參數(shù)資料
型號: MC13158
廠商: Motorola, Inc.
英文描述: WIDEBAND FM IF SUBSYSTEM FOR DECT AND DIGITAL APPLICATIONS
中文描述: 寬頻帶調(diào)頻中頻DECT和數(shù)字應(yīng)用子系統(tǒng)
文件頁數(shù): 20/24頁
文件大小: 394K
代理商: MC13158
MC13158
20
MOTOROLA ANALOG IC DEVICE DATA
Figure 25. S+N+D, N+D, N
versus Input Signal Level (without preamp)
–120
10
S
RF INPUT SIGNAL (dBm)
0
–10
– 20
– 30
– 40
– 50
– 60
–100
– 80
– 60
– 40
– 20
0
–70
VS = 3.0 Vdc
fdev =
±
125 kHz
fmod = 1.0 kHz
fRF = 112 MHz
IF 3.0 dB BW = 280 kHz
N+D
N
S+N+D
Figure 26. S+N+D, N+D, N versus
Input Signal Level (with preamp)
–120
10
RF INPUT SIGNAL (dBm)
0
–10
– 20
– 30
– 40
– 50
– 60
–100
– 80
– 60
– 40
– 20
0
Figure 27. Input IP3, 1.0 dB Compression Pt. Test Setup
– 50
–10
RF INPUT SIGNAL LEVEL (dBm)
– 20
– 30
– 40
– 50
– 60
–70
– 80
– 40
– 30
– 20
N +D
N
S+N+D
–70
S
VS = 3.0 Vdc
fdev =
±
125 kHz
fmod = 1.0 kHz
fRF = 112 MHz
IF 3.0 dB BW = 280 kHz
– 60
1.0 dB Comp. Pt. = –39 dBm
IP3 = –32 dBm
VS = 3.5 Vdc
fRF1 = 112 kHz
fRF2 = 112.1 kHz
fLO = 122.7 MHz
PLO = –6.0 dBm
See Figure 27
S
50
50
112.1 MHz
112 MHz
100 p
MIXER
0.8–10 p
100 p
47
To
Spectrum
Analyzer
FET Probe
TEK P6201
fLO – 122.7 MHz @ –6.0 dBm
Mini–Circuits ZSFC–4
4 Way Zero Degree
Combiner
Local
Oscillator
HP8657B
G3 = 18 dB
NF3 = 14 dB
270
Figure 28. –1.0 dB Compression Pt. and Input
Third Order Intercept
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