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NTE7148 Datasheet(PDF) 3 Page - NTE Electronics |
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NTE7148 Datasheet(HTML) 3 Page - NTE Electronics |
3 / 7 page Electrical Characteristics (Cont’d): (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit VIF (Cont’d) Maximum AFT Output Voltage V47H CW = 80dB µ, frequency change 8.3 8.7 9.0 V Minimum AFT Output Voltage V47L CW = 80dB µ, frequency change 0.1 0.3 0.8 V AFT Detection Sensibility Sf CW = 80dB µ, frequency change 45 70 100 mV/kHz AFT Switch Operation Start Voltage VAFTSW Measuring with sweep signal 0.5 1.0 1.5 V Black Noise Threshold Level VBTH Measuring with sweep signal 1.1 1.4 1.7 V APC Pull–In Range (U)2 fPU–2 CW = 80dB µ, fP = 53MHz to 64MHz 0.8 1.7 4.0 MHz APC Pull–In Range (L)2 fPL–2 CW = 80dB µ, fP = 53MHz to 64MHz – –2 –1 MHz VCO Maximum Variable Range ∆fU Quiescent 0.9 1.7 4.0 MHz ∆fL Quiescent –4 –2 –1 MHz VCO Control Sensitivity β Quiescent 1.5 3.0 5.5 kHz/mV Audio–Visual Switches Video Output DC Voltage V38 Quiescent 3.0 3.4 3.8 V Internal Video Input Voltage V42 Quiescent 4.4 4.8 5.2 V External Video Input Voltage V40 Quiescent 4.4 4.8 5.2 V External Audio Input Voltage V3 Quiescent 5.2 5.6 6.0 V SIF AF SIF Limiting Voltage Vilim SIF output level for detection output at –3dB 33 40 47 dB µ FM Detection Output Voltage VO1 Vi = 100dBµ, ∆f = ±25kHz 440 550 670 mVrms FM Detection Output Distortion Ratio THD Vi = 100dBµ, ∆f = ±25kHz 0 0.4 1.0 % AM Rejection AMR FM: ∆f = ±25kHz AM: 30% Vi = 80dBµ, 40 60 80 dB AF Amplifier Voltage Gain GAF Vi = 100mVrms, f = 400Hz 18 20 22 dB AF Maximum Output Voltage Vo6 max Output level for AF amplifier output distortion at 10% 2.0 2.8 3.6 Vrms AF Electronic Attenuator Range ATT Vi = 200mVrms, f = 400Hz 70 80 100 dB Video Black Enhancement Threshold BSTH APL variable 40 50 60 IRE Maximum Black Enhancement Gain BSmax APL variable –35 –27 –20 IRE Soft Video Tone Variable Range ∆Soft f = 2MHz, 100mVP–P, video tone VR: 4V → 0V –6 –4 –2 dB Sharp Video Tone Variable Range ∆Sharp f = 2MHz, 100mVP–P, video tone VR: 4V → 9V, contrast VR: 6V 7 10 13 dB Video Voltage Gain Audio–Visual Switch 9V GV9V f = 100MHz, 100mVP–P contrast VR: 9V, video, tone VR: 4V 15 18 21 dB Video Voltage Gain Audio–Visual Switch 0V GV0V f = 100MHz, 100mVP–P, contrast VR: 0V, video tone VR: 4V 15 18 21 dB |
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