NTE1827
NTE1827 is Integrated Circuit VIF & SIF manufactured by NTE Electronics.
Description
: The NTE1827 is an IC containing the VIF section and SIF section on a single chip in the 20- Lead DIP package. The use of the small- sized package serves to make VCR tuner units smaller. Functions: D VIF section: VIF AMP, Video Det, Peak IF AGC, B/W Noise Canceller, RF AGC, AFT, Video Mute. D SIF section: SIF Limiter Amp, FM Det, SND Mute. Features
: D High- Gain VIF Amp Requiring No Preamp D Non- Adjusting can be Attained by using a Ceramic Discriminator because of FM Detection being Quadrature Detection. D Possible to Mute Video, Sound for VCR. D Small- Sized Package. D Minimum Number of External Parts Required. D Operates from 9V Supply Voltage Operating Characteristics: (TA = +25°C, VCC = 12V, fp = 58.75MHz, fs = 54.25MHz (VIF))
Parameter Total Circuit Current Maximum RF AGC Voltage Minimum RF AGC Voltage Quiescent Video Output Voltage Input Sensitivity AGC Range Maximum Allowable Input Video Output Amplitude Output S/N Carrier Leakage Maximum AFT Voltage Symbol I17 VIOH VIOL V11 Vi GR Vimax Vo(16) S/N CL VIIH fm = 400Hz 40%AM, Vo = 0.8Vp- p fm = 15k Hz 78%AM, Vo = ±1d B fm =15k Hz 78%AM, VO = ±1d B Vi = 10m Vrms, fm = 15k Hz 78%AM Vi = 10m Vrms CW Vi = 100m Vrms, fm = 15k Hz 78% AM Vi = 10m Vrms SWEEP Test Conditions Min 44 8.5
- 4.5 30 60 100 1.9 47 50 11 Typ 55 9.0
- 6.5 36 68
- 2.2 55 57 11.5 Max 73 9.5 0.5 7.0 42
- - 2.5
- -
- Unit m A V V V d Bu d B m Vrms Vpp d B d B V
Operating Characteristics (Cont’d): (TA = +25°C, VCC = 12V, fp = 58.75MHz, fs = 54.25MHz (VIF))
Parameter Minimum AFT Voltage AFT Detection Sensitivity White Noise Threshold Level White Noise Clamp Level Black Noise Threshold Level Black Noise Clamp Level SIF Output Signal Voltage Frequency Characteristic Differential Gain Differential Phase Input Resistance Input Capacitance SIF Limiting Voltage Detection Output Voltage Total Harmonic Distortion AM Rejection Symbol VIIL SF VWTH VWCL VBTH VBCL VOS(16) fc DG DP ri ci Vilim VO(3) THD(3) AMR
- 3d B Vi = 100m Vrms, fm = 400Hz, ∆f = ±25k Hz Vi = 100m Vrms, fm...
