MC MCB Balanced Modulators Demodulators Signal Input      NC Output Bias Signal Input Gain Adjust Gain Adjust Input Carrier EE NC Output NC Carrier Input NC    kHz I

MC MCB Balanced Modulators Demodulators Signal Input NC Output Bias Signal Input Gain Adjust Gain Adjust Input Carrier EE NC Output NC Carrier Input NC kHz I - Description

0 kHz 500 kHz 10 kHz 60 40 20 Log Scale Id 499 kHz 500 kHz 501 kHz 500 kHz 10 kHz 500 kHz 10 kHz 499 kHz 500 kHz 501 kHz Linear Scale 10 80 60 40 20 brPage 3br brPage 4br brPage 5br Signal Input Pins 1 and 4 510 10 pF 001 20 k 872280 Vdc I6 I9 ID: 23259 Download Pdf

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MC MCB Balanced Modulators Demodulators Signal Input NC Output Bias Signal Input Gain Adjust Gain Adjust Input Carrier EE NC Output NC Carrier Input NC kHz I

0 kHz 500 kHz 10 kHz 60 40 20 Log Scale Id 499 kHz 500 kHz 501 kHz 500 kHz 10 kHz 500 kHz 10 kHz 499 kHz 500 kHz 501 kHz Linear Scale 10 80 60 40 20 brPage 3br brPage 4br brPage 5br Signal Input Pins 1 and 4 510 10 pF 001 20 k 872280 Vdc I6 I9

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MC MCB Balanced Modulators Demodulators Signal Input NC Output Bias Signal Input Gain Adjust Gain Adjust Input Carrier EE NC Output NC Carrier Input NC kHz I




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Presentation on theme: "MC MCB Balanced Modulators Demodulators Signal Input NC Output Bias Signal Input Gain Adjust Gain Adjust Input Carrier EE NC Output NC Carrier Input NC kHz I"— Presentation transcript:


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MC1496, MC1496B Balanced Modulators/ Demodulators Signal Input 10 11 14 13 12 N/C Output Bias Signal Input Gain Adjust Gain Adjust Input Carrier EE N/C Output N/C Carrier Input N/C
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= 500 kHz, I = 1.0 kHz = 500 kHz = 1.0 kHz 60 40 20 Log Scale Id 499 kHz 500 kHz 501 kHz = 500 kHz = 1.0 kHz = 500 kHz = 1.0 kHz 499 kHz 500 kHz 501 kHz Linear Scale 10 8.0 6.0 4.0 2.0
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Signal Input (Pins 1 and 4) 510 10 pF 0.01 2.0 k −8.0 Vdc I6 I9 1.0 k I7 I8 6.8 k out +V +V I9 3.9 k CC 12 Vdc C1 0.1 1.0 k 1.0

k 0.1 51 10 k Modulating Signal Input Carrier Input Carrier Null 51 51 10 k 50 k R1 −V 3.9 k I6 I4 14 5 12 = 1.0 k in 0.5 V 10 I1 −V 10 14 5 12 6.8 k I10 I5 −8.0 Vdc EE 1.0 k 14 5 12 I10 6.8 k −8.0 Vdc EE CC 12 Vdc = 1.0 k 1.0 k Modulating Signal Input Carrier Input 0.1 0.1 1.0 k 51 1.0 k 14 12 1.0 k 23 CC 12 Vdc 2.0 k +V −V 6.8 k 10 k Carrier Null 51 10 k 50 k −8.0 Vdc EE 50 50 10 10 51
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+V 3.9 k CC 12 Vdc = 1.0 k 1.0 k 0.5 V 1.0 k 50 −V 10 14 5 12 6.8 k −8.0 Vdc EE 3.9 k CM 20 log

V V , OUTPUT AMPLITUDE OF EACH SIDEBAND (Vrms) r , PARALLEL INPUT RESISTANCE (k ip c , PARALLEL INPUT CAPACITANCE (pF) ip c , PARALLEL OUTPUT CAPACITANCE (pF) I5 = 1.0 mA +V 3.9 k CC 12 Vdc = 1.0 k −V 14 5 12 6.8 k −8.0 Vdc EE 3.9 k 0.5 V 1.0 k 1.0 k 50 1.0 2.0 140 −r ip +r ip 14 12 10 8.0 6.0 4.0 100 10 120 10 1.0 20 5.0 100 40 50 1.0 1.0 f, FREQUENCY (MHz) 80 200 2.0 5.0 10 100 100 500 1.0 M 60 50 100 10 2.0 3.0 2.0 1.0 5.0 400 mV Signal Input = 600 mV 4.0 , CARRIER LEVEL (mVrms) 1.6 0.8 0.4 1.2 100 50 150 5.0 100 mV 200 mV 300 mV 50 20 f, FREQUENCY

(MHz) f, FREQUENCY (MHz) 10 op r , PARALLEL OUTPUT RESISTANCE (k op op
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−30 f, FREQUENCY (MHz) 20 10 −10 −20 0.1 1.0 10 100 0.01 = 3.9 k = 500 = 3.9 k = 2.0 k |V | = 0.5 Vdc = 500 = 1.0 k = 3.9 k (Standard = 1.0 k Test Circuit) A , SINGLE-ENDED VOLTAGE GAIN (dB) 100 1.0 Side Band 0.3 0.4 1000 , CARRIER FREQUENCY (MHz) 0.6 0.9 1.0 10 0.8 0.7 0.1 0.2 0.5 0.1 21, TRANSADMITTANCE (mmho) 80 r 3f 800 600 400 200 , INPUT SIGNAL AMPLITUDE (mVrms) r 2f 60 50 40 30 20 10 70 SUPPRESSION BELOW EACH FUNDAMENTAL CARRIER SIDEBAND (dB) 2f 50

5.0 0.05 0.1 0.5 1.0 10 3f 60 50 40 30 20 10 70 , CARRIER FREQUENCY (MHz) SUPPRESSION BELOW EACH FUNDAMENTAL CARRIER SIDEBAND (dB) , AMBIENT TEMPERATURE ( C) MC1496 (70 C) −75 −50 60 75 50 25 −25 50 40 30 20 10 100 125 150 175 70 CS V , CARRIER SUPPRESION (dB) 2r 0.1 50 10 10 1.0 0.01 1.0 5.0 0.05 0.1 0.5 , CARRIER FREQUENCY (MHz) V , CARRIER OUTPUT VOLTAGE (mVrms) CFT Signal Port 21 out in V out 0|V 0.5Vdc 21 out (EachSideband) in (Signal) out Sideband Transadmittance Signal Port Transadmittance
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500 100

400 300 0 200 , CARRIER INPUT LEVEL (mVrms) = 10 MHz 60 50 40 30 20 10 70 CS V , CARRIER SUPPRESSION (dB) 2f r 2f r 2f 3f r , CARRIER FREQUENCY (MHz) 50 10 1.0 5.0 0.05 0.1 0.5 60 50 40 30 20 10 70 SUPPRESSION BELOW EACH FUNDAMENTAL CARRIER SIDEBAND (dB) = 500 kHz Signal Input Carrier Input 8 (+) 500 500 500 14 EE Bias (Pin numbers per G package) Output (−) 12 Gain Adjust (+) 6 10 (−) 4 (−) 1 (+) −V e 1.0 k 12 Vdc 3.9 k +V EE −8.0 Vdc 6.8 k I5 14 0.1 12 1.0 k 1.0 k 50 k 51 10 k 10 k 0.1 Carrier Input Modulating Signal Input Carrier Null 51 51 10 3.9 k
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r r r r
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DSB CC 12 V R1 Carrier Input 60 mVrms Carrier Input 1.0 k 1.0 k Carrier Null Carrier Adjust 1.0 k e 1.0 k 3.9 k 3.9 12 6.8 k I5 EE −8.0 Vdc 10 k 10 k 51 51 Modulating Signal Input 14 5 0.1 0.1 50 k Output 0.1 0.1 0.1 CC 12 Vdc 10 k 100 100 10 k 3.0 k 3.0 k 1.0 k 1.3 k 820 50 k 10 k 10 15 V Signal Input 300 mVrms Modulating Carrier Null 25 15 V 51 25 15 V 14 5 Modulating Signal Input 1.0 Carrier Input 50 k 750 51 51 750 EE −8.0 Vdc 15 6.8 k 3.9 k e 1.0 k 23 14 5 0.1 −V +V CC 12 Vdc 51 51 1.0 k 1.0 k 14 5 1.3 k 820 1.0 k Carrier Input 300 mVrms

SSB Input 51 100 3.0 k 3.0 k 0.005 10 k 0.1 1.0 k 0.1 0.1 0.1 0.1 CC 12 Vdc Out 1 0.005 1.0 k 10 12 12 12 3.9 k 10 10 10 1.0 k 0.005
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(f + 2f ) C S C S C S RFC 100 (2f − 2f ) r r r Frequency Balanced Modulator Spectrum CC +8.0 Vdc 1.0 k 1.0 k Null Adjust 0.001 51 6.8 k EE −8.0 Vdc 10 k 51 51 10 k 0.001 Local Oscillator Input RF Input 100 mVrms 50 k 0.001 9.5 L1 5.0−80 pF 90−480 pF 9.0 MHz Output = 50 0.01 CC 12 Vd 3.9 3.9 k 6.8 k I5 EE −8.0 Vdc 1.0 k 10 k 10 k 100 100 100 F 15 Vdc 100 25 Vdc 100 C2 100 15 Vdc Max 1.0 k 1.0 k C2 50 k Balance Input

15 mVrms Balance 300 MHz Output = 50 1.0−10 pF L1 18 nH FC 0.68 0.001 0.001 1.0 k 1.0 k CC +8.0 Vdc Out 100 0.001 150 MHz Input 10 k 10 k 100 50 k 23 18 pF 6.8 k AMPLITUDE (f ) C S 100 EE −8.0 Vdc (f − 2f ) C S (f − f ) (f + f ) (2f − 2f ) (2f + 2f ) (2f + 2f ) (3f − 2f ) (3f − f ) (3f ) (3f + f ) (3f + 2f ) C S C S C S C S C S C S C S (2f ) 10 12 10 10 12 14 5 14 14 12 1.0−10 pF
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0.25 (0.010) B 0.25 (0.010) A
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17 14 8 0.13 (0.005)