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| ML13055 Wideband FSK Receiver Legacy Device: Motorola MC13055 The ML13055 is intended for RF data link systems using carrier frequencies up to 40 MHz and FSK (frequency shift keying) data rates up to 2.0 M Baud (1.0 MHz). This design is similar to the ML3356, except that it does not include the oscillator/mixer. The IF bandwidth has been increased and the detector output has been revised to a balanced configuration. The received signal strength metering circuit has been retained, as has the versatile data slicer/comparator. * Input Sensitivity 20 V @ 40 MHz * Signal Strength Indicator Linear Over 3 Decades * Easy Application, Few Peripheral Components * Operating Temperature Range TA = -40 to +85C P-DIP 16 = EP Plastic DIP SO 16 = -5P CROSS REFERENCE/ORDERING INFORMATION PACKAGE LANSDALE MOTOROLA P-DIP 16 SO 16 MC13055P MC13055D ML13055EP ML13055-5P Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. PIN ASSIGNMENT VCC 0.01 1 2 3 40MHz IF Input (50) L1 0.01 4 22pF 27pF 0.1 0.01 8 VCC 1.0k 39pF 5 6 7 0.8V - + + - 16 15 14 13 100pF 12 Limiter 11 10 9 3.9k Data Output Comparator Gnd Carrier Detect 5.0k 68pF 3.9k Squelch Adjust (meter) 1 2 3 4 5 6 16 + 15 Data Out Comparator Comparator VCC IF Ground IF VCC Limiter Input Limiter Bias - 14 13 12 11 10 9 Carrier Detect Meter Drive Detector Out Quad Input 7 Quad Bias 8 L2 Figure 1. Block Diagram and Application Circuit Page 1 of 9 www.lansdale.com Issue B ML13055 LANSDALE Semiconductor, Inc. MAXIMUM RATINGS Rating Power Supply Voltage Operating Supply Voltage Range Junction Temperature Operating Ambient Temperature Range Storage Temperature Range Power Dissipation, Package Rating Symbol VCC(max) V2, V4 TJ TA Tstg PD Value 15 3.0 to 12 150 -40 to +85 -65 to +150 1.25 Unit Vdc Vdc C C C W ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, fo = 40 MHz, fmod = 1.0 MHz, f = 1.0 MHz, TA = 25C, test circuit of Figure 2.) Characteristic Total Drain Current Data Comparator Pull-Down Current Meter Drive Slope versus Input Carrier Detect Pull-Down Current Carrier Detect Pull-Up Current Carrier Detect Threshold Voltage DC Output Current Recovered Signal Sensitivity for 20 dB S+N/N, BW = 5.0 MHz S+N/N at Vin = 50 V Input Impedance @ 40 MHz Quadrature Coil Loading Rin Cin Rin Cin Conditions I2 + I4 I16 I12 I13 I13 V12 I10, I11 V10 - V1 1 VIN V10 - V1 1 Pin 5, Ground Pin 9 to 8 690 4.5 Min Typ 20 10 7.0 1.3 500 800 430 350 20 30 4.2 4.5 7.6 5.2 1010 9.0 Max 25 Unit mA mA A/dB mA A mV A mVrms Vrms dB k pF k pF Page 2 of 9 www.lansdale.com Issue B LANSDALE Semiconductor, Inc. ML13055 1 0.01 VCC 0.01 4 22pF Input L1 27pF 6 0.1 7 0.01 0.01 8 1.0k 39pF 5 2 3 16 15 14 13 12 11 10 9 Detector Output 100pF Carrier Detect Output Meter Drive 3.9k 3.9k Coils - Shielded Coilcraft UNI-10/142 L1 Gray 8 1/2 Turns, nominal 300 nH L2 Black 10 1/2 Turns, nominal 380 nH L2 Figure 2. Test Circuit Page 3 of 9 www.lansdale.com Issue B ML13055 LANSDALE Semiconductor, Inc. Figure 3. Overall Gain, Noise, AM Rejection 0 RELATIVE OUTPUT (dB) -10 -20 -30 -40 -50 -60 -100 -80 -60 -40 SIGNAL INPUT (dBm) -20 0 0 -100 AMR 1.0 kHz 30% Noise l12, METER CURRENT ( A) Output fmod = 1.0 MHz f = 1.0 MHz 600 500 400 300 200 100 Figure 4. Meter Current versus Signal VCC = 5.0 V, 7.0 V 3.0 V 12 V -80 -60 -40 INPUT SIGNAL (dBm) -20 0 Figure 5. Untuned Input: Limiting Sensitivity versus Frequency VIN, INPUT LIMITING SENSITIVITY (dBm) 0 -10 -20 -30 0.1 Figure 6. Untuned Input: Meter Current versus Frequency 800 0.1 Input 0 dBm -10 -20 0.1 Input 51 0.1 Input 51 l12, METER CURRENT ( Adc) 5 ML13055 7 9 20k 8 700 600 500 400 300 200 100 5 ML13055 7 9 20k 8 -40 -50 -60 -70 -80 -90 -100 0 10 20 30 40 50 60 70 f, INPUT FREQUENCY (MHz) 80 90 100 -30 -40 -50 -60 -70 -80 0 0 10 20 30 40 50 60 70 f, INPUT FREQUENCY (MHz) 80 90 100 Figure 7. Limiting Sensitivity and Detuning versus Supply Voltage VIN, INPUT LIMITING SENSITIVITY (dBm) l10 + l11, DETECTOR CURRENT ( Adc) -40 -50 -60 -70 -80 -90 0 1.0 3.0 5.0 7.0 9.0 11 VCC, SUPPLY VOLTAGE (Vdc) 13 15 Limiting Sensitivity 40 MHz Quadrature Coil Tuning 40 3 40.2 40.1 40.0 39.9 39.8 39.7 39.6 39.5 39.4 39.3 39.2 Figure 8. Detector Current and Power Supply Current versus Supply Voltage l2 + I4, POWER SUPPLY CURRENT (mA) 1200 1000 800 600 I2 + I4 400 200 0 0 1.0 3.0 5.0 7.0 9.0 11 VCC, SUPPLY VOLTAGE (Vdc) 13 20 10 0 15 I10 + I11 60 50 40 30 Page 4 of 9 www.lansdale.com QUAD COIL TUNING (MHz) Issue B LANSDALE Semiconductor, Inc. Figure 10. Carrier Detect Threshold versus Temperature V12, CARRIER DETECT THRESHOLD (mV) 1000 900 800 700 600 500 -60 ML13055 Figure 9. Recovered Audio versus Temperature V10, RELATIVE AUDIO OUTPUT (dB) 4.0 2.0 0 -2.0 -4.0 -6.0 -8.0 -10 -12 -60 -40 -20 0 20 40 60 80 100 TA, AMBIENT TEMPERATURE (C) 120 140 -40 -20 0 20 40 60 80 100 TA, AMBIENT TEMPERATURE (C) 120 140 Figure 11. Meter Current versus Temperature Input 0 dBm l12, METER CURRENT ( A) 500 400 300 -50 200 100 -60 -40 -60 -20 0 20 40 60 80 100 TA, AMBIENT TEMPERATURE (C) 120 140 -10 -20 -30 -40 VIN, INPUT LIMITING SENSITIVITY (dBm) 600 -50 -60 -70 -80 -90 Figure 12. Input Limiting versus Temperature -60 -40 -20 0 20 40 60 80 100 120 TA, AMBIENT TEMPERATURE (C) 140 Figure 13. Input Impedance, Pin 5 1.0 Cp = 4pF 0.5 Rp = 4k Y = 0.24 + j1.1 0.2 5.0 0 0.2 200M 0.5 1.0 2.0 1.0M 0.2 100M 10M 5.0 50M 30M 0.5 20M 2.0 1.0 Page 5 of 9 www.lansdale.com Issue B ML13055 LANSDALE Semiconductor, Inc. Legacy Information Page 6 of 9 www.lansdale.com Issue B Page 7 of 9 Figure 15. Internal Schematic 2 71 73 72 85 89 86 83 84 81 87 82 1 15 9 46 65 25 15 16 17 18 19 20 21 22 23 24 26 25 26 27 60 61 62 63 64 45 52 55 54 28 53 29 30 11 31 32 33 34 37 38 10 48 47 39 35 36 8 91 92 90 13 70 68 74 77 78 79 92 14 76 80 94 LANSDALE Semiconductor, Inc. Figure 15. d 69 67 12 66 16 www.lansdale.com 58 57 56 4 13 14 5 B B 6 7 51 49 50 59 3 ML13055 Issue B ML13055 LANSDALE Semiconductor, Inc. GENERAL DESCRIPTION The ML13055 is an extended frequency range FM IF, quadrature detector, signal strength detector and data shaper. It is intended primarily for FSK data systems. The design is very similar to ML3356 except that the oscillator/mixer has been removed, and the frequency capability of the IF has been raised about 2:1. The detector output configuration has been changed to a balanced, open-collector type to permit symmetrical drive of the data shaper (comparator). Meter drive and squelch features have been retained. The limiting IF is a high frequency type, capable of being operated up to 100 MHz. It is expected to be used at 40 MHz in most cases. The quadrature detector is internally coupled to the IF, and a 2.0 pF quadrature capacitor is internally provided. The 20 dB quieting sensitivity is approximately 20 V tuned input, and the IF , can accept signals up to 220 mVrms without distortion or change of detector quiescent DC level. The IF is unusual in that each of the last 5 stages of the 6 stage limiter contains a signal strength sensitive, current sinking device. These are parallel connected and buffered to produce a signal strength meter drive which is fairly linear for IF input signals of 20 V to 20 mVrms (see Figure 4). A simple squelch arrangement is provided whereby the meter current flowing through the meter load resistance flips a comparator at about 0.8 Vdc above ground. The signal strength at which this occurs can be adjusted by changing the meter load resistor. The comparator (+) input and output are available to permit control of hysteresis. Good positive action can be obtained for IF input signals of above 20 Vrms. A resistor (R) from Pin 13 to Pin 12 will provide VCC/R of feedback current. This current can be correlated to an amount of signal strength hysteresis by using Figure 4. The squelch is internally connected to the data shaper. Squelch causes the data shaper to produce a high (VCC) output. The data shaper is a complete "floating" comparator, with diodes across its inputs. The outputs of the quadrature detector can be fed directly to either or preferably both inputs of the comparator to produce a squared output swinging from VCC to ground in inverted or noninverted form. Page 8 of 9 www.lansdale.com Issue B LANSDALE Semiconductor, Inc. ML13055 OUTLINE DIMENSION P-DIP 16 (ML13055EP) PLASTIC PACKAGE CASE 648-08 ISSUE R B 1 8 -A16 9 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. DIM A B C D F G H J K L M S INCHES MIN MAX 0.740 0.770 0.250 0.270 0.145 0.175 0.015 0.021 0.040 0.70 0.100 BSC 0.050 BSC 0.008 0.015 0.110 0.130 0.295 0.305 0 10 0.020 0.040 MILLIMETERS MIN MAX 18.80 19.55 6.35 6.85 3.69 4.44 0.39 0.53 1.02 1.77 2.54 BSC 1.27 BSC 0.21 0.38 2.80 3.30 7.50 7.74 0 10 0.51 1.01 F S C L -TH G D 16 PL SEATING PLANE K J TA M M 0.25 (0.010) M -A- SO 16 (ML13055-5P) PLASTIC PACKAGE CASE 751B-05 (SO-16) ISSUE J 9 16 -B1 8 P 8 PL 0.25 (0.010) M B S G F NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOW ABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS MIN MAX 9.80 10.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 BSC 0.19 0.25 0.10 0.25 0 7 5.80 6.20 0.25 0.50 INCHES MIN MAX 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 BSC 0.008 0.009 0.004 0.009 0 7 0.229 0.244 0.010 0.019 K C -TSEATING PLANE R X 45 M D 16 PL M J 0.25 (0.010) TB S A S DIM A B C D F G J K M P R Lansdale Semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. Lansdale does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. "Typical" parameters which may be provided in Lansdale data sheets and/or specifications can vary in different applications, and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by the customer's technical experts. Lansdale Semiconductor is a registered trademark of Lansdale Semiconductor, Inc. Page 9 of 9 www.lansdale.com Issue B |
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