Elenos ETG300 - Schematic

Use and maintenance manual
Page 104
Engineering Department PHONE: +39 0532 829 965 - FAX: +39 0532 829 177
E-Mail: support@elenos.com
5. ELECTRICAL SCHEMATICS - 5.6. RF final output stage
ETG250/300
A.Giovannelli
A.Tomassini
E-AT300-1.1
Wednesday, November 15, 2000
11
POWER AMPLIFIER
1.1
Model:
Approved :
Proj. Engr. :
Website WWW.ELENOS.COM
Tel +39 0532 829965 Fax +39 0532 829177
Via G.Amendola 9 44028 Poggio Renatico (FE) Italy
ofSheet
Date:
Rev
Board Code:
Title:
R7
22
C17 470pF
C7 10nF
C8 10nF C6 10nF
C10 10nFC9
10nF
D1
1N4148
R3 10
R4 10
R5 10
C4 10nF
C5 10nF
C1 56pF
J1
L3
70uH
C3 10nF
25 ohms
25 ohms
50 ohms
C2 10nF
R8 10
J2
U1 BLF278
TF1
C14
470pF
R6 10K
P1 20K
R1 10K
R2 10
C12 470pF
C13 47uF 63V
+
C15 470pF C11 470pF
C18
470pF
C19 470pF
L1
C16 470pF
R9
10
L2
430nH
+VDS
GATE BIAS VOLTAGE