BB502 Hitachi, BB502 Datasheet - Page 4

• Manufacturer Part Number: BB502
• Description: Build in Biasing Circuit MOS FET IC UHF/VHF RF Amplifier
• Manufacturer: Hitachi

BB502C
4
L1:
L3:
900MHz Power Gain, Noise Test Circuit
Input (
10
50 )
21
29
L1
C4 to C6
C1, C2
R1
C4
V G1
L2
C3
R1
R2
R3
C1
:
:
:
:
:
:
V G2
G1
G2
C5
R2
Variable Capacitor (10pF MAX)
Disk Capacitor (1000pF)
Air Capacitor (1000pF)
180 k
47 k
4.7 k
RFC: 1mm Copper wire with enamel 4turns inside dia 6mm
C3
L4:
L2:
D
R3
S
V D
C6
L3
RFC
26
18
C2
L4
Output (
50 )
( 1mm Copper wire)
Unit: mm