Texas Instruments 3138 155 232931 - Manual (Page 9)

CC2420
SWRS041B Page 9 of 89
6 Electrical Specifications
Measured on CC2420 EM with transmission line balun, T
A
= 25 °C, DVDD3.3 and VREG_IN = 3.3 V, internal
voltage regulator used if nothing else stated.
6.1 Overall
Parameter Min. Typ. Max. Unit Condition / Note
RF Frequency Range 2400 2483.5 MHz Programmable in 1 MHz steps, 5
MHz steps for compliance with [1]
6.2 Transmit Section
Parameter Min. Typ. Max. Unit Condition / Note
Transmit bit rate 250 250 kbps As defined by [1]
Transmit chip rate 2000 2000 kChips/s As defined by [1]
Nominal output power -3 0 dBm Delivered to a single ended 50 Ω
load through a balun.
[1] requires minimum –3 dBm
Programmable output power range 24 dB The output power is
programmable in 8 steps from
approximately –24 to 0 dBm.
Harmonics
2 nd harmonic
3 rd harmonic
-44
-64
dBm
dBm
Measured conducted with 1 MHz
resolution bandwidth on spectrum
analyser. At max output power
delivered to a single ended 50
Ω
load through a balun. See page
54.
Spurious emission
30 - 1000 MHz
1– 12.75 GHz
1.8 – 1.9 GHz
5.15 – 5.3 GHz
-56
-44
-56
-51 dBm
dBm
dBm
dBm
Maximum output power.
Complies with EN 300 328, EN
300 440, FCC CFR47 Part 15
and ARIB STD-T-66
Error Vector Magnitude (EVM) 11 % Measured as defined by [1]
[1] requires max. 35 %
Optimum load impedance 95
+ j187 Ω Differential impedance as seen
from the RF-port (RF_P and
RF_N
) towards the antenna. For
matching details see the Input /
Output Matching section on page
54.