Specifications

Page 14
WT1231H
IIP3
3rd order Input Intercept point
Unwa
nted tones are 1MHz and
1.995 MHz above the LO
Lowest LNA gain
Highe
st 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.T
bit
- -
TS_AFC AFC Response Time Receiver is ready -
4.T
bit
- -
TS_RSSI RSSI Response Time Receiver is ready -
2.T
bit
- -
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
Programma
ble with 1dB steps Max
Min
-
-
+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