參數(shù)資料
型號: MC2800
廠商: Motorola, Inc.
英文描述: FSK FM IF Receiver(FSK FM IF 接收器)
中文描述: FSK信號調(diào)頻(FSK信號調(diào)頻中頻接收器中頻接收機)
文件頁數(shù): 18/28頁
文件大?。?/td> 473K
代理商: MC2800
MC2800
18
MOTOROLA RF/IF DEVICE DATA
CH1 S11 FScI 1 U
2.1227 k –2.6703 k
3.3297 pF
IF BW 40 kHz
Start 15 MHz
Power 0 dBm
SWP 70 ms
Stop 30 MHz
Cor
17.9 MHz
Figure 7. Input Impedence of MC2800 Mixer with Frequency Range 15 to 30 MHz
Table 2. Mixer Gain (with Matching Circuit)
Mixer
Input (dBm)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
Mixer Voltage
Gain (dBm)
21.5
19.6
18.6
18
17.8
17.6
17.7
17.8
17.6
17.4
12.6
3.0
Mixer Power
Gain (dBm)
6.7
4.75
3.83
3.21
3.0
2.79
2.9
2.99
2.87
2.64
–2.16
–11.7
–20
–10
0
10
20
30
40
50
–10
–20
–30
–40
–50
–60
–70
–80
INPUT AT MIXER (dBm)
–90
–100
–110
–120
G
VCC = 1.4 V
0
–120
0.2
0.4
0.6
0.8
1.0
1.2
1.4
–10
–20
–30
–40
–50
–60
–70
–80
INPUT AT MIXER (dBm)
–90
–100
–110
VCC = 1.4 V
R
Figure 8. 1st IF Amplifier Voltage Gain
Figure 9. RSSI Output versus Mix In
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