15.15.4 Receiver Characteristics
Test Conditions (unless otherwise stated):
VDD = 3.0V, fRF = 914MHz, TOP = +25°C, Measurement setup in Basic Application Schematic.
| Symbol | Parameter | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| PSENS | Receiver sensitivity | fRF= 868.3MHz | ||||
| BPSK-20(1)(3) | -110 | dBm | ||||
| OQPSK-SIN-RC-100(1)(4) | -101 | dBm | ||||
| OQPSK-SIN-RC-200(2) | -99 | dBm | ||||
| OQPSK-SIN-RC-400(2) | -91 | dBm | ||||
| OQPSK-RC-100(1) | -102 | dBm | ||||
| OQPSK-RC-200(2) | -100 | dBm | ||||
| OQPSK-RC-400(2) | -97 | dBm | ||||
| fRF= 914MHz | ||||||
| BPSK-40(1)(3) | -108 | dBm | ||||
| OQPSK-SIN-250(1)(4) | -100 | dBm | ||||
| OQPSK-SIN-500(2) | -98 | dBm | ||||
| OQPSK-SIN-1000(2) | -93 | dBm | ||||
| fRF= 782MHz | ||||||
| OQPSK-RC-250(1)(5) | -101 | dBm | ||||
| OQPSK-RC-500(2) | -99 | dBm | ||||
| OQPSK-RC-1000(2) | -95 | dBm | ||||
| RLRX | RX Return loss | 100Ω differential impedance | 12 | dB | ||
| NF | Noise figure | 7 | dB | |||
| PRX_MAX | Maximum RX input level(1) | 7 | 10 | dBm | ||
| PCRSB20 |
Channel rejection/selectivity: BPSK-20(3) |
fRF= 868.3MHz | ||||
| PRF= -89dBm(1) | ||||||
| -2MHz | 39 | dB | ||||
| -1MHz | 33 | dB | ||||
| +1MHz | 19 | dB | ||||
| +2MHz | 39 | dB | ||||
| PCRSO100 |
Channel rejection/selectivity: OQPSK-SIN-RC-100(4) |
fRF= 868.3MHz | ||||
| PRF= -82dBm(1) | ||||||
| -2MHz | 35 | dB | ||||
| -1MHz | 24 | dB | ||||
| +1MHz | 17 | dB | ||||
| +2MHz | 35 | dB | ||||
| PACRB40 |
Adjacent channel rejection: BPSK-40(3) |
PRF= -89dBm(1) | ||||
| -2MHz | 38 | dB | ||||
| +2MHz | 38 | dB | ||||
| PAACRB40 |
Alternate channel rejection: BPSK-40(3) |
PRF= -89dBm(1) | ||||
| -4MHz | 56 | dB | ||||
| +4MHz | 56 | dB | ||||
| PACROS250 |
Adjacent channel rejection: OQPSK-SIN-250(4) |
PRF= -82dBm(1) | ||||
| -2MHz | 30(6) | dB | ||||
| +2MHz | 30(6) | dB | ||||
| PAACROS250 |
Alternate channel rejection: OQPSK-SIN-250(4) |
PRF= -82dBm(1) | ||||
| -4MHz | 47(6) | dB | ||||
| +4MHz | 47(6) | dB | ||||
| PACROR250 |
Adjacent channel rejection: OQPSK-RC-250(5) |
PRF= -82dBm(1) | ||||
| -2MHz | 32 | dB | ||||
| +2MHz | 32 | dB | ||||
| PAACROR250 |
Alternate channel rejection: OQPSK-RC-250(5) |
PRF= -82dBm(1) | ||||
| -4MHz | 50 | dB | ||||
| +4MHz | 50 | dB | ||||
| RXBL | Blocking | fRF= 868.3MHz | ||||
| Refer to ETSI EN 300 220-1 PRF= -90dBm(1) | ||||||
| BPSK-20, ±2MHz | 38 | dB | ||||
| BPSK-20, ±10MHz | 71 | dB | ||||
| OQPSK-SIN-RC-100, ±2MHz | 34 | dB | ||||
| OQPSK-SIN-RC-100, ±10MHz | 68 | dB | ||||
| PSPUR_RX | Spurious emissions | LO leakage | -71 | dBm | ||
| 30 – ≤ 1000MHz | -57 | dBm | ||||
| >1 – 12.75GHz | -47 | dBm | ||||
| IIP3 | 3rd– order intercept point |
868.3MHz, at maximum gain Offset freq. interf. 1 = 2MHz Offset freq. interf. 2 = 4MHz |
-12 | dBm | ||
| IIP2 | 2nd– order intercept point |
868.3MHz, at maximum gain Offset freq. interf. 1 = 3MHz Offset freq. interf. 2 = 4MHz |
25 | dBm | ||
| RSSITOL | RSSI tolerance | Tolerance within gain step | ±6 | dB | ||
| RSSIRANGE | RSSI dynamic range | 87 | dB | |||
| RSSIRES | RSSI resolution | 3.1 | dB | |||
| RSSIBASE_VAL | RSSI sensitivity | Defined as RSSI_BASE_VAL | ||||
| BPSK with 300kchips/s | -100 | dBm | ||||
| BPSK with 600kchips/s | -99 | dBm | ||||
| O-QPSK with 400kchips/s, SIN and RC-0.2 shaping | -98 | dBm | ||||
| O-QPSK with 400kchips/s, RC-0.2 shaping | -98 | dBm | ||||
| O-QPSK with 1000kchips/s, SIN shaping | -98 | dBm | ||||
| O-QPSK with 1000kchips/s, RC-0.8 shaping | -97 | dBm | ||||
| RSSIMIN | Minimum RSSI value | PRF≤ RSSI_BASE_VAL | 0 | |||
| RSSIMAX | Maximum RSSI value | PRF≥ RSSI_BASE_VAL + 87dB | 28 |
- AWGN channel, PER ≤ 1%, PSDU length 20 octets.
- AWGN channel, PER ≤ 1%, PSDU length 127 octets.
- Compliant to [1].
- Compliant to [2].
- Compliant to [4].
- Channel rejection is limited by modulation side lobes of interfering signal.