參數(shù)資料
型號(hào): μPC2794GS
廠商: NEC Corp.
英文描述: Frequency Down Converter For VHF To UHF Band TV/VCR Tuner(下變頻芯片)
中文描述: 頻率下轉(zhuǎn)換為高頻超高頻波段電視/錄像機(jī)調(diào)諧器(下變頻芯片)
文件頁(yè)數(shù): 5/6頁(yè)
文件大?。?/td> 38K
代理商: ΜPC2794GS
2SC4183
5
V
CE
= 10 V, I
C
= 3 mA
Frequency
MHz
S11
S21
S12
S22
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
100.00
200.00
300.00
400.00
500.00
600.00
700.00
800.00
900.00
1000.00
1100.00
1200.00
1300.00
1400.00
1500.00
1600.00
1700.00
1800.00
1900.00
2000.00
0.822
0.630
0.492
0.420
0.385
0.365
0.351
0.346
0.347
0.363
0.382
0.389
0.392
0.396
0.413
0.429
0.446
0.461
0.471
0.488
–48.8
–82.1
–106.6
–125.1
–140.6
–154.9
–167.7
–177.4
174.8
167.3
159.7
151.2
145.0
140.4
136.7
132.8
128.0
124.2
120.8
117.5
7.517
5.516
4.122
3.247
2.722
2.325
2.046
1.838
1.608
1.460
1.330
1.242
1.167
1.046
0.978
0.901
0.835
0.815
0.776
0.752
141.7
119.0
103.7
94.5
87.1
82.5
75.2
70.4
65.1
60.5
57.4
52.5
48.1
44.4
38.9
38.8
35.6
34.2
31.1
26.5
0.021
0.028
0.035
0.037
0.040
0.044
0.047
0.053
0.055
0.062
0.066
0.071
0.080
0.084
0.093
0.098
0.106
0.116
0.124
0.136
67.7
54.9
49.8
52.1
52.4
58.0
59.4
62.9
67.3
68.2
71.9
73.3
75.4
76.9
77.1
80.5
79.9
82.3
81.3
79.4
0.947
0.877
0.829
0.818
0.788
0.799
0.799
0.809
0.810
0.802
0.789
0.762
0.754
0.737
0.751
0.744
0.753
0.750
0.732
0.724
–6.9
–7.9
–8.8
–7.7
–6.9
–6.8
–6.2
–7.5
–8.3
–10.8
–11.6
–12.6
–12.2
–12.1
–12.1
–12.4
–14.6
–15.1
–17.0
–18.3
V
CE
= 10 V, I
C
= 10 mA
Frequency
MHz
S11
S21
S12
S22
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
100.00
200.00
300.00
400.00
500.00
600.00
700.00
800.00
900.00
1000.00
1100.00
1200.00
1300.00
1400.00
1500.00
1600.00
1700.00
1800.00
1900.00
2000.00
0.548
0.564
0.577
0.590
0.610
0.620
0.618
0.615
0.607
0.637
0.656
0.661
0.664
0.658
0.667
0.676
0.684
0.686
0.692
0.706
–170.0
177.7
171.6
167.1
161.5
155.9
149.2
145.5
142.8
139.7
136.1
130.0
125.7
122.6
119.9
117.1
113.5
110.6
108.2
105.7
0.710
0.341
0.218
0.151
0.116
0.096
0.082
0.077
0.070
0.071
0.071
0.075
0.082
0.086
0.095
0.102
0.113
0.123
0.132
0.144
84.2
67.9
57.1
51.7
48.8
50.6
51.5
55.3
62.0
66.2
73.1
76.3
80.9
83.9
84.9
89.0
89.6
90.6
89.2
87.6
0.009
0.012
0.015
0.018
0.023
0.028
0.034
0.042
0.047
0.056
0.063
0.069
0.080
0.086
0.098
0.105
0.116
0.127
0.136
0.148
55.6
63.9
67.5
79.0
82.7
89.0
90.7
93.8
95.9
95.0
96.1
97.0
97.8
97.9
96.1
97.5
95.4
96.2
94.0
91.6
0.930
0.925
0.907
0.909
0.879
0.892
0.887
0.895
0.890
0.875
0.856
0.819
0.803
0.780
0.786
0.772
0.773
0.765
0.744
0.731
–2.0
–3.0
–5.3
–5.7
–6.2
–7.3
–7.4
–9.5
–10.7
–13.9
–15.0
–16.3
–16.3
–16.4
–16.5
–16.9
–18.9
–19.5
–21.2
–22.2
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