参数资料
型号: MRF21045
厂商: MOTOROLA INC
元件分类: 功率晶体管
英文描述: RF Power Field Effect Transistors
中文描述: S BAND, Si, N-CHANNEL, RF POWER, MOSFET
封装: CASE 465E-03, 3 PIN
文件页数: 4/8页
文件大小: 133K
代理商: MRF21045
MRF21045 MRF21045R3 MRF21045S MRF21045SR3
5.2–298
MOTOROLA WIRELESS
RF PRODUCT DEVICE DATA
Figure 1. MRF21045 Test Circuit Schematic
RF
INPUT
RF
OUTPUT
Z1
Z2
VGG
C1
C6
L1
DUT
VDD
Z4
C8
Z9
C5
C7
Z6
Z7
R4
C4
Z5
+
C9
C3
C2
Z10
C10
C11
+
B1
R1
R2
R3
Board
0.030
″ Glass Teflon,
Keene GX–0300–55–22,
εr = 2.55
PCB
Etched Circuit Boards
MRF21045 Rev. 3, CMR
Z1, Z9
0.750
″ x 0.084″ Transmission Line
Z2
0.160
″ x 0.084″ Transmission Line
Z3
1.195
″ x 0.176″ Transmission Line
Z4
0.125
″ x 0.320″ Transmission Line
Z5
1.100
″ x 0.045″ Transmission Line
Z6
0.442
″ x 0.650″ Transmission Line
Z7
0.490
″ x 0.140″ Transmission Line
Z8
0.540
″ x 0.084″ Transmission Line
Z10
0.825
″ x 0.055″ Transmission Line
Z3
Z8
Table 1. MRF21045 Component Designations and Values
Designators
Description
B1
Short Ferrite Bead, Fair Rite, #2743019447
C1, C2, C6
43 pF Chip Capacitors, ATC #100B430JCA500X
C7
5.6 pF Chip Capacitor, ATC #100B5R6JCA500X
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
C8
10
mF Tantalum Chip Capacitor, Kemet #T495X106K035AS4394
C11
22
mF Tantalum Chip Capacitor, 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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