5
MRF15030MOTOROLA RF DEVICE DATA
Table 1. Small Signal S Parameters at VCE = 24 Vdc, IC = 2.5 Adc
f S11 S21 S12 S22
MHz |S11|∠φ|S21|∠φ|S12|∠φ|S22|∠φ
1000
1050
1100
1150
1200
1250
1300
1350
1400
1450
1500
1550
1600
1650
1700
1750
1800
1850
1900
1950
2000
0.983
0.984
0.978
0.975
0.975
0.969
0.963
0.955
0.945
0.933
0.915
0.889
0.856
0.833
0.820
0.839
0.872
0.909
0.937
0.957
0.970
173
172
172
171
171
170
169
169
168
167
166
166
166
168
171
174
175
176
175
174
173
0.366
0.367
0.367
0.373
0.382
0.391
0.408
0.428
0.452
0.487
0.525
0.572
0.618
0.654
0.654
0.600
0.517
0.435
0.357
0.296
0.247
49
46
43
40
36
33
29
25
20
13
6
–3
–16
–30
–48
–66
–81
–94
–104
–112
–119
0.006
0.007
0.007
0.007
0.008
0.007
0.008
0.009
0.008
0.009
0.009
0.009
0.009
0.010
0.010
0.010
0.010
0.010
0.011
0.012
0.012
36
33
33
30
31
27
21
20
7
1
–8
–18
–35
–54
–86
–120
–152
–176
159
148
136
0.890
0.893
0.888
0.885
0.886
0.881
0.879
0.879
0.873
0.875
0.875
0.877
0.887
0.901
0.918
0.930
0.932
0.925
0.924
0.917
0.915
178
178
178
178
177
177
177
177
177
178
178
178
178
178
178
177
176
174
173
173
173
N1
RF Input
Figure 12. Class AB Broadband Test Fixture Electrical Schematic
B1, B4 Long Bead, Fair Rite
B2, B3 Short Bead, Fair Rite
C1 0.3 pF, B Case Chip Capacitor, ATC
C2 220 µF, Electrolytic Capacitor, Mallory
C3, C14 0.1 µF, Chip Capacitor, Kemit
C4, C8 0.8 to 8 pF, Variable Capacitor, Johanson
C5, C11 1800 pF, Chip Capacitor, Kemit
C6, C12 18 pF, B Case Chip Capacitor, ATC
C7, C10 51 pF, Chip Capacitor, Murata Erie
C9 1.7 pF, B Case Chip Capacitor, ATC
C13 470 µF, Electrolytic Capacitor, Mallory
D1 Surface Mount Diode, Motorola
D2 Light Emitting Diode, Industrial Devices
L1, L2 3 T urn, 20 AWG, 0.126″ ID Choke
N1, N2 Type N Flange Mount RF Connector, Omni Spectra
Q1 T ransistor PNP Motorola (BD136)
Q2, Q3 Surface Mount Transistor, NPN, Motorola (MJD47)
R1 2 x 330 Ω, 1/8 Watt Chip Resistors in Parallel, Rohm
R2 100 Ω, 1/8 Watt, Chip Resistor, Rohm
R3, R6 4 x 38 Ω, 1/8 Watt, Chip Resistors in Parallel, Rohm
R4 39 Ω, 1/8 Watt, Chip Resistor, Rohm
R5 22 KΩ, 1/8 Watt, Chip Resistor, Rohm
Board Glass Teflon, Arlon GX–0300–55–22, εr = 2.55
N2
RF Output
VCC
R6
B4
C14C13
C11
C12
C9
C8
L2
B3
C10
DUT
R5
D2
Q3
R4
C7
C6
C4
C1
+
Q2
B2
L1
C5
B1
R3
R2
C3
C2
Q1
D1
R1
Vbias
+