RF5163_1 Datasheet, PDF (3/14 Pages) RF Micro Devices – 3V-5V, 2.5GHZ LINEAR POWER AMPLIFIER

RF5163
Pin Function Description
Interface Schematic
1
RF IN
RF input. Matching network with DC-block required; see evaluation board See pin 14.
schematic for details.
2
VREG1 GND ^{First stage bias circuit ground. Keep PCB traces short and connect immedi-}
ately to ground plane.
3
P DOWN ^{Power down pin. Apply <0.6V}DC ^{to power up both V}CC ^{and V}CC1^{. Apply}
2.5V_DC to 3.5V_DC to power down. If function is not desired pin may be
grounded.
4
P DETECT ^{The P_DOWN and P_DETECT pins can be used in conjunction with an exter-}
nal feedback path to provide an RF power control function for the RF5163.
The power control function is based on sampling the RF drive to the final
stage of the RF5163. If function is not desired, pin may be left untermi-
nated.
5
VREG1
First stage bias input - requires regulated voltage to maintain desired I_CC.
6
VREG2
Second stage bias input - requires regulated voltage to maintain desired
I_CC. May be tied to pin 5 input after series resistors.
7
VREG2 GND ^{Second stage bias circuit ground. Ground with a 10nH inductor.}
8
NC
No connect (N/C).
9
GND
Ground connection. For best performance, keep PCB trace lengths short.
10
RF OUT ^{Same as pin 11.}
11
RF OUT
RF output and bias for the output stage. The power supply for the output
transistor needs to be supplied to this pin. This can be done through a
quarter-wave (λ/4) microstrip line that is RF grounded at the other end, or
through an RF inductor that supports the required DC current.
RF OUT
12
RF OUT ^{Same as pin 11.}
13
GND
Same as pin 8.
14
VCC1
Power supply pin for first stage. External low frequency bypass capacitors
should be connected if no other low frequency decoupling is employed.
VCC
RF IN
15
16
Pkg
Base
VCC1
VCC
GND
BIAS
Same as pin 14.
Power supply pin for bias circuits. External low frequency bypass capacitors
should be connected if no other low frequency decoupling is employed.
Ground connection. The back side of the package should be connected to
the ground plane through as short a connection as possible, e.g., PCB vias
under the device are recommended.
See pins 1 and 2.
Rev A12 DS061114
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
3 of 14