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MC100EL1648
LOW POWER VOLTAGE CONTROLLED OSCILLATOR
SEMICONDUCTOR TECHNICAL DATA
Low Power Voltage Controlled Oscillator
The MC100EL1648 requires an external parallel tank circuit consisting of the inductor (L) and capacitor (C). A varactor diode may be incorporated into the tank circuit to provide a voltage variable input for the oscillator (VCO). This device may also be used in many other applications requiring a fixed frequency clock. The MC100EL1648 is ideal in applications requiring a local oscillator. Systems include electronic test equipment and digital high-speed telecommunications. The MC100EL1648 is based on the VCO circuit topology of the MC1648. The MC100EL1648 has been realized utilizing Motorola's MOSAIC III advanced bipolar process technology which results in a design which can operate at a much higher frequency than the MC1648 while utilizing half the current. The ECL output circuitry of the MC100EL1648 is not a traditional open emitter output structure and instead has an on-chip termination resistor with a nominal value of 500 ohms. This facilitates direct ac-coupling of the output signal into a transmission line. Because of this output configuration, an external pull-down resistor is not required to provide the output with a dc current path. This output is intended to drive one ECL load. If the user needs to fanout the signal, an ECL buffer such as the MC10EL16 Line Receiver/Driver should be used. NOTE: The MC100EL1648 is NOT useable as a crystal oscillator.
8 1
D SUFFIX PLASTIC PACKAGE CASE 751 (SO-8)
PIN CONNECTIONS
Vref 8 GND 7 GND 6 AGC 5
* * * *
Typical Operating Frequency Up to 1100 MHz Low-Power 20 mA at 5.0 Vdc Power Supply 8-Pin SOIC Package Phase Noise -90 dBc/Hz at 25 kHz Typical
1
2
3
4 OUT
BLOCK DIAGRAM
(Typical Test Circuit)
TANK
VCC VCCO (Top View)
0.1F
0.1F
ORDERING INFORMATION
Vin 51K 8 Vref 7 6 5 AGC GND GND * The 1200 resistor and the scope termination impedance constitute a 25:1 attenuator probe. 1200* Fout 0.1F 0.01F VCCO Device MC100EL1648D Operating Temperature Range TA = -40 to 85C Package SO-8
TANK VCC VCCO OUT 1 2 3 4 VCC = 4.5 to 5.5 V 0.01F 0.1F 100 F 100F
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.
(c) Motorola, Inc. 1999
Rev 0, 08/1999
MOTOROLA RF/IF DEVICE DATA
1
MC100EL1648
MAXIMUM RATINGS Parameter
Power Supply Voltage, Pins 2, 3 Operating Temperature Range Storage Temperature Range
NOTE: ESD data available upon request.
Symbol
VCC TA Tstg
Value
-0.5 to 7.0 -40 to 85 -65 to 150
Unit
Vdc C C
ELECTRICAL CHARACTERISTICS (VCC = 5.0 V; TA = -40 to 85C, unless otherwise noted.)
Characteristic Supply Current Output Level HIGH (1.0 M Impedance) Output Level LOW (1.0 M Impedance) CSR @ 25 kHz Offset, 1.0 Hz BW CSR @ 1.0 MHz Offset, 1.0 Hz BW SNR (Signal to Noise Ratio from Carrier) Frequency Stability Supply Drift Thermal Drift Second Harmonic (from Carrier) Symbol ICC VOH VOL Min - 3.95 3.04 - - - - - - Typ 19 4.17 3.41 -90 -120 40 3.6 0.1 -25 Max 25 4.61 3.60 - - - - - - Unit mA V V dBc/Hz dBc/Hz dB KHz/mV KHz/C dBc
L(f) L(f)
SNR Fsts Fstt H2
Figure 1. Circuit Schematic
VCC 2 VCCO 3
Q9 Q3 Q2
Q1
4 OUT Q4 Q11 Q10 Q7 Q6 D1 Q5 D2 Q8 510
6 GND
8 Vref
1 TANK
7 GND
5 AGC
2
MOTOROLA RF/IF DEVICE DATA
MC100EL1648
Figure 2. Typical Evaluation Results
(CSR MC100EL1648 5.0 Vdc; VCC @ 25C; 930 MHz CW) 0 -20 -40 dBc/Hz -60 -80 -100 -120 -140
1K
10K
100K
1M
10M
100M
L (f) [dBc/Hz] versus f [Hz]
Tank Component Suppliers Below are suppliers who manufacture tuning varactors and inductors which can be used to build an external tank circuit. Motorola has used these varactors and inductors for evaluation purposes, however, there are other vendors who manufacture similar products. Coilcraft Inductors A01T thru A05T Coilcraft-Coilcraft, Inc. 1102 Silver Lake Rd. Gary, Illinois 60013 708-639-6400 Loral Tuning Varactors GC1500 Series Loral 16 Maple Road Chelmsford, Massachusetts 01824 508-256-8101 or 508-256-4113 Alpha Tuning Diodes DVH6730 Series Alpha Semiconductor Devices Division 20 Sylvan Road Woburn, MA 01801 617-935-5150
* At 1.1 GHz, use a Coilcraft A0IT Springair coil at 2.5 nH and a Loral Varactor 3.0 to 8.0 pF at VIN = 1.0 to 5.0 V.
MOTOROLA RF/IF DEVICE DATA
3
MC100EL1648
OUTLINE DIMENSIONS
D SUFFIX PLASTIC PACKAGE CASE 751-06 (SO-8) ISSUE T A
8
D
5
C
E
1 4
H
0.25
M
B
M
h B C e A
SEATING PLANE
X 45 _
NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. DIMENSIONS ARE IN MILLIMETER. 3. DIMENSION D AND E DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 5. DIMENSION B DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS OF THE B DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A A1 B C D E e H h L MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 4.80 5.00 3.80 4.00 1.27 BSC 5.80 6.20 0.25 0.50 0.40 1.25 0_ 7_
q
L 0.10 A1 B 0.25
M
CB
S
A
S
q
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. 1-303-675-2140 or 1-800-441-2447 Customer Focus Center: 1-800-521-6274 MfaxTM: RMFAX0@email.sps.mot.com - TOUCHTONE 1-602-244-6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre, Motorola Fax Back System - US & Canada ONLY 1-800-774-1848 2, Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong. - http://sps.motorola.com/mfax/ 852-26668334 HOME PAGE: http://motorola.com/sps/ JAPAN: Motorola Japan Ltd.; SPD, Strategic Planning Office, 141, 4-32-1 Nishi-Gotanda, Shinagawa-ku, Tokyo, Japan. 81-3-5487-8488
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MC100EL1648/D MOTOROLA RF/IF DEVICE DATA

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