Preliminary 860-930 MHz RF Front-End Module
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Data Sheet
GC1109
Features
⚫ Integrated PA with +30 dBm output
power
⚫ Integrated LNA with noise figure of
2dB, typical
⚫ Alternate TX input pin simplifies
connection to any SoC
⚫ Transmit bypass path with low loss:
< 1.0 dB
⚫ Single-ended 50 Ω input and output
ports
⚫ Fast turn-on/turn-off time: < 2 μs Rx
mode and < 4 μs Tx mode
⚫ Supply voltage on VCC up to 4V
⚫ Sleep mode current: < 1 μA
⚫ MCM (16-pin, 3.0 x 3.0 x 0.75 mm)
NiPdAu plated package
Applications
⚫ LP-WAN devices
⚫ Internet of Things
⚫ Smart meters
⚫ Industrial applications
⚫ Range extender
Product Highlights
⚫ High output power
⚫ Integrated PA output match
Description
The GEO chip GC1109 is a high-performance,
highly integrated RF front-end module designed for
high-power Industrial, Scientific, Medical (ISM)
band applications operating in the 860 to 930 MHz
frequency range.
The GC1109 is designed for ease of use and
maximum flexibility with fully matched 50 Ω TX and
RX inputs and antenna outputs, and digital controls
compatible with 1.2 to 3.6 V CMOS levels.
The GC1109 is packaged in a 16-pin, 3.0 x 3.0 x
0.75 mm Multi-Chip Module (MCM) package.
Geo-chip Green™ products are
compliant with all applicable
legislation and are halogen-free.
TX
RX
TX_ALT
PA
_OUT
LNA
_IN
RX
_FLT
TX
_IN
ANT
PA
LNA
Logic Control
CPS
CTX
CSD
Output
Match
Figure 1. GC1109 Block Diagram