助您节省时间的放大器设计参考指南

ڇटဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ ۉፆሀࡪსሯำࠅ๕CLOSED-LOOP BW= fCLBA VN, R1 R1R34kTR34kTR1VN, R3 IN+IN– VN 4kTR2 VN, R2 R2 NOISE GAIN = GAIN FROM “A” TO OUTPUT = NG = 1 + R2 R1 VOUT GAIN FROM “B” TO OUTPUT = – R2 R1 RTI NOISE = BW × VN2 + 4kTR3 + 4kTR1 R2 R1 + R2 2 + IN+2 R32 + IN–2 R1 × R2 R1 + R2 2 + 4kTR2 R1 R1 + R2 2 RTO NOISE = NG × RTI NOISE RTI = ችࢇڟ๼෇܋ RTO = ችࢇڟ๼؜܋ BW = 1.57 fCL GAIN (dB) 6dB/OCTAVE ROLL-OFF LOOP GAIN OPEN- LOOP GAIN CLOSED- LOOP GAIN NOISE GAIN CLOSED-LOOP BANDWITH LOG FREQUENCY RESISTANCE (훀) 10,000 1000 10 1 0 10 1k 100k 10M100 10k 1M 100M 100en at 25°C nV Hz ُت: VR = ۉፆሀࡪსሯำೕ೷௢܈ k = հܻጦத׉ຕ (1.38 × 10–23 J/K) T = ਸܻ࿔ਨܔ࿒܈ R = ۉፆኵ(Ohms) B = ټ੻(Hz)= 4kTRBVR 25°C้Lj4kT = 1.65 × 10–20 W/HzLj ᅺُLjVR = 1.65 × 10–20RB ڇटဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ ۉፆሀࡪსሯำࠅ๕CLOSED-LOOP BW= fCLBA VN, R1 R1R34kTR34kTR1VN, R3 IN+IN– VN 4kTR2 VN, R2 R2 NOISE GAIN = GAIN FROM “A” TO OUTPUT = NG = 1 + R2 R1 VOUT GAIN FROM “B” TO OUTPUT = – R2 R1 RTI NOISE = BW × VN2 + 4kTR3 + 4kTR1 R2 R1 + R2 2 + IN+2 R32 + IN–2 R1 × R2 R1 + R2 2 + 4kTR2 R1 R1 + R2 2 RTO NOISE = NG × RTI NOISE RTI = ችࢇڟ๼෇܋ RTO = ችࢇڟ๼؜܋ BW = 1.57 fCL GAIN (dB) 6dB/OCTAVE ROLL-OFF LOOP GAIN OPEN- LOOP GAIN CLOSED- LOOP GAIN NOISE GAIN CLOSED-LOOP BANDWITH LOG FREQUENCY RESISTANCE (훀) 10,000 1000 10 1 0 10 1k 100k 10M100 10k 1M 100M 100en at 25°C nV Hz ُت: VR = ۉፆሀࡪსሯำೕ೷௢܈ k = հܻጦத׉ຕ (1.38 × 10–23 J/K) T = ਸܻ࿔ਨܔ࿒܈ R = ۉፆኵ(Ohms) B = ټ੻(Hz)= 4kTRBVR 25°C้Lj4kT = 1.65 × 10–20 W/HzLj ᅺُLjVR = 1.65 × 10–20RB √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R 常用电容值 pF pF pF pF µF µF µF µF µF µF µF 1.0 10 100 1000 0.01 0.1 1.0 10 100 1000 10,000 1.1 11 110 1100 1.2 12 120 1200 1.3 13 130 1300 1.5 15 150 1500 0.015 0.15 1.5 15 150 1500 1.6 16 160 1600 1.8 18 180 1800 2.0 20 200 2000 2.2 22 220 2200 0.022 0.22 2.2 22 220 2200 2.4 24 240 2400 2.7 27 270 2700 3.0 30 300 3000 3.3 33 330 3300 0.033 0.33 3.3 33 330 3300 3.6 36 360 3600 3.9 39 390 3900 4.3 43 430 4300 4.7 47 470 4700 0.047 0.47 4.7 47 470 4700 5.1 51 510 5100 5.6 56 560 5600 6.2 62 620 6200 6.8 68 680 6800 0.068 0.68 6.8 68 680 6800 7.5 75 750 7500 8.2 82 820 8200 9.1 91 910 9100 助您节省时间的放大器设计参考指南 ڇटဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ ۉፆሀࡪსሯำࠅ๕CLOSED-LOOP BW= fCLBA VN, R1 R1R34kTR34kTR1VN, R3 IN+IN– VN 4kTR2 VN, R2 R2 NOISE GAIN = GAIN FROM “A” TO OUTPUT = NG = 1 + R2 R1 VOUT GAIN FROM “B” TO OUTPUT = – R2 R1 RTI NOISE = BW × VN2 + 4kTR3 + 4kTR1 R2 R1 + R2 2 + IN+2 R32 + IN–2 R1 × R2 R1 + R2 2 + 4kTR2 R1 R1 + R2 2 RTO NOISE = NG × RTI NOISE RTI = ችࢇڟ๼෇܋ RTO = ችࢇڟ๼؜܋ BW = 1.57 fCL GAIN (dB) 6dB/OCTAVE ROLL-OFF LOOP GAIN OPEN- LOOP GAIN CLOSED- LOOP GAIN NOISE GAIN CLOSED-LOOP BANDWITH LOG FREQUENCY RESISTANCE (훀) 10,000 1000 10 1 0 10 1k 100k 10M100 10k 1M 100M 100en at 25°C nV Hz ُت: VR = ۉፆሀࡪსሯำೕ೷௢܈ k = հܻጦத׉ຕ (1.38 × 10–23 J/K) T = ਸܻ࿔ਨܔ࿒܈ R = ۉፆኵ(Ohms) B = ټ੻(Hz)= 4kTRBVR 25°C้Lj4kT = 1.65 × 10–20 W/HzLj ᅺُLjVR = 1.65 × 10–20RB ڇटဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ ۉፆሀࡪსሯำࠅ๕CLOSED-LOOP BW= fCLBA VN, R1 R1R34kTR34kTR1VN, R3 IN+IN– VN 4kTR2 VN, R2 R2 NOISE GAIN = GAIN FROM “A” TO OUTPUT = NG = 1 + R2 R1 VOUT GAIN FROM “B” TO OUTPUT = – R2 R1 RTI NOISE = BW × VN2 + 4kTR3 + 4kTR1 R2 R1 + R2 2 + IN+2 R32 + IN–2 R1 × R2 R1 + R2 2 + 4kTR2 R1 R1 + R2 2 RTO NOISE = NG × RTI NOISE RTI = ችࢇڟ๼෇܋ RTO = ችࢇڟ๼؜܋ BW = 1.57 fCL GAIN (dB) 6dB/OCTAVE ROLL-OFF LOOP GAIN OPEN- LOOP GAIN CLOSED- LOOP GAIN NOISE GAIN CLOSED-LOOP BANDWITH LOG FREQUENCY RESISTANCE (훀) 10,000 1000 10 1 0 10 1k 100k 10M100 10k 1M 100M 100en at 25°C nV Hz ُت: VR = ۉፆሀࡪსሯำೕ೷௢܈ k = հܻጦத׉ຕ (1.38 × 10–23 J/K) T = ਸܻ࿔ਨܔ࿒܈ R = ۉፆኵ(Ohms) B = ټ੻(Hz)= 4kTRBVR 25°C้Lj4kT = 1.65 × 10–20 W/HzLj ᅺُLjVR = 1.65 × 10–20RB ڇटဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ ۉፆሀࡪსሯำࠅ๕CLOSED-LOOP BW= fCLBA VN, R1 R1R34kTR34kTR1VN, R3 IN+IN– VN 4kTR2 VN, R2 R2 NOISE GAIN = GAIN FROM “A” TO OUTPUT = NG = 1 + R2 R1 VOUT GAIN FROM “B” TO OUTPUT = – R2 R1 RTI NOISE = BW × VN2 + 4kTR3 + 4kTR1 R2 R1 + R2 2 + IN+2 R32 + IN–2 R1 × R2 R1 + R2 2 + 4kTR2 R1 R1 + R2 2 RTO NOISE = NG × RTI NOISE RTI = ችࢇڟ๼෇܋ RTO = ችࢇڟ๼؜܋ BW = 1.57 fCL GAIN (dB) 6dB/OCTAVE ROLL-OFF LOOP GAIN OPEN- LOOP GAIN CLOSED- LOOP GAIN NOISE GAIN CLOSED-LOOP BANDWITH LOG FREQUENCY RESISTANCE (훀) 10,000 1000 10 1 0 10 1k 100k 10M100 10k 1M 100M 100en at 25°C nV Hz ُت: VR = ۉፆሀࡪსሯำೕ೷௢܈ k = հܻጦத׉ຕ (1.38 × 10–23 J/K) T = ਸܻ࿔ਨܔ࿒܈ R = ۉፆኵ(Ohms) B = ټ੻(Hz)= 4kTRBVR 25°C้Lj4kT = 1.65 × 10–20 W/HzLj ᅺُLjVR = 1.65 × 10–20RB ڇटဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ ۉፆሀࡪსሯำࠅ๕CLOSED-LOOP BW= fCLBA VN, R1 R1R34kTR34kTR1VN, R3 IN+IN– VN 4kTR2 VN, R2 R2 NOISE GAIN = GAIN FROM “A” TO OUTPUT = NG = 1 + R2 R1 VOUT GAIN FROM “B” TO OUTPUT = – R2 R1 RTI NOISE = BW × VN2 + 4kTR3 + 4kTR1 R2 R1 + R2 2 + IN+2 R32 + IN–2 R1 × R2 R1 + R2 2 + 4kTR2 R1 R1 + R2 2 RTO NOISE = NG × RTI NOISE RTI = ችࢇڟ๼෇܋ RTO = ችࢇڟ๼؜܋ BW = 1.57 fCL GAIN (dB) 6dB/OCTAVE ROLL-OFF LOOP GAIN OPEN- LOOP GAIN CLOSED- LOOP GAIN NOISE GAIN CLOSED-LOOP BANDWITH LOG FREQUENCY RESISTANCE (훀) 10,000 1000 10 1 0 10 1k 100k 10M100 10k 1M 100M 100en at 25°C nV Hz ُت: VR = ۉፆሀࡪსሯำೕ೷௢܈ k = հܻጦத׉ຕ (1.38 × 10–23 J/K) T = ਸܻ࿔ਨܔ࿒܈ R = ۉፆኵ(Ohms) B = ټ੻(Hz)= 4kTRBVR 25°C้Lj4kT = 1.65 × 10–20 W/HzLj ᅺُLjVR = 1.65 × 10–20RB √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R √P ݴԞ(dB)ࠅ๕(ڪኵፆੇ) db = 10 Log = 20 Log = 20 Log (Gain) POUT PIN IOUT IIN VOUT VIN db = 10 Log = 20 Log = 20 Log (Gain) PIN POUT IIN IOUT VIN VOUTՎუഗ (ืუईইუԲ)ኟ၀ۉუࢅۉୁ RMS = ਩ݛߵ = ᆶၳኵ VRMS = 0.707 VPEAK VAVE. = 0.637 VPEAK VPEAK = 1.414 VEFF. VEFF. = 1.11 VAVE. VPEAK = 1.57 VAVE. VAVE. = 0.9 VEFF.౹ఛۨୱ(኱ୁۉୟ)ز૴ۉፆ RTOTAL = R1 + R2 + R3 + …ժ૴ۉፆଇ߲ۉፆժ૴ڪኵۉፆժ૴ = = =NP NS EP ES IS IP ZP ZS 1 + 1 + 1 + … R1 R2 R3 1 RTOTAL = R1+R2 R1 R2RTOTAL =ഄዐRྺڪኵۉፆኮᅃڦፆኵLj NྺڪኵۉፆڦຕଉNRRTOTAL = VI IR √PR I P I2 P P V2 I V R V P R V R V2 I2R B.W. SR. (Tuned Circuit) Q = Q & Resonant Frequency Formulasۉੇࠅ๕RXL Figure of Meritof a CoilQ =SR = or Hz2pi√LC1 √LC.159L = 4pi2 SR2 C 1 C = 4pi2 SR2 L 1 XC = XL = 2pi fL 2pi fC 1ፆੇࠅ๕(ز૴) Z = √R2 + XL2 (RLز૴) Z = √R2 + XC2 (RCز૴) Z = XL – XC (LCز૴) Z = √R2 + (XL – XC)2 (RLCز૴) Z = VA I ۉუࢅፆੇࠅ๕(ժ૴) Z = RXL (RL) Z = VA √R2 + XL2 ILINE Z = RXC (RC) VA = VL = VC = VR √R2 + XC2 Z = XL XC (LC) VA = ILINEZ XL – XC Z = RX (RLC) √R2 + X2 P I V R www.analog.com/zh/amplifiers VOUT = VIN VOUT VIN࣐؋ߛፆੇ႑ࡽᇸࢅگፆႠ޶ሜۉუ߶ໜഗ VIN RG RF VOUTݣٷժݒገ๼෇ཞ၎႑ࡽݣٷ ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ ݣٷଇ߲ۉუኮֶĂᅞ዆ࠌఇۉუۉუ३݆ഗ0ֶۯݣٷഗVAVB R1R1 R2 VOUTR2VCM ܠ߲ۉუ൱ࢅۉუे݆ഗ گཚ୳հഗ0ओݴഗ၌዆႑ࡽټ੻ߛཚ୳հഗ0ྲݴഗ ֶݴݣٷഗ ᅏ՗ݣٷഗֶٗݴईڇ܋႑ࡽᇸൻۯֶݴ๼෇ADC ݣٷگۉೝֶݴ႑ࡽĂᅞ዆ࠌఇ႑ࡽRFRFRGRG VOUTVOUTdiff = RF VIN RG VOUTVOCM –VIN+VIN VREF OUT10k훀10k훀24.7k훀 10k훀10k훀RGVCMVOUT = 1 + 2 × 24.7k훀 VIN + VREF RG߰኱Ăݣٷ঍ୁ႑ࡽ VIN VOUT R1 C RF t = RC = RFC VOUT = VIN –RF × 1 R1 RFCS + 1 CIN RIN VOUTVIN VIN RF VOUT = VIN –RF × RINCS RIN RINCS + 1 VA VC VB VOUT R1 R2 R3 RF VN RN VOUT RG R1' R1 R2' R2 R3' + + + VOUT = VSIG 1 + 2R1 RG R3 R2 IF R2 = R3, G = 1 + 2R1 RG ~~ ~~ ~~ VCM + + VSIG 2 VSIG 2 A1 A2 A3 × VOUT = VIN VOUT VIN࣐؋ߛፆੇ႑ࡽᇸࢅگፆႠ޶ሜۉუ߶ໜഗ VIN RG RF VOUTݣٷժݒገ๼෇ཞ၎႑ࡽݣٷ ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ ݣٷଇ߲ۉუኮֶĂᅞ዆ࠌఇۉუۉუ३݆ഗ0ֶۯݣٷഗVAVB R1R1 R2 VOUTR2VCM ܠ߲ۉუ൱ࢅۉუे݆ഗ گཚ୳հഗ0ओݴഗ၌዆႑ࡽټ੻ߛཚ୳հഗ0ྲݴഗ ֶݴݣٷഗ ᅏ՗ݣٷഗֶٗݴईڇ܋႑ࡽᇸൻۯֶݴ๼෇ADC ݣٷگۉೝֶݴ႑ࡽĂᅞ዆ࠌఇ႑ࡽRFRFRGRG VOUTVOUTdiff = RF VIN RG VOUTVOCM –VIN+VIN VREF OUT10k훀10k훀24.7k훀 10k훀10k훀RGVCMVOUT = 1 + 2 × 24.7k훀 VIN + VREF RG߰኱Ăݣٷ঍ୁ႑ࡽ VIN VOUT R1 C RF t = RC = RFC VOUT = VIN –RF × 1 R1 RFCS + 1 CIN RIN VOUTVIN VIN RF VOUT = VIN –RF × RINCS RIN RINCS + 1 VA VC VB VOUT R1 R2 R3 RF VN RN VOUT RG R1' R1 R2' R2 R3' + + + VOUT = VSIG 1 + 2R1 RG R3 R2 IF R2 = R3, G = 1 + 2R1 RG ~~ ~~ ~~ VCM + + VSIG 2 VSIG 2 A1 A2 A3 × VOUT = VIN VOUT VIN࣐؋ߛፆੇ႑ࡽᇸࢅ