Data Sheet

LJ1269HC
Rev1.0 Page 13 Web: www.ljelect.com
IIP3
3rd order Input Intercept point
Unwanted tones are 1MHz and
1.995 MHz above the LO
Lowest LNA gain
Highest LNA gain
-
-23
+20
-18
-
-
dBm
dBm
BW _SSB
Single Side channel filter BW
Programmable
2.6
-
500
kHz
IMR_OOK
Image rejection in OOK mode
Wanted signal level = -106 dBm
27
30
-
dB
TS_RE
Receiver wake-up time, from PLL
locked state to RxReady
RxBw = 10 kHz, BR = 4.8 kb/s
RxBw = 200 kHz, BR = 100 kb/s
-
-
1.7
96
-
-
ms
us
TS_RE_AGC
Receiver wake-up time, from PLL
locked state, AGC enabled
RxBw = 10 kHz, BR = 4.8 kb/s
RxBw = 200 kHz, BR = 100 kb/s
-
3.0
163
ms
us
TS_RE_AGC
&AFC
Receiver wake-up time, from PLL
lock state, AGC and AFC enabled
RxBw = 10 kHz, BR = 4.8 kb/s
RxBw = 200 kHz, BR = 100 kb/s
4.8
265
ms
us
TS_FEI
FEI sampling time
Receiver is ready
-
4.Tbit
-
-
TS_AFC
AFC Response Time
Receiver is ready
-
4.Tbit
-
-
TS_RSSI
RSSI Response Time
Receiver is ready
-
2.Tbit
-
-
DR_RSSI
RSSI Dynamic Range
AGC enabled Min
Max
-
-
-115
0
-
-
dBm
dBm
Set SensitivityBoost in RegTestLna to 0x2D to reduce the noise floor in the receiver
2.3.4. Transmitter
Table 7 Transmitter Specification
Symbol
Description
Conditions
Min
Typ
Max
Unit
RF_OP
RF output power in 50 ohms On RFIO pin
Programmable with 1dB steps
-
-
+20
-18
-
-
dBm
dBm
RF_OPH
Max RF output power, on PA_BOOST pin
With external match to 50 ohms
-
+20
-
dBm
ΔRF_OP
RF output power stability
From VDD=2.4V to 3.6V
-
+/-0.3
-
dB
PHN
Transmitter Phase Noise
50 kHz Offset from carrier
868 / 915 MHz bands
434 / 315 MHz bands
-
-
-95
-99
-
-
dBc/
Hz
ACP
Transmitter adjacent channel power
(measured at 25 kHz off- set)
BT=0.5 . Measurement conditions
as defined by EN 300 220-1 V2.1.1
-
-
-37
dBm
TS_TR
Transmitter wake up time, to the first rising
edge of DCLK
Frequency Synthesizer enabled,
PaRamp = 10 us, BR = 4.8 kb/s.
-
120
-
us
Sub GHz FSK/OOK Transceiver Module DATASHEET