la1136nm Sanyo Semiconductor Corporation, la1136nm Datasheet
la1136nm
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la1136nm Summary of contents
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Ordering number: EN 3507 Overview The LA1136N/NM and LA1137N/NM are high-performance AM electronic tuner ICs offering sophisticated functions. They are especially suited for use in car radio and home stereo (antenna: loop) applications. Functions . . MIX OSC (with ALC) ...
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... Pd max – Ta Ambient temperature, Ta – °C LA1136N, 1136NM, 1137N, 1137NM unit : mm 3112-MFP24S SANYO : DIP24S unit : mm 3036B-MFP20 SANYO : DIP20Slim Mounted on 20 Independent IC [LA1136NM] SANYO : MFP24S [LA1137NM] SANYO : MFP20 Pd max – 1.5 mm PCB Ambient temperature, Ta – °C No. 3507-2/28 ...
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... Pin 6+13+19 (LA1136N) 14 Pin 20 (LA1137N), Pin 24 (LA1136N 65°C (LA1136N 77°C (LA1137N) Independent IC 47°C (LA1136NM) With PCB 80°C (LA1136NM) Independent IC 63°C (LA1137NM) With PCB 77°C (LA1137NM) Conditions op Pd max – 1.5 mm PCB Ambient temperature, Ta – °C ...
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... LA1136N, LA1136NM Operating Conditions 25°C, V Parameter Symbol Current drain Detection output Signal-to-noise ratio AGC figure-of-merit THD1 Total harmonic distortion THD2 Signal meter output voltage Stop detector sensitivity Local-oscillator buffer output voltage BUFF IF buffer output voltage count buffer output voltage ...
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... LA1136N, LA1136NM Test Circuit LA1136N, 1136NM, 1137N, 1137NM No. 3507-5/28 ...
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LA1137N, LA1137NM Test Circuit LA1136N, 1136NM, 1137N, 1137NM No. 3507-6/28 ...
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LA1136N Equivalent Circuit LA1136N, 1136NM, 1137N, 1137NM No. 3507-7/28 ...
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LA1137N Equivalent Circuit LA1136N, 1136NM, 1137N, 1137NM No. 3507-8/28 ...
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LA1136N Sample Application Circuit LA1136N, 1136NM, 1137N, 1137NM LA1136N No. 3507-9/28 ...
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LA1137N Sample Application Circuit LA1136N, 1136NM, 1137N, 1137NM No. 3507-10/28 ...
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LA1136N, LA1137N Pin Specifications (Pins connected to an external microcontroller) (1) IF Band Switching : Pin 12 Narrowband : 3 greater Wideband : 2 lower (2) Seek Detection : Pin 14 Station seek : 3.5 V ...
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LA1136N, LA1137N Usage Notes 1. Do not connect the antenna alignment circuit and local oscillation circuit. 2. The coils should be specified to obtain an output level of –25 dBm (43.6 mVrms) for the given input levels shown below, and ...
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Oscillator coil The oscillator for LA1136N and LA1137N can operate up to 100 MHz. Stray capacitance resulting from poor oscillator coil design can cause antiresonance in the range 50 to 100 MHz. This results inparasitic oscillations at the local-oscillator ...
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Oscillator coil For use with SVC321, triple varactor diode For use with quad varactor diode (3) Mixer coil Center frequency (4) IF tank coil Center frequency LA1136N, 1136NM, 1137N, 1137NM No. 3507-14/28 ...
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Sample RF alignment coil selectivity characteristics (Mitsumi) New coil designs should have the same selectivity characteristics as shown below. RF characteristics at 600 kHz 5. Problems Concerning Wideband AGC Because the LA1136N and the LA1137N offer many sophisticated functions, ...
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Wideband AGC Sensitivity The wideband AGC circuit two-signal sensitivity and shortwave interference suppression characteristics have been achieved by reducing the sensitivity by approximately 10 dB from that of previous devices FET with low gm and high I ...
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Application Circuit using the IF count method The LA1136N and LA1137N can be configured for tuning using either the stop detector or the IF count method. The application circuits are examples of tuners using the IF count method. The ...
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Stop Detector Adjustment Although this explanation is for the LA1137N identical for the LA1136N, except that the pin numbers are different. The LA1137N is designed for use with the following microcontrollers. Stop detection method: LM7001 (Sanyo) (SD ...
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SD sensitivity adjustment method The SD sensitivity is determined by the voltage level of the two inputs to the comparator. Because the absolute value is determined by the resistor as described above, no matter which level, the sensitivity can ...
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Methods for improving tweet characteristics 1 A twin varactor diode can be used used for FM detection. However, the chip size is four times that of a standard varactor diode having the same capacitance, resulting in increased ...
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The accurate voltages for each pin During seek: When the voltage of pin 11 is HIGH 5 V, transistor and transistors N3, N4, N6, N7, N8 and N9, OFF. Pin 18 is connected to the collector ...
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Preventing Incorrect RF AGC time-constant switching, Seek Operation These tuners incorporate various circuits that serve to prevent incorrect stops during seek operation. A summary of the RF amplifiers is provided below. (1) Incorrect stops during RF AGC, and other ...
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Gain Adjustment Method (1) AGC Operations The AGC circuits for LA1136N and LA1137N are configured based on the AGC circuit for LA1135. Although this explanation is for the LA1137N identical for the LA1136N, except that the pin ...
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RF alignment coil In general, the RF amplifier gain and fluctuations in the effective sensibility should be kept as low as possible. Turns proportional to gain Check the data in the diagram to determine the number of turns. 19. ...
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LA1136N, 1136NM, 1137N, 1137NM For SD sensitivity Fidelity Characteristics Modulation frequency, fm [Hz] Detection Output, THD – V Characteristics S Detection output Modulation depth, V [%] S Selectivity Characteristics Difference frequency, f [kHz] When ...
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LA1136N, 1136NM, 1137N, 1137NM Band Characteristics (Tracking adjustment at each point) IF interference ratio Image interference ratio Effective sensitivity (ANT input when S dB) Maximum Sensitivity (ANT input when output –25 dBµ) (using varactor diode) Receive, fr [kHz] ...
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LA1136N, 1136NM, 1137N, 1137NM Temperature Characteristics IF buffer output (74 dBµ Input, zero modulation) Oscillator buffer (Quiescent) IF count buffer output (30 dBµ Input, zero modulation) Stop detector count buffer leakage (74 dBµ ...
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Cross-modulation Characteristics Target input Interference input Target input Interference input Interference input [dBµ] No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, ...