AMGP-6434 Datasheet, PDF (8/9 Pages) AVAGO TECHNOLOGIES LIMITED – 28-31 GHz 4W SMT Packaged Power Amplifier

Application Circuit
Vg
22uF
10R
47R
0.1uF
Vg
Ferrite Bead
10R
0.1uF
22uF
10R
0.1uF
Vd1
Vd2
Vd
Vg
0.1uF
47R
Vd1
Vd2
0.1uF
10R
0.1uF
10R
22uF
Ferrite Bead
Figure 19. Application Circuit
Table 3. Typical Test Conditions:
PIN
Vd1, 2
Idsq=Id1+Id2
Vg
6V
1400mA
-0.79
Drain Supply Voltage
Quiescent Drain Current
Gate Supply Voltage
Demo-board
GND VG NC NC VDD GND
C1
C6
C5
R1
R7
L1
R2
R3
123
C2
C7
8 ^AMGP 4
6434
R8
R4
C8
76 5
R6
R5
L2
C3
C9
C10
C4
GND VG
NC
NC VDD GND
Figure 20. Demo-board
8
Table 4. Pin Description
Pin No.
1
2
3
4
5
6
7
8
Function
Vg
Vd1
Vd2
RF_OUT
Vd2
Vd1
Vg
RF_IN
Table 5. Recommended Passive Components
Ref Designator
C1-C4
C5-C10
L1, L2
R1-R6
R7, R8
Value
22mF
0.1mF
Ferrite Bead
10W
47
Part Number
TDK C1608X5R0J226M
DigiKey 445-8028-1-ND
0402 ANY
Murata BLM18HG471SN1
0402 ANY
0402 ANY
Bias Sequence:
• Apply Vg = -1.5V
• Apply Vdd = 0V
• Increase Vdd to 6V
• Increase Vg to obtain Idsq = 1.4A
• Apply RF
• Turn off in reverse order