Rainbow Electronics Т7024 - Manual (Page 15)

15
T7024
4533A–BLURF–09/02
Figure 28. Application Board PSSO20
Figure 29. Layout for PSSO20
R1
Var
100p
1n 10p
1u
15nH
0p8
1p5 HQ
56p
1u
5.6nH
56p
1.8p
3.9nH
3.9p
1n
1u 10p
3p3 HQ 1n
15p 1u
5
16
1 2 3 4
20 19 18 17 15 14 13 12 11
10 9 8 7 6
Switch Out
LNA OUT
RX ON
PU
R1 is selected
with DIL-switch
pin-diode replaced
by LED on application-
board
PA OUT V3_PA VS_LNA LNA IN
PA IN
V2_PA
PA ramp
V1_PA
harm.
termination
100p
T7024
HQ
Blocking capacitors
depending on application
100pF
100pF
3.9nH
3.9pF 0R
5.6nH
1nF
1uF
1uF 1nF
15pF
56pF
3.3pF HQ
1uF 10pF
1nF
15nH
56pF
1uF
1.5pF HQ
0.8pF HQ
1.8pF
0R
LED
LNA_IN PA_OUT
0R
0R
2k7
390R
0R
LNA_OUT PA_IN
LNA_SUPPLY
P
A
_S
U
P
P
LY
DIL-Switch