LOW POWER NARROWBAND FM IF

Transcription

1 Order this document by MC336B/D The MC336B includes an Oscillator, Mixer, Limiting Amplifier, Quadrature Discriminator, Active Filter, Squelch, Scan Control and Mute Switch. This device is designed for use in FM dual conversion communications equipment. Operates from 2. to 8. V Supply Low Drain Current 3. ma VCC =. Vdc Excellent Sensitivity: Input Limiting Voltage 3. db = 2.6 µv Typical Low Number of External Parts Required Operating Frequency Up to 6 MHz LOW POWER NARROWBAND FM IF SEMICONDUCTOR TECHNICAL DATA 6 P SUFFIX PLASTIC PACKAGE CASE 68 Not Recommended for New Design 6 Mixer Input 6 Oscillator Crystal Osc Gnd 5 2 Representative Block Diagram Squelch Trigger with Hysteresis Mixer Mute Mixer Output.8 k Scan Control VCC Squelch In 5 Limiter Input Limiter Amp.8 k Filter Output 6 Filter Amp 5 k 7 Decoupling This device contains 2 active transistors. Filter Input Recovered Audio Demodulator pf 52 k AF Amp 8 Quad Coil Device MC336BD MC336BP D SUFFIX PLASTIC PACKAGE CASE 75B (SO 6) PIN CONNECTIONS Crystal Osc 6 Mixer Input 2 5 Ground Mixer Output VCC Limiter Input Decoupling Audio Mute Scan Control Squelch Input Filter Output Filter Input Quad Coil 8 Demodulator Output (Top View) ORDERING INFORMATION Operating Temperature Range TA = 3 to 7 C Package SO 6 Plastic DIP MOTOROLA RF/IF DEVICE DATA Motorola, Inc. Rev

2 MC336B MAXIMUM RATINGS (TA = 25 C, unless otherwise noted.) Rating Pin Symbol Value Unit Power Supply Voltage VCC(max) Vdc Operating Supply Voltage Range VCC 2. to 8. Vdc Detector Input Voltage 8. Vpp Input Voltage (VCC. V) 6 V6. Vrms Mute Function V.5 to 5. Vpk Junction Temperature TJ 5 C Operating Ambient Temperature Range TA 3 to 7 C Storage Temperature Range Tstg 65 to 5 C NOTES:. Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the limits in the Electrical Characteristics tables or Pin Descriptions section. 2. ESD data available upon request. ELECTRICAL CHARACTERISTICS (VCC =. Vdc, fo =.7 MHz, f = ± 3. khz, fmod =. khz, TA = 25 C, unless otherwise noted.) Characteristic Pin Min Typ Max Unit Drain Current (No Signal) Squelch Off Squelch On ma Recovered Audio Output Voltage (Vin = mvrms) mvrms Input Limiting Voltage ( 3. db Limiting) µv Total Harmonic Distortion.86 % Recovered Output Voltage (No Input Signal) mvrms Drop Voltage AF Gain Loss 3..6 db Detector Output Impedance 5 Ω Filter Gain ( khz) (Vin =.3 mvrms) 5 db Filter Output Voltage..3.6 Vdc Mute Function Low 3 5 Ω Mute Function High. MΩ Scan Function Low (Mute Off ) (V2 =. Vdc) 3. Vdc Scan Function High (Mute On ) (V2 = Gnd) Vdc Trigger Hysteresis 5 mv Mixer Conversion Gain 3 28 db Mixer Input Resistance kω Mixer Input Capacitance pf 2 MOTOROLA RF/IF DEVICE DATA

3 MC336B Figure. Test Circuit VCC.25 MHz pf 68 pf Mixer Input.7 MHz murata CFU55D2 FL 2 k 3 5 MC336B Audio Mute 3 Scan Control k 2 SQ SW Input. 6 Filter Amp Out 7 k 5 7 Filter Amp In 8.2 k. 8 AF Output. Quad Coil FL murata Erie North America CFU55D2 or equivalent Quadrature Coil Toko America Type 7MC 828Z or equivalent C µf, unless noted AUDIO OUTPUT (mvrms) TA = 25 C Figure 2. Audio Output, Distortion versus Supply Voltage Audio Output Distortion AUDIO OUTPUT DISTORTION (%) AUDIO OUTPUT (mvrms) Figure 3. Audio Output, Distortion versus Temperature VCC =. V Audio Output Distortion AUDIO OUTPUT DISTORTION (%) VCC, SUPPLY VOLTAGE (V) TA, AMBIENT TEMPERATURE ( C) MOTOROLA RF/IF DEVICE DATA 3

4 MC336B. Figure. Ceramic Filter to Pin k. 3 2 R5.8 k R R2 R23 R2 R26 R k k R k Q3 R7 7. k.25 R R6 MHz 5. k 7. k Q R Q3 Q3 Q2 Q25 Q23 Q2 R6 k Q6 Q7 3.2 k Q5 V CC Figure. Low Voltage Low Power Narrowband FM IF L R 5 k 22 R28 k C2 6. C 6. Q Q Q8 67 Ω Q7 Q R3 5.6 k Q27 Q33 R25 2 k R7 k Q32 Q35 Q3 Q2 Q22 Q Q28 Q26 R8 k R2 R22 3. k 5 Q8 Quad Coil Q2 Q R8 Q5 3.3 k Q3 Q Q2 Q6 Q R R3 6.7 k R2 5 k R5 R R R3 R. k. k. k. k 5 k 25.7 MHz N 6. C3 5 R L R3 k R k 8 Q Q R82 82 k R6 R7 R75 R78 R52 R53 R55 R56 R58 R5 R6 R k Q7.6 k.6 k Q8.6 k k k k k k k k k R65 R66 C5 R8 k k Q82 Q83.6 k Q72 Q85 Q Q52 Q87 Q55Q56 Q58 Q5 Q6Q62 Q6 Q65 Q67Q68 Q7 Q75Q76 Q77Q78 R2 2 k R33 R Q Q2 Q7 Q5 Q6 Q8 Q88 Q8 C6 Q7 Q8 Q86 Q8 R R68 R3 R5 R7 52 k k.7 k 7.5 k 7.5 k R36 R38 2 k 25 k R3 R 5 k 5 k Q Q3 Q Q37 Q38 Q3 Q36 C R32 5 k R8.6 k R83 R73 32 k R76 R77 R7 R8 22 k k.6 k 56 R 5 k Q5 Q5 Q73 R72 7 R6 Q7.7 k Q53 Q57 Q6 Q63 Q66 Q6 Q5 R3 k R67 R7.6 k 7 R63.6 k R R6.3 k.3 k R5 R57 R k.6 k R8 R5.5 k.6 k R37.6 k 5 R6 5 k R5.8 k to C.F. V CC MOTOROLA RF/IF DEVICE DATA

5 MC336B LIMITING (db) Figure 5. Input Limiting Voltage Audio Output (. khz).. INPUT SIGNAL (mvrms) RELATIVE OUTPUT (db) Figure 6. Overall Gain, Noise and AM Rejection S N ± 3. khz FM Voltmeter Freq Range: Hz khz S N (3% AM).. INPUT SIGNAL (mvrms) N 7 Figure 7. Filter Amp Response 8 Figure 8. Filter Amp Gain GAIN (db) 3 2 GAIN (db) k k k f, FREQUENCY (Hz). M VCC, SUPPLY VOLTAGE (V) 8. Figure. Supply Current SUPPLY CURRENT (madc) Squelch On Squelch Off VCC, SUPPLY VOLTAGE (Vdc) 8. MOTOROLA RF/IF DEVICE DATA 5

6 MC336B Figure. Simplified Application VCC =. V Scan Control to PLL R7 8 k st IF.7 MHz from Input Front End C2.7 R k R. k C3 C R5 3.3 k R8.7 k VR2 (Squelch Control) k R 5 C. R 6.8 k R3 3.3 k C. R6 7 k C. C7.22 C VR 22 k AF Output to Audio Power Amp. MC336B.25 MHz C2 68 pf C3 22 pf 2 3 FL C C5 R2 2 k Quad Coil C6 Units: R : Ω C : µf unless noted FL murata Erie North America Type CFU55D2 or equivalent Quadrature Coil Toko America Type 7MC 828Z or equivalent 6 MOTOROLA RF/IF DEVICE DATA

7 MC336B OUTLINE DIMENSIONS P SUFFIX PLASTIC PACKAGE CASE 68 8 ISSUE R 6 H A 8 G F D 6 PL B S C K.25 (.) M T SEATING T PLANE A M J L M NOTES:. DIMENSIONING AND TOLERANCING PER ANSI Y.5M, CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL.. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. INCHES MILLIMETERS DIM MIN MAX MIN MAX A B C D F G. BSC 2.5 BSC H.5 BSC.27 BSC J K L M S D SUFFIX PLASTIC PACKAGE CASE 75B 5 (SO 6) ISSUE J T SEATING PLANE 6 8 G A K B D 6 PL.25 (.) M T B S A S P 8 PL.25 (.) M B S C M R X 5 J F NOTES:. DIMENSIONING AND TOLERANCING PER ANSI Y.5M, CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION.. MAXIMUM MOLD PROTRUSION 5 (.6) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 27 (.5) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS INCHES DIM MIN MAX MIN MAX A B C D F G.27 BSC.5 BSC J K M 7 7 P R MOTOROLA RF/IF DEVICE DATA 7

8 MC336B 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; JAPAN: Motorola Japan Ltd.; SPD, Strategic Planning Office,, P.O. Box 55, Denver, Colorado or Nishi Gotanda, Shinagawa ku, Tokyo, Japan Customer Focus Center: Mfax : RMFAX@ .sps.mot.com TOUCHTONE ASIA / PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre, Motorola Fax Back System US & Canada ONLY , Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong HOME PAGE: 8 MOTOROLA RF/IF DEVICE MC336B/D DATA

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