T7024-DB Atmel Corporation, T7024-DB Datasheet - Page 12

• Manufacturer Part Number: T7024-DB
• Description: RF Transceiver, 2.4GHz to 2.5GHz (ISM Band) RF Frequency, 3.3V Supply Voltage, QFP
• Manufacturer: Atmel Corporation

T7024
12 (15)
RX ON
pin–diode replaced
by LED on application–
board
PU
with DIL–switch
R1 is selected
100p
100p
Switch Out
R1
Var
LNA OUT
Preliminary Information
2.2p
LED
0R
390R
Figure 29. Application board N20
2k7
LNA IN
1.8p
0.8pF HQ
1p
1
2
3
4
5 6
PA IN
100pF
20
100pF
Figure 30. Layout for N20
19
7
T7024
0R
18
1.8pF
8
VS_LNA
2.2pF
17
9
10
16
56p
0R
1u
0R
15
LNA_OUT
14
13
12
11
LNA_IN
18nH
1 mF
0R
56p
3p3
0R
1pF
V3_PA
10p
3.3pF
1n
harm.
termination
15pF
2.2pF
0p8
56pF
HQ
0R
0R
2p2
1u
18nH HQ
PA OUT
HQ
PA_IN
15p
15p
15pF
PA_OUT
10pF
1n
1n
1nF
1u
1nF
56p
1nF
1u
1 mF
1 mF
1 mF
Blocking capacitors de-
pending on application
PA ramp
V1_PA
V2_PA
Rev. A5, 02-May-01