MRF89XAM8A Datasheet, PDF (27/34 Pages) Microchip Technology – 868 MHz Ultra-Low Power

MRF89XAM8A
TABLE 4-6: TRANSMITTER AC CHARACTERISTICS⁽¹⁾
Symbol
Description
Min Typ Max
RFOP RF Output Power, Programmable — +12.5 —
with 8 Steps of typ. 3 dB
—
-8.5
—
PN
Phase Noise
—
-112
—
TXSP
Transmitted Spurious
—
—
-47
Tx2
Tx3
Tx4
Txn
FSKDEV
TSTWF
Second Harmonic
Third Harmonic
Fourth Harmonic
Harmonics above Tx4
FSK Deviation
Transmitter Wake-up Time
—
—
-40
±33 ±55 ±200
—
120
500
Unit
dBm
dBm
Condition
Maximum power setting
Minimum power setting
dBc/Hz Measured with a 600 kHz
offset at the transmitter output
dBc At any offset between 200 kHz
and 600 kHz, unmodulated
carrier, f_dev = 50 kHz
No modulation, see Note⁽²⁾
dBm
kHz
Programmable
µs
From FS to Tx ready
TSTWS
Transmitter Wake-up Time
—
600
900
µs
From Stand-by to Tx ready
Note 1: Guaranteed by design and characterization.
2: Transmitter in-circuit performance with SAW filter and crystal.
© 2010 Microchip Technology Inc.
Preliminary
DS70651A-page 25