R8C/3MQ Group 5. Electrical Characteristics
R01DS0044EJ0200 Rev.2.00 Page 46 of 47
Jun 29, 2012
Note:
1. Notes on FFC certification testing
When using 26 CH (2480 MHz), adjust the transmit power to meet the FCC requirements and standards at 2483.5 MHz.
Table 5.22 Transceiver Transmission Characteristics
(VCC = VCCRF = 3.3 V, Topr = 25°C, unless otherwise specified)
Parameter Condition
Standard
IEEE802.15.4
standard
Unit
Min. Typ. Max.
Internal voltage — 1.45 — — V
Nominal output power –3 0 3 –3 or more dBm
Transmit bit rate — 250 — 250 kbps
Transmit chip rate — 2000 — 2000 kchips/s
Programmable output power range 32 steps — 32 — 32 steps dB
Harmonics 2nd harmonics External notch filter — — –47.2 –41.2 or less dBm
3rd harmonics — — –47.2 —
Spurious emission 30 – 88 MHz Maximum output power,
Renesas evaluation board
— — –55.2 FCC dBm
88 – 216 MHz — — –51.7 FCC
216 – 960 MHz — — –49.2 FCC
960 – 1000 MHz — — –41.2 FCC
1 – 12.75 GHz — — –41.2
FCC
(1)
1.8 – 1.9 GHz — — –47 ETSI
5.15 – 5.3 GHz — — –47 ETSI
Error vector magnitude EVM 1000 chips — — 35 35 or less %
Power spectral
density
Absolute limit |f-fc| > 3.5 MHz — — –30 –30 or less dBm
Relative limit |f-fc| > 3.5 MHz — — –20 –20 or less dB
Frequency tolerance Including crystal ±20 ppm –40 — 40 Within
±40 ppm
Table 5.23 Transceiver Reception Characteristics
(VCC = VCCRF = 3.3 V, Topr = 25°C, unless otherwise specified)
Parameter Condition
Standard
IEEE802.15.4
standard
Unit
Min. Typ. Max.
Internal voltage — 1.45 — — V
RF input frequency 2405 — 2480 Min. 2405/
Max. 2480
MHz
Receiver sensitivity PER = 1%
PSDU
Length = 20 octets
Interframe spacing
12 symbols
(IEEE802.15.4
minimum spacing)
— –95 –85 –85 or less dBm
Maximum input level PER = 1% 0 — — –20 or more dBm
Adjacent channel
rejection
+5 MHz PER = 1%
Prf = –82 dBm
0 — — 0 or more dB
–5 MHz 0 — —
Alternate channel
rejection
+10 MHz PER = 1%
Prf= –82 dBm
30 — — 30 or more dB
–10 MHz 30 — —
Rejection > +15 MHz PER = 1%
Prf= –82 dBm
30 — — — dB
< –15 MHz 30 — —
Spurious emission 30 – 1000 MHz Renesas evaluation board — — –57 ETSI EN300/328 dBm
1 – 12.75 GHz — — –47
Symbol error tolerance –80 — 80
±40 or more
(
±80 for the total of
transmission and
reception)
ppm
RSSI range Prf (min) = –75 dBm 40 75 — 40 or more dB
RSSI accuracy Prf = –75 to –35 dBm –6 — 6 Within
±6dB