SA2400A Datasheet, PDF (26/34 Pages) NXP Semiconductors – Single chip transceiver for 2.45 GHz ISM band

Philips Semiconductors
Single chip transceiver for 2.45 GHz ISM band
Product data
SA2400A
Figure 18. TX ramp-up (1 µs/div).
SR02460
25
LOW
HIGH
20
15
10
5
–85 –80 –75 –70 –65 –60 –55 –50 –45 –40
Pin (dBm)
SR02461
Figure 19. Noise Figure vs. input power
for two LNA switching modes.
12
10
8
6
4
2
0
–40
–15
10
35
TEMPERATURE (°C)
60
85
SR02423
Figure 20. Transmitter error vector magnitude (EVM) versus
temperature (V_DD = 3.3 V).
12.2
12.0
11.8
11.6
11.4
11.2
11.0
10.8
2.7
3.0
3.3
SUPPLY VOLTAGE, V_DD (V)
3.6
SR02824
Figure 21. Transmitter error vector magnitude (EVM) versus
supply voltage (T_amb = 25 °C).
3.5
3.0
2.5
2.0
1.5
1.0
FREQ. (µs)
0.5
P_out (µs)
0
–40
–15
10
35
60
85
TEMPERATURE (°C)
SR02425
Figure 22. RX to TX switching time versus temperature
(V_DD = 3.3 V).
3.5
3.0
2.5
2.0
1.5
1.0
FREQ. (µs)
0.5
P_out (µs)
0
2.7
3.0
3.3
3.6
SUPPLY VOLTAGE, V_DD (V)
SR02426
Figure 23. RX to TX switching time versus supply voltage
(T_amb = 25 °C).
2002 Nov 04
26