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FULL SIZE D.I.L.
VOLTAGE CONTROLLED OSCILLATORS PECL, 0 to 70C
ECLPS Complementary Thru-Hole VCXOs, 5V
These ECLPS VCXOs are our most advanced fixed frequency types. They are based on the same logic as our M2900s fixed frequency oscillators, and therefore exhibit identical waveform characteristics. These thru-hole VCXOs are designed for compatibility with digital and communications systems based on the ECLPS family of high speed ECL logic. Users have a choice of the three most widely used combinations of pull, control voltage and center frequency deviation. The oscillators are available at frequencies from 15 to 175 MHz. Standard frequency stability is 20 ppm. All models have dual complementary outputs. All feature 250 ps typical rise/fall times and provide superior jitter. Their low output impedance and dual complementary outputs preserve waveform symmetry when sending the timing waveforms over appreciable distance. Output symmetry of 45/55 is standard. Designed originally for advanced SONET applications, their combination of advanced characteristics provides special appeal to designers of highly evolved phase-locked-loop circuits. They provide tight control of the voltage-to-frequency (F/V) transfer function and feature jitter specifications of less than 100 picoseconds peak-to-peak. Typical jitter is 12.12 ps RMS. These VCXOs are hermetically sealed in full size (M) or wide (W) DIL packages. Models W2901 through W2903 accept control voltage input on pin 1, while Models W2961 through W2963 accept control voltage on pin 6. All models are tested and guaranteed over full 0C to 70C temperature.
M2901 thru M2903 L2901 thru L2903
DOUBLE WIDE D.I.L.
W2901 thru W2903 W2961 thru W2963
Thru-Hole, 5V ECLPS Complementary Output
15 MHz to 175 MHz
These VCXO's provide complementary ECL outputs thru 175 MHz with extremely fast rise and fall times. Each oscillator is computer tuned and computer tested to guarantee stability and frequency pull at 0, 25 and 70 degrees C. All oscillators will capture the rated pull at all operating temperatures.
* * * * * * * Used in Sonet ST33 interface for generation of the transmitter data clock. Will drive standard interface chips in complementary ECL. Duty Cycle is typically 48/52 Three frequency deviation choices. Output is ECL with typical rise and fall times of 225 ps. Exceptional linearity with Deviation Sensitivity Ratio not exceeding 2.0. Package is choice of double DIL, standard DIL with 7 pins (M1) or low profile (L1).
LOAD All outputs must be loaded with 270 ohms to ground, or 50 ohms to +3V. COMPATIBILTY Outputs will drive all ECL families when they are operated in PECL configurations.
0.98 max (24.89)
DOT DENOTES PIN 1
Square corner indicates Pin 1
0.80 max (20.32)
.20 MAX .20 MIN.
.800 .005
0.275 max (6.99)
.068/025 100 TYP (NON ACCUMULATIVE) 2 14 5 9 7 8
Pin 1
.200 MAX .270 MAX .018 .001
150
.300 .005 .500 .005
.600 .005 Pin 1 Other pins Pin 7 .520 .005 .300 . 005 Pin 14 Other pins Pin 8
.300 .005 44 MAX .800 .005
.100 typ 0.20/0.30 (.025) (.50/.76) 0.700 .005 0.20.24 (17.78 .13) (0.51/.61 Centrally Located Pin 1 .016/.019 Dia (.41/.48), 16 pins 8 0.600 .005 Centrally Located 16 9 Glass Insulators (3)
"M-1" Package - "L-1" Package is same as "M" but seated height is 0.190
"M-1" Package with Gull Wing
"W1" Package
ELECTRONICS
10 Commerce Drive, New Rochelle, NY10801 * 914-576-6570 * Fax: 914-576-6204 * http://www.mfelectronics.com * email:sales@mfelectronics.com 106
FULL SIZE D.I.L.
VOLTAGE CONTROLLED OSCILLATORS PECL, 0 to 70C Thru-Hole, 5V ECLPS Complementary Output
15 MHz to 175 MHz
M2901 thru M2903 L2901 thru L2903
DOUBLE WIDE D.I.L.
W2901 thru W2903 W2961 thru W2963
ONE DIL WIDE, M1 Package
Control Voltage for Nominal (Center) Freq. 2.5 volts Frequency Stability @ Center 20 ppm Frequency Deviation 0.5 volts -50 to -100 ppm -75 to -150 ppm -100 to -200 ppm 4.5 volts 50 to 100 ppm 75 to 150 ppm 100 to 200 ppm
MECHANICAL SPECIFICATIONS Shock Vibration Humidity Gross Leak Fine Leak Pins Bend Test Header Case Marking Resistance to Solvents Storage Temperature 1000 g's, 0.35 ms. 1/2 sine wave, 3 shocks in each plane 10-2000 Hz of .06" d.a. or 20 g's, whichever is less Resistant to 85% RH at 85C Each unit is checked in 125C flourocarbon Mass spectrometer leak rate less than 2 x 10 -8 atmos, cc/sec of helium Kovar, with 7 microinch gold over nickel Will withstand two bends of 90 from reference Steel with gold over nickel Stainless steel, type 304 Resistant to 85% RH at 85C MIL STD 202, Method 215 -55 to +125C
Model M2901 M2902 M2903
DOUBLE DIL WIDE, W1 Package
Voltage Control on Pin 1 W2901 W2902 W2903 Voltage Control Control Voltage on for Nominal Pin 6 (Center) Freq. W2961 W2962 W2963 2.5 volts 20 ppm Frequency Stability @ Center Frequency Deviation 0.5 volts -50 to -100 ppm -75 to -150 ppm -100 to -200 ppm 4.5 volts 50 to 100 ppm 75 to 150 ppm 100 to 200 ppm
SPECIFICATIONS Temperature Operating
0 to 70C MIN. 4.5 TYP 5.0 MAX 5.5 UNITS volts
Input Voltage, VDD Input Current, including load current of both ouputs at 4.5V at 5.0V at 5.5V Output Levels (PECL), at 5.0 VDD "0" Level, "1" Level, Symmetry differential Input Impedance Control Voltage Bandwith Frequency Stability Control Voltage, Vc Jitter, with Tektronix 11801B & SD22 Head in jitter color mode (at 155.52M) Linearity, best straight line, percent of total Rise Time (20 to 80%) Fall Time (20 to 80%)
ENVIRONMENTAL SPECIFICATIONS Temperature Cycle - Not to exceed 5 ppm change when exposed to 2 hours maximum at each temperature from 0 to 120C, with 25C reference Shock - 1000 G's, 0.35 ms, 1/2 sine wave, 3 shocks in each plane Vibration - 10-2000 Hz of .06" d.a. or 20 G's, whichever is less Humidity - Resistant to 85 R.H. at 85C
60 68 76
ma ma ma
CONNECTIONS
4.02 3.2 4.1 3.37 volts volts All single DIL models Pin 1 2 5 7 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Used For Control Voltage Input, Vc Not Used Not Used Ground, VSS Control Voltage Input Not Used Not Used Not Used Not Used Not Used Not Used Ground, VSS Not Used Not Used Not Used Not Used Not Used Control Voltage Input, Vc Not Used Ground, VSS Pin 8 9 14 9 10 11 12 13 14 15 16 9 10 11 12 13 14 15 16 Used For Output 1 Output 2 (Complement) +5V, VDD Output 1 Output 2 Not used Not used Not used Not used Not used +5V, VDD Output 1 Output 2 Not used Not used Not used Not used Not used +5V, VDD
48/52 50 10 1000 20
45/55 Kohms KHz W2901W2903
0
0.5 to 4.5
15
Volts, DC W2961W2963
80 5 100 100 225 225
100 10 350 350
ps, Pk-Pk % ps ps
ELECTRONICS
10 Commerce Drive, New Rochelle, NY10801 * 914-576-6570 * Fax: 914-576-6204 * http://www.mfelectronics.com * email:sales@mfelectronics.com 107
FULL SIZE D.I.L.
VOLTAGE CONTROLLED OSCILLATORS PECL, 0 to 70C Thru-Hole, 5V ECLPS Complementary Output
15 MHz to 175 MHz
M2901 thru M2903 L2901 thru L2903
DOUBLE WIDE D.I.L.
W2901 thru W2903 W2961 thru W2963
Waveforms taken on TEK 11801B with SD-22 Head
Fig. 1: 155.52 MHz PECL oscillator, showing steep rise and fall times and excellent duty cycle. Levels have 900 mv difference between "1" and "0". Overshoots are caused by inductance of socket.
Fig. 2: 155.52 MHz oscillator with expansion of transition at 3.7 volts; speed is 3 mv/ps. Jitter is shown by the histogram, slicing the waveform at 3.7 volts. Distribution is unimodal, with peak-peak jitter of 57 ps.
Fig. 3: 155.52 MHz oscillator showing no lower frequency component below 155.52 MHz. Second, and even harmonics are 21 db below fundamental. Odd harmonics which support the excellent square wave are present through the 11th harmonic.
HOW TO ORDER
For Part Number, put package type before model number, and add frequency in MHz, for example:
M 2 9 0 1- 1 5 5 . 5 2 M
Note: For Gull Wing, add "G" to part number
"M" is full size DIL "W" is double wide DIL "L" is low height, full size DIL
"2901" is model type
"155.52 M" frequency in MHz
ELECTRONICS
10 Commerce Drive, New Rochelle, NY10801 * 914-576-6570 * Fax: 914-576-6204 * http://www.mfelectronics.com * email:sales@mfelectronics.com 108

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