công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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CA3020A bảng dữ liệu(PDF) 8 Page - Intersil Corporation |
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CA3020A bảng dữ liệu(HTML) 8 Page - Intersil Corporation |
8 / 9 page 8 PROCEDURES: Input Resistance Terminal 10 to Ground (RIN10). 1. Apply desired value of VCC1 and VCC2 and set S in Position 1. 2. Adjust 1kHz input for desired signal level of measurement 3. Adjust R for e2 = e1/2. 4. Record resulting value of R as RIN10. Input Resistance Terminal 3 to Ground (RIN3). 1. Apply desired value of VCC1 and VCC2 and set S in Position 2. 2. Adjust 1kHz input for desired signal level of measurement 3. Adjust R for e2 = e1/2. 4. Record resulting value of R as RIN3. FIGURE 10. MEASUREMENT OF INPUT RESISTANCE NOTE: Push-pull output transformer; load resistance (RL) should be selected to provide indicated collector-to-collector load impedance (RCC). PROCEDURES: Signal-to-Noise Ratio 1. Close S1 and S3; open S2. 2. Apply desired values of VCC1 and VCC2. 3. Adjust eIN for an amplifier output of 150mW and record re- sulting value of EOUT in dB as eOUT1 (reference value). 4. Open S1 and record resulting value of eOUT in dB as eOUT2 5. . Total Harmonic Distortion 1. Close S1 and S2; open S3. 2. Apply desired values of VCC1 and VCC2. 3. Adjust eIN for desired level amplifier output power. 4. Record Total Harmonic Distortion (THD) in %. FIGURE 11. MEASUREMENT OF SIGNAL-TO-NOISE RATIO AND TOTAL HARMONIC DISTORTION 3 8 2 10 3 +VCC2 +VCC1 9 SIGNAL SOURCE 5 µF e1 510k Ω 31 1kHz CA3020 CA3020A 5 µF 6 4 7 12 5 e2 1 µF R 1 2 1 2 5k Ω S 0.01 µF 3 8 4 2 6 7 10 3 +VCC2 5 +VCC1 9 SIGNAL SOURCE 5 µF 0.01 eIN 510 k Ω 31 12 µF 5 µF 3k Ω 1kHz CA3020 CA3020A RL 5 µF 5k Ω 600 Ω S1 DISTORTION ANALYZER BAND-PASS FILTER: 50Hz TO 15kHz eOUT RMS VOLTMETER S3 S2 T (NOTE) Signal-to-Noise Ratio S N ⁄ () 20log10 = eOUT1 eOUT2 -------------------- CA3020, CA3020A |
Số phần tương tự - CA3020A |
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Mô tả tương tự - CA3020A |
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