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| Order this document by MC2833/D MC2833 Low Power FM Transmitter System MC2833 is a one-chip FM transmitter subsystem designed for cordless telephone and FM communication equipment. It includes a microphone amplifier, voltage controlled oscillator and two auxiliary transistors. * Wide Range of Operating Supply Voltage (2.8-9.0 V) LOW POWER FM TRANSMITTER SYSTEM SEMICONDUCTOR TECHNICAL DATA * * * * * Low Drain Current (ICC = 2.9 mA Typ) Low Number of External Parts Required - 30 dBm Power Output to 60 MHz Using Direct RF Output + 10 dBm Power Output Attainable Using On-Chip Transistor Amplifiers Users Must Comply with Local Regulations on R.F. Transmission (FCC, DOT, P.T.T., etc) P SUFFIX PLASTIC PACKAGE CASE 648 D SUFFIX PLASTIC PACKAGE CASE 751B (SO-16) Representative Block Diagram PIN CONNECTIONS 1 RF Osc 2 Variable Reactance 15 16 Variable Reactance Output Decoupling Buffer Mic Amp 4 13 14 Modulator Input Mic Amp Output Mic Amp Input Gnd Tr 1 Emitter 6 11 Tr 1 Base 1 2 3 4 5 6 7 8 16 15 14 RF Output RF Osc 3 Tr 2 13 Base 12 Tr 2 Emitter - 5 + 12 Tr 2 11 Collector 10 VCC 9 Tr 1 Collector 7 VREF 10 ORDERING INFORMATION 8 9 Device MC2833D MC2833P TA = - 30 to +75C Operating Temperature Range Package SO-16 Plastic DIP Rev 1 (c) Motorola, Inc. 1996 MOTOROLA ANALOG IC DEVICE DATA 1 MC2833 MAXIMUM RATINGS Ratings Power Supply Voltage Operating Supply Voltage Range Junction Temperature Operating Ambient Temperature Storage Temperature Range Symbol VCC VCC TJ TA Tstg Value 10 (max) 2.8-9.0 + 150 - 30 to + 75 - 65 to + 150 Unit V V C C C ELECTRICAL CHARACTERISTICS (VCC = 4.0 V, TA = 25C, unless otherwise noted) Characteristics Drain Current (No input signal) FM MODULATOR Output RF Voltage (fo = 16.6 MHz) Output DC Voltage (No input signal) Modulation Sensitivity (fo = 16.6 MHz) Modulation Sensitivity (Vin = 0.8 V to 1.2 V) Maximum Deviation (fo = 16.6 MHz) Maximum Deviation (Vin = 0 V to 2.0 V) MIC AMPLIFIER Closed Loop Voltage Gain (Vin = 3.0 mVrms) Closed Loop Voltage Gain (fin = 1.0 kHz) Output DC Voltage (No input signal) Output Swing Voltage (Vin = 30 mVrms) Output Swing Voltage (fin = 1.0 kHz) Total Harmonic Distortion (Vin = 3.0 mVrms) Total Harmonic Distortion (fin = 1.0 kHz) Av Vout dc Vout p-p THD 4 5 4 4 4 27 - 1.1 0.8 - 30 - 1.4 1.2 0.15 33 - 1.7 1.6 2.0 dB V Vp-p % Vout RF Vdc SEN Fdev 14 14 3 14 3 14 60 2.2 7.0 - 3.0 - 90 2.5 10 - 5.0 - 130 2.8 15 - 10 - mVrms V Hz/mVdc kHz Symbol ICC Pin 10 Min 1.7 Typ 2.9 Max 4.3 Unit mA AUXILIARY TRANSISTOR STATIC CHARACTERISTICS Characteristics Collector Base Breakdown Voltage (IC = 5.0 A) Collector Emitter Breakdown Voltage (IC = 200 A) Collector Substrate Breakdown Voltage (IC = 50 A) Emitter Base Breakdown Voltage (IE = 50 A) Collector Base Cut Off Current (VCB = 10 V) Collector Base Cut Off Current (IE = 0) DC Current Gain (IC = 3.0 mA) DC Current Gain (VCE = 3.0 V) Symbol V(BR)CBO V(BR)CEO V(BR)CSO V(BR)EBO ICBO hFE Min 15 10 - - - 40 Typ 45 15 70 6.2 - 150 Max - - - - 200 - Unit V V V V nA - AUXILIARY TRANSISTOR DYNAMIC CHARACTERISTICS Current Gain Bandwidth Product (VCE = 3.0 V) Current Gain Bandwidth Product (IC = 3.0 mA) Collector Base Capacitance (VCE = 3.0 V) Collector Base Capacitance (IC = 0) Collector Substrate Capacitance (VCS = 3.0 V) Collector Substrate Capacitance (IC = 0) fT CCB CCS - - - 500 2.0 3.3 - - - MHz pF pF 2 MOTOROLA ANALOG IC DEVICE DATA MC2833 Figure 1. Test Circuit 5.1 H Mod Out 0.0047 F 2 15 68 pF Mod In Mic Amp Out 220 k Mic Amp In 5 6.3 k 6 11 Collector 2 3 14 RF Out 16.605 MHz 16 39 pF Crystal: fo CL Co RS = = = = 16.605 MHz 30 pF 6.1 pF 10 Max 1 4 13 Base 2 MC2833 12 Emitter 2 Emitter 1 7 10 + 47 F 0.01 F Collector 1 Base 1 8 9 Figure 2. Single Chip VHF Narrowband FM Transmitter Lt X1 1 Variable Reactance RF Osc. 16 56 p 15 51 p Cc1 47 p Mic Amp 0.22 C1 390 k 1.0 k Q2 12 L1 C2 1000 p 4700 p 100 k 2 3 4700 p Deviation Adjust 120 k Audio Input Dynamic Mike 100 k 4 -+ 1.0 5 Buffer 14 13 2.7 k 4.7 k Re1 1.0 k 470 p 6 11 C3 7 Q1 8 VREF 10 470 p 9 L2 C4 C5 RF Output 5.0 to 10 dBm (see Note 4) Electret (alternate) Microphone and biasing Rb1 Cc2 + VCC = 9.0 Vdc NOTES: 1. Components versus output frequency: Output RF X1 (MHz) Lt (H) L1 (H) L2 (H) Re1 Rb1 Cc1 Cc2 C1 C2 C3 C4 C5 49.7 MHz 16.5667 3.3-4.7 0.22 0.22 330 390 k 33 p 33 p 33 p 470 p 33 p 47 p 220 p 76 MHz 12.6000 5.1 0.22 0.22 150 300 k 68 p 10 p 68 p 470 p 12 p 20 p 120 p 144.6 MHz 12.05 5.6 0.15 0.10 150 220 k 47 p 10 p 68 p 1000 p 18 p 12 p 33 p Crystal X1 is fundamental mode, calibrated for parallel resonance with a 32 pF load. The final output frequency is generated by frequency multiplication within the MC2833 IC. The RF output buffer (Pin 14) and Q2 transistor are used as a frequency tripler and doubler, respectively, in the 76 and 144.6 MHz transmitters. The Q1 output transistor is a linear amplifier in the 49.7 MHz and 76 MHz transmitters, and a frequency doubler in the 144.6 MHz transmitter. All coils used are 7 mm shielded inductors, CoilCraft series M1175A, M1282A-M1289A, M1312A or equivalent. Power output is + 10 dBm for 49.7 MHz and 76 MHz transmitters, and + 5.0 dBm for the 144.6 MHz transmitter at VCC = 8.0 V. Power output drops with lower VCC. All capacitors in microfarads, inductors in Henries and resistors in Ohms unless otherwise specified. Other frequency combinations may be set-up by simple scaling of the 3 examples shown. 1.0 F tantalum 2. 2. 2. 3. 4. 4. 5. 6. MOTOROLA ANALOG IC DEVICE DATA 3 MC2833 Figure 3. Buffer/Multiplier (x3, Pin 14) (16 MHz Fundamental) Figure 4. Input to Doubler (Pin 13) (49.7 MHz x 3 Component) Figure 5. Doubler Output 76 MHz (Pin 11) Figure 6. Spectrum 38 MHz 76 MHz Figure 7. Output Spectrum (49.7 MHz) Figure 8. Modulation Spectrum (1.0 kHz Showing Carrier Null) - 43 dB 4 MOTOROLA ANALOG IC DEVICE DATA MC2833 Figure 9. 144.6 MHz/x12 Multiplier Figure 10. Circuit Side View OUT GND VCC IN MC2833P Figure 11. Ground Plane on Component Side MC2833P MOTOROLA ANALOG IC DEVICE DATA 5 MC2833 Figure 12. Component View 2.0 Lt X1 XTAL 56p SM 47p C1 SM Cc1 51p SM .22 H 4.7 Kp 100K 100K MC2833P 4.7 Kp 120K 1.0 Re1 390K 1K C2 1Kp 470p 1K 470p C5 SM 4.7 K 2.7K Cc2 Rb1 C4 SM L2 MC2833P NOTES: * * * * * Positive artwork provided. Drill holes must be plated to ensure making all ground (VEE) connections! Resistors labelled * are used for biasing of electret microphone if used. Capacitors labelled SM are silver mica. Final board size 1.5 x 2.0. 6 C3 SM L1 1.5 1.0 MOTOROLA ANALOG IC DEVICE DATA MC2833 Figure 13. Circuit Schematic Pin 4 50 Pin 9 Pin 7 820 Pin 8 Pin 11 Pin 12 50 15 k 24 k 6.8 k Pin 13 Pin 10 Pin 14 520 Pin 15 470 10 k Pin16 18 k 570 Pin 5 6.8 k 15 k 18 k 4.7 k 8.5 k Pin 1 120 2.2 k Pin 2 2.2 k 120 610 2.2 k 570 20.2 k 18 k 9.7 k 4.7 k 2.2 k 8k 56 k Pin 3 18 k Pin 6 MOTOROLA ANALOG IC DEVICE DATA 7 MC2833 OUTLINE DIMENSIONS P SUFFIX PLASTIC PACKAGE CASE 648-08 ISSUE R 9 -A- 16 B 1 8 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 -T- H G D 16 PL SEATING PLANE K J TA M M 0.25 (0.010) M -A- D SUFFIX PLASTIC PACKAGE CASE 751B-05 (SO-16) ISSUE J 9 16 -B- 1 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. ALLOWABLE 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 -T- SEATING 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 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 303-675-2140 or 1-800-441-2447 JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 81-3-3521-8315 MfaxTM: RMFAX0@email.sps.mot.com - TOUCHTONE 602-244-6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, - US & Canada ONLY 1-800-774-1848 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298 INTERNET: http://www.mot.com/SPS/ 8 MC2833/D MOTOROLA ANALOG IC DEVICE DATA |
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