Datasheet 2N5457, 2N5458 (ON Semiconductor) - 3
| 制造商 | ON Semiconductor |
| 描述 | JFETs - General Purpose |
| 页数 / 页 | 5 / 3 — 2N5457, 2N5458. TYPICAL CHARACTERISTICS. For 2N5457 Only. Figure 1. Noise … |
| 修订版 | 6 |
| 文件格式/大小 | PDF / 142 Kb |
| 文件语言 | 英语 |
2N5457, 2N5458. TYPICAL CHARACTERISTICS. For 2N5457 Only. Figure 1. Noise Figure versus Source Resistance
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2N5457, 2N5458 TYPICAL CHARACTERISTICS For 2N5457 Only
14 V 12 DS = 15 V VGS = 0 f = 1 kHz 10 8 6 , NOISE FIGURE (dB) NF 4 2 00.001 0.01 0.1 1.0 10 RS, SOURCE RESISTANCE (Megohms)
Figure 1. Noise Figure versus Source Resistance
1.2 1.2 VGS(off) ^ -1.2 V V V GS = 0 V GS(off) ^ -1.2 V 1.0 1.0 (mA) (mA) 0.8 -0.2 V 0.8 VDS = 15 V 0.6 0.6 -0.4 V 0.4 0.4 , DRAIN CURRENT , DRAIN CURRENT D -0.6 V D I I 0.2 -0.8 V 0.2 -1.0 V 0 0 0 5 10 15 20 25 -1.2 -0.8 -0.4 0 VDS, DRAIN-SOURCE VOLTAGE (VOLTS) VGS, GATE-SOURCE VOLTAGE (VOLTS)
Figure 2. Typical Drain Characteristics Figure 3. Common Source Transfer Characteristics http://onsemi.com 3
14 V 12 DS = 15 V VGS = 0 f = 1 kHz 10 8 6 , NOISE FIGURE (dB) NF 4 2 00.001 0.01 0.1 1.0 10 RS, SOURCE RESISTANCE (Megohms)
Figure 1. Noise Figure versus Source Resistance
1.2 1.2 VGS(off) ^ -1.2 V V V GS = 0 V GS(off) ^ -1.2 V 1.0 1.0 (mA) (mA) 0.8 -0.2 V 0.8 VDS = 15 V 0.6 0.6 -0.4 V 0.4 0.4 , DRAIN CURRENT , DRAIN CURRENT D -0.6 V D I I 0.2 -0.8 V 0.2 -1.0 V 0 0 0 5 10 15 20 25 -1.2 -0.8 -0.4 0 VDS, DRAIN-SOURCE VOLTAGE (VOLTS) VGS, GATE-SOURCE VOLTAGE (VOLTS)
Figure 2. Typical Drain Characteristics Figure 3. Common Source Transfer Characteristics http://onsemi.com 3