.2 pF, 100 Mil Chip Cap (ATC) or Equivalent
C5, C6 — 20 pF, 100 Mil Chip Cap (ATC) or Equivalent
C7 — 18 pF, Mini Unelco or Equivalent
C9, C10 — 270 pF, 100 Mil Chip Cap (ATC) or Equivalent
C11, C12, C16, C17 — 470 pF 100 Mil Chip Cap (ATC) or Equivalent
C13, C18 — 680 pF Feedthru
C14, C19 — 0.1
F Erie Redcap or Equivalent
C15 — 20
F, 50 V
L1, L2 — 0.15
H Molded Choke With Ferrite Bead
L3, L4 — 2–1/2 Turns #20 AWG, 0.200 ID
L5, L6 — 3–1/2 Turns #18 AWG, 0.200 ID
B1 — Balun, 50
Semi–Rigid Coaxial Cable 86 Mil OD, 2″ L
B2 — Balun, 50
Semi–Rigid Coaxial Cable 86 Mil OD, 2″ L
Z1 — Microstrip Line 270 Mil L x 125 Mil W
Z2 — Microstrip Line 375 Mil L x 125 Mil W
Z3 — Microstrip Line 280 Mil L x 125 Mil W
Z4 — Microstrip Line 300 Mil L x 125 Mil W
Z5 — Microstrip Line 350 Mil L x 125 Mil W
Z6 — Microstrip Line 365 Mil L x 125 Mil W
Board Material — 0.0625
″ Teflon Fiberglass εr = 2.5 ± 0.05 1 oz. Cu.
Board Material — CLAD, Double Sided
2
REV 8
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