SA2400A Datasheet, PDF (25/34 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
15. PERFORMANCE CURVES
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)
SR02418
Figure 12. TX to RX switching time versus temperature
(V_DD = 3.3 V)
4.0
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
SUPPLY VOLTAGE, V_DD (V)
3.6
SR02419
Figure 13. TX to RX switching time versus supply voltage
(T_amb = 25 °C)
30
25
20
2.7V
15
2.85V
10
3V
3.3V
5
3.6V
0
–85
–75
–65
–55
INPUT POWER (dBm)
–45
SR02427
Figure 14. Noise Figure versus input power
30.5
30.0
29.5
29.0
28.5
28.0
27.5
–40
–15
10
35
TEMPERATURE (°C)
60
85
SR02420
Figure 15. RX residual sideband suppression versus
temperature (V_DD = 3.3 V)
32.5
32.0
31.5
31.0
30.5
30.0
29.5
29.0
28.5
2.7
3.0
3.3
SUPPLY VOLTAGE, V_DD (V)
3.6
SR02821
Figure 16. RX residual sideband suppression versus
supply voltage (T_amb = 25 °C)
0
–10
–20
–30
–40
–50
–60
9.50E+07
9.70E+07
9.90E+07 1.01E+08
FREQUENCY (Hz)
1.03E+08 1.05E+08
SR02822
Figure 17. Spectrum of RX sideband rejection at 4 MHz offset
2002 Nov 04
25