RF7115 Datasheet, PDF (18/22 Pages) RF Micro Devices – QUAD-BAND GSM850/GSM900/DCS/PCS TRANSMIT MODULE

RF7115
Application Schematic
LB RF IN
VSENSE
B1
B2
VBATT
B3
TXEN
VRAMP
HB RFIN
22
50 Ω μstrip
2
Customer Option.
See Application Note. ₁
pHEMT
Switch
3
4.7 uF
4
Fully Integrated
5
Power Control Circuit
and Switch Decoder
6
7
8
Optional
depending on
BB selection
50 Ω μstrip
9
10
11
GND: Internally
connected to HB Q2
De-coupling Capacitor
requires external GND
50 Ω μstrip
21
16 - 20
16
15
14
13
33 pF
RX4
33 pF
RX3
33 pF
RX2
33 pF
RX1
12
GND: Connected to
backside GND
11-382
Rev A0 060808