169 to 170 MHz Transmit/Receive Front-end Module

The SKY66100-11 is a high performance, transmit/receive (T/R) Front-End Module (FEM). The device includes a Power Amplifier (PA) capable of more than +24 dBm of transmit output power (VCC = 3.6 V) at more than 50 percent PAE for the module (60 percent for the standalone PA). For current-sensitive applications, the PA can be bypassed to save battery current.

All functionality can be controlled by a three-wire interface. The FEM can be placed in a deep “sleep” mode, drawing less than 1 μA of current.

The receive chain consists of a low-loss Single-Pole, Triple-Throw (SP3T) switch, which provides an insertion loss of approximately 0.4 dB. Three separate VCC pins enable maximum RF isolation.

The SKY66100-11 is packaged in a 16-pin, 4 x 4 mm Multi-Chip Module (MCM), which allows for a highly manufacturable low-cost solution.

Reference Design(s):



    • Transmit output power: >+24 dBm
    • High efficiency PA
    • Receive loss: <0.4 dB
    • Transmit bypass mode with 0.4 dB insertion loss
    • Sleep mode current: < 1 μA
    • Integrated control logic
    • Small footprint MCM (16-pin, 4 x 4 mm) package (MSL3, 260 °C per JEDEC J-STD-020)

Images & Diagrams


    • RF Frequency (MHz)
    • 169-170
    • Rx Insertion Loss (dB) Typ.
    • 0.4
    • Rx Gain (dB) Typ.
    • -0.5
    • Tx Gain (dB)
    • 30
    • Rx NF (dB) Typ.
    • Saturated Output Power (dBm) Typ.
    • 24
    • Supply Voltage (V)
    • 2.0-3.6
    • Package
    • MCM, 16-pin
    • Package (mm)
    • 4 x 4 x 0.9

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