RL78/G1H CHAPTER 31 ELECTRICAL SPECIFICATIONS
R01UH0575EJ0120 Rev. 1.20 Page 902 of 920
Dec 22, 2016
31.7.6 Transceiver transmission characteristics
Caution Variable step size and variable range may vary depending on the maximum transmission output level setting.
(TA = 25 °C, VDDRF =3.0 V, VSSRF = 0 V) (2/2)
Parameter Conditions MIN. TYP. MAX. Unit
Suppression
ratio
±2 MHz Desired signal 3 dB above the input sensitivity
level, CW interferer, BER < 0.1%
—48—dB
±10 MHz — 60 — dB
±60 MHz — 60 — dB
Image suppression ratio Desired signal 3 dB above the input sensitivity
level, CW interferer, -2* if frequency offset
—25—dB
(TA = 25 °C, VDDRF =3.0 V, VSSRF = 0 V)
Parameter Conditions MIN. TYP. MAX. Unit
Maximum transmission output power 3.6 V
≥
V
DDRF > 2.4 V
14.5 15.3 — dBm
2.4 V
≥
V
DDRF
≥
1.8 V
— 13.0 — dBm
Minimum transmission output power — ‒14.0 — dBm
Variable step size Within 6 dB from maximum output
power (
3.6 V
≥
V
DDRF
> 2.4 V).
—0.5—dB
Transmission output power variation
(Power supply voltage variation,
temperature variation)
3.6 V
≥
V
DDRF
≥
1.8 V
‒40 to 85 °C
‒1.5 — 1.5 dB
High frequency 2nd order harmonics At +13 dBm output — — ‒33.0 dBm
At +14.5 dBm output — — ‒31.5 dBm
3rd order harmonics At +13 dBm output — — ‒33.0 dBm
At +14.5 dBm output — — ‒31.5 dBm