6-39
RF2603
Rev A2 010403
6
Pin
Function
Description
Interface Schematic
1VCC
Supply Voltage pin. External bypassing is required. The trace length
between the pin and bypass capacitors should be minimized. The
ground side of the bypass capacitor should be connected immediately
to ground plane.
2NC
Not connected.
3NC
Not connected.
4GND
Ground connection. For best performance, keep traces physically short
and connect immediately to ground plane.
5LO IN
LO input pin. This pin is internally DC-biased and should be
DC-blocked if connected to a device with a DC level present. The input
impedance is 50
Ω.
6GND
Ground connection. For best performance, keep traces physically short
and connect immediately to ground plane.
7RF OUT
RF output pin. This pin is internally DC-biased and should be
DC-blocked if connected to a device with a DC level present. This pin
must be externally matched for 50
Ω output impedance.
8VCC
Supply Voltage pin. External bypassing is required. Either a length of
transmission line or external inductor is needed between this pin and
the bypass capacitor for tuning the output to 50
Ω.
9NC
Not connected.
10
NC
Not connected.
11
GND
Ground connection. For best performance, keep traces physically short
and connect immediately to ground plane.
12
VCC
Supply Voltage pin. External bypassing is required. Either a length of
transmission line or external inductor is needed between this pin and
the bypass capacitor for tuning the mixer.
13
GND
Ground connection. For best performance, keep traces physically short
and connect immediately to ground plane.
14
IF IN
IF input pin. This pin is internally DC-biased and should be DC-blocked
if connected to a device with a DC level present.
15
NC
Not connected.
16
TX ENABLE TX enable pin.
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