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