參數(shù)資料
型號: MRF21085SR3
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 功率晶體管
英文描述: S BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: NI-780S, CASE 465A-06, 2 PIN
文件頁數(shù): 7/12頁
文件大?。?/td> 562K
代理商: MRF21085SR3
MRF21085R3 MRF21085SR3 MRF21085LSR3
MOTOROLA RF DEVICE DATA
Figure 1. MRF21085 Test Circuit Schematic
RF
INPUT
RF
OUTPUT
Z1
Z2
VGG
C1
C6
L1
DUT
VDD
Z3
C8
Z7
C5
C7
Z5
Z6
R4
C4
Z4
+
C9
C3
C2
Z8
C10
C11
C12
++
+
B1
R1
R2
R3
Board
0.030″ Glass Teflon,
Keene GX-0300-55-22, εr = 2.55
PCB
Etched Circuit Boards
MRF21085 Rev. 3, CMR
Z1
0.750″ x 0.084″ Microstrip
Z2
1.015″ x 0.084″ Microstrip
Z3
0.480″ x 0.800″ Microstrip
Z4
0.750″ x 0.050″ Microstrip
Z5
0.610″ x 0.800″ Microstrip
Z6
0.885″ x 0.084″ Microstrip
Z7
0.720″ x 0.084″ Microstrip
Z8
0.800″ x 0.070″ Microstrip
Table 1. MRF21085 Test Circuit Component Designations and Values
Designators
Description
B1
Short Ferrite Bead, Fair Rite, #2743019447
C1, C6
43 pF Chip Capacitors, ATC #100B430JCA500X
C2
10 pF Chip Capacitor, ATC #100B100JCA500X
C3, C9
1000 pF Chip Capacitors, ATC #100B102JCA500X
C4, C10
0.1 mF Chip Capacitors, Kemet #CDR33BX104AKWS
C5
1.0 mF Tantalum Chip Capacitor, Kemet #T491C105M050
C7
2.7 pF Chip Capacitor, ATC #100B2R7JCA500X
C8
10 mF Tantalum Chip Capacitor, Kemet #T495X106K035AS4394
C11, C12
22 mF Tantalum Chip Capacitors, Kemet #T491X226K035AS4394
L1
1 Turn, #20 AWG, 0.100″ ID, Motorola
N1, N2
Type N Flange Mounts, Omni Spectra #3052-1648-10
R1
1.0 k, 1/8 W Chip Resistor
R2
180 k, 1/8 W Chip Resistor
R3, R4
10 , 1/8 W Chip Resistors
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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