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RF2860
Rev A9 DS050902
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Pin
Function
Type Description
Interface Schematic
1LNA GAIN
DI
Logic input. High activates LNA. Low selects LNA bypass mode.
2LNA IN
AI
US PCS LNA input.
KPCS LNA input.
GPS LNA input.
IMT-2000 LNA input.
3GND
P
Ground via within 0.2mm of pin required.
4LNA OUT
AO
PCS LNA output. Simple external L-C components required for
matching and VCC supply.
5ISET2
AI
External resistor required to set the mixer operating current.
6ISET1
AI
External resistor required to set the LNA operating current.
7
MIX IN
AI
KPCS mixer RF single-end input. Matched to 50
Ω.
USPCS mixer RF single-end input. Matched to 50
Ω.
GPS mixer RF single-end input. Matched to 50
Ω.
IMT-2000 mixer RF single-end input. Matched to 50
Ω.
8RF VCC
P
External capacitor and inductor placed close to package required.
9IF OUT+
AO
IF output. Open collector.
10
IF OUT-
AO
IF output. Open collector.
See pin 9.
11
GND
P
Ground.
12
LO IN
AI
LO single-end input. Matched to 50
Ω.
13
VCC
P
External bypass capacitor may be required.
14
LO OUT
AO
LO output. Internal DC block. Drives 50
Ω.
15
TX BUFF
ENAB
DI
Logic input. High enables TX LO output buffer amplifiers.
LNA GAIN
LNA IN
VCC
LNA OUT
LNA EMITTER
MIX IN
IF+
IF-
LO IN
70
Ω
TX BUFF
ENAB
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