VOLTAGE CONTROLLED (VCXO) Q-TECH CORPORATION CRYSTAL CLOCK OSCILLATORS -5.2Vdc & 5.0Vdc - 1kHz to 155.52MHz Description Q-Tech's voltage-controlled crystal oscillators (VCXO) consist of a varactor diode and associated circuitry such as a bipolar transistor or logic IC amplifier, logic output buffers and/or logic divider stages, and a round AT high-precision quartz crystal built in a wide selection of Dual-In-Line (DIP) or Surface -Mount (SMT) hermetically sealed packages. Features * Made in the USA * ECCN: EAR99 * DFARS 252-225-7014 Compliant: Electronic Component Exemption * USML Registration # M17677 * Wide frequency range from 1kHz to 155.52MHz * Wide operating temperature range -55C to +125C * Choice of output logic options ( ACMOS, HCMOS, LVHCMOS, TTL, Sine, and ECL outputs) * Supply voltage -5.2Vdc & 5Vdc 10% * Hermetically sealed package * Tight or custom symmetry available * Wide pull range up to 500ppm (optional) * Special linearity (<5%, <10% optional) * Positive or Negative Transfer function * Bipolar control (Vc) * Fundamental designs * Q-Tech does not use pure lead or pure tin in its products * RoHS compliant Applications * * * * * Frequency synthesis Clock recovery Phase-lock loop (PLL) applications Telecommunication Applications requiring frequency modulation or electronic control of the oscillator frequency Q-Tech offers custom design VCXOs in SMT packages (QT78, QT88) at 3.3 Vdc and 5.0Vdc up to 72MHz. Please contact Q-Tech for details. Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com Voltage Controlled (VCXO) (Revision E, August 2010) (ECO# 9940) 1 VOLTAGE CONTROLLED (VCXO) CRYSTAL CLOCK OSCILLATORS -5.2Vdc & 5.0Vdc - 1kHz to 155.52MHz Q-TECH CORPORATION Electrical Characteristics Parameters ACMOS QT6, 18, 41, 42 QT50 QT57 Output freq. range (Fo) (See note 1) QT24 QT62 QT75 Supply voltage (Vcc) (See note 2) Maximum Applied Voltage (Vdd max.) Freq. stability (F/T) Operating temp. (Topr) Storage temp. (Tsto) 375kHz -- 70MHz HCMOS TTL SINE 1MHz -- 27MHz N/A 1MHz -- 155.52MHz N/A N/A N/A 1kHz -- 70MHz 375kHz -- 27MHz 1kHz -- 155.52MHz 1kHz -- 70MHz 1MHz -- 27MHz 15MHz -- 70MHz 5.0Vdc 10% -0.5 to +7.0Vdc 375kHz -- 70MHz 25 mA max. Fo < 35 mA max. Fo ~ 45 mA max. Fo ~ 65 mA max. Fo ~ Symmetry (See note 3) Rise and Fall times (Tr/Tf) (with typical load) 20MHz 20MHz to < 30MHz 30MHz to < 70MHz 70MHz to 155.52MHz 65mA max. 45/55% max. Fo < 12MHz 40/60% max. Fo~ 12MHz to 155.52MHz 6ns max. Fo < 30MHz 3ns max. Fo ~ 30MHz to 155.52MHz 15pF // 10k 10TTL Fo < 20MHz 6TTL Fo 20 MHz 0V to 5Vdc Output Load Control Voltage Vc (See note 4) Frequency pulling (See note 5) Transfer function (See note 6) Linearity (See note 7) Modulation bandwidth Input impedance Output logic Harmonics (See note 8) Subharmonics (See note 8) 65 mA max. Fo < 50MHz 85 mA max. Fo ~ 50MHz to 155.52MHz 40 / 60% max. N/A N/A 50 3.5ns max. Fo < 125MHz 3.0ns max. Fo ~ 125MHz to 155.52MHz 50 into Vcc -2V 0V to -5.2Vdc 0V to 5Vdc 10K / 10KHECL PECL 100ppm min. Positive 10% max. up to 10kHz > 10k ACMOS HCMOS Sine, 0dBm min. -20dBc max. -30dBc max. 10Hz -70dBc / Hz 100Hz -95dBc / Hz 1kHz -120dBc / Hz 10kHz -135dBc / Hz 100kHz -145dBc / Hz 10ms max. TTL N/A Phase noise (typ.) (See note 9) Start-up time Notes: Custom designs are available with Q-Tech custom MCM part numbers. 6. 7. 8. 9. Other frequencies and packages are available. Please contact for details. Other supply voltages are available. Please contact for details. Tighter symmetry is available other than 40/60% max. Other Vc and bipolar control voltages are available. Please contact for details. Wide frequency pulling is available up to 500ppm min. APR is also available. Q-TECH Corporation PECL 12MHz -- 27MHz N/A 12MHz -- 155.52MHz Please call N/A N/A -5.2Vdc 5% 5.0Vdc 5% (PECL) -0.5 to +7.0Vdc 0 to -8.0Vdc See Option codes See Option codes -62C to + 125C Operating supply current (No Load) 1. 2. 3. 4. 5. ECL - 10150 W. Jefferson Boulevard, Culver City 90232 Voltage Controlled (VCXO) (Revision E, August 2010) (ECO# 9940) - N/A Negative transfer function is available. Better linearity than 10% is available. Harmonics better than -20dBc and subharmonics better than -30dBc are available. Phase noise screening test is available. Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech .co m 2 VOLTAGE CONTROLLED (VCXO) CRYSTAL CLOCK OSCILLATORS -5.2Vdc & 5.0Vdc - 1kHz to 155.52MHz Q-TECH CORPORATION Package Configuration Versus Pin Connections QT41V QT6V Q-TECH P/N FREQ. D/C S/N QT42V Q-TECH MCM FREQ. D/C S/N QT50V Q-TECH MCM FREQ. D/C S/N Q-TECH MCM FREQ. D/C S/N .200 MAX. (5.08) .200 MAX. (5.08) .200 MAX. (5.08) .200 MAX. (5.08) .200 MIN. (5.08) .200 MIN. (5.08) .200 MIN. (5.08) .250 MIN. (6.35) .018 .018 (.457) (.457) .600 .600 (15.24) (15.24) .800 .880 MAX. (22.35) (20.32) .018 (.457) .020 .600 (.508) 7 .505 MAX. .300 (12.83) .800 MAX. (20.32) 1 o .060 (o 1.52) 8 .300 14 .300 (7.62) 8 .100 (2.54) 14 7 8 1 Vcc GND Out Vc 4 .505 SQ. MAX. .505 MAX. (12.83) 14 7 8 1 (7.62) 8 5 Vcc GND Out Vc 14 7 8 1 SQ. 5 Vcc GND Out Vc o .080 (o 2.03) (12.83) .300 (7.62) 8 Vcc GND Out Vc 1 4 .505 MAX. (12.83) 7 (7.62) 14 .020 (.508) (15.24) MAX. 1 1 .018 (.457) 8 4 5 1 QT57V QT75V QT62V QT24V Q-TECH P/N FREQ. D/C S/N 6 Q-TECH P/N FREQ. D/C S/N 12 1 44 40 Q-TECH P/N FREQ. D/C S/N 4 34 3 Q-TECH P/N FREQ. D/C S/N 1 .200 MAX. (5.08) 2 .085 MAX. (2.16) .120 MAX. (3.05) .115 MAX (2.92) .250 MIN. (6.35) .018 (0.457) .060/.045 .010 (1.52/1.14) (.254) .980 + 010 .550 - .005 (13.97 .700 (17.78) (24.89) .025 (.635) .625 SQ. (15.88) .050 (1.27) MAX. .500 SQ. (12.70 ( .050 (1.27) (5.08) 1 10 34 12 ( .650 SQ. (16.51) 8 .600 9 Vcc GND Out Vc 16 8 9 1 .805 MAX. (20.45) 1 .350 +010 -.005 (8.89 +.25 ) -.127 SQ. (4x) (1.27) 4 (15.24) 16 2 11 .050 1 +.25 ) -.127 .200 3 20 .015 (.381) 6 Vcc GND Out Vc 13 10 11 12 1 44 Vcc GND Out Vc 40 6, 12 34, 40 42 41 .050 (1.27) Vcc GND Out Vc 4 2 3 1 .100 (2.54) Dimensions are in inches (mm) Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com Voltage Controlled (VCXO) (Revision E, August 2010) (ECO# 9940) 3 VOLTAGE CONTROLLED (VCXO) CRYSTAL CLOCK OSCILLATORS -5.2Vdc & 5.0Vdc - 1kHz to 155.52MHz Q-TECH CORPORATION Ordering Information Sample part number QT50VAC9M-20.000MHz QT 50 V AC 9 M - 20.000MHz T = Standard S = Solder Dip (*) Output frequency Screened to MIL-PRF-55310,level B (Left blank if no screening) Model # (See page 3) AC HC T S E EH PE = = = = = = = ACMOS +5V HCMOS +5V TTL +5V Sine +5V 10KECL -5.2V 10KHECL -5.2V PECL +5V 1 4 5 6 9 10 11 12 = = = = = = = = 100ppm 50ppm 25ppm 50ppm 50ppm 100ppm 50ppm 100ppm at at at at at at at at 0C 0C -20C -55C -55C -55C -40C -40C to +70C to +70C to +70C to +105C to +125C to +125C to +85C to +85C Packaging Options Other Options Available For An Additional Charge * * * * * Lead forming available on all packages. Please contact for details. * (*) Hot Solder Dip Sn60 per MIL-PRF 55310 * P. I. N. D. test (MIL-STD 883, Method 2020) * Lead trimming * J-leads attached (QT75) Standard packaging in black foam (DIP) Standard packaging in a locked anti-static cardboard (QT24) Standard packaging anti-static plastic tube (QT75) Optional Tape and Reel Specifications subject to change without prior notice. Key parameters of a VCXO: * * * * * * Nominal Frequency (Fo): Output frequency at center control voltage Vc. Control Voltage: The available voltage range at the input of the VCXO to vary the frequency (i.e., 0 - 5V, 4V, etc.). Deviation (pull range): The change in the output frequency as a function of control voltage. Transfer Function (sense): Direction of change in frequency as a function of control voltage. Temperature Range: Operating temperature range. Stability vs. Temperature: Percentage, or ppm, change of output frequency with respect to the temperature range at a constant control voltage. * Input Impedance: A measure of isolation between the VCXO internal frequency control network and the control voltage source. * Linearity: The deviation from the best straight line slope of the frequency vs. control voltage plot. * Modulation Bandwidth (rate): The maximum allowable rate of change of the control voltage. Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com Voltage Controlled (VCXO) (Revision E, August 2010) (ECO# 9940) 4 VOLTAGE CONTROLLED (VCXO) CRYSTAL CLOCK OSCILLATORS -5.2Vdc & 5.0Vdc - 1kHz to 155.52MHz Q-TECH CORPORATION Frequency vs. Temperature Curve QT6VHC-40MHz INTEGRAL LINEARITY AND PULLABILITY Vc=0V to 5Vdc QT58VHC-32MHz PULLING AND INTEGRAL LINEARITY 40,008,000 40,006,000 5% 5% 4% 4% 3% 3% 300 250 150 40,000,000 0% -1% 39,998,000 Integral Linearity, % 1% Integral Linearity, % Output Frequency, Hz 2% 40,002,000 2% 100 1% 50 0 0% -50 -1% Frequency Pulling, ppm 200 40,004,000 -100 -2% -2% -3% -3% -4% -4% -5% -5% -150 39,996,000 39,994,000 39,992,000 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 -200 -250 -300 0 5 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 SN1 SN2 SN3 SN4 SN1 integral linearity SN2 integral linearity SN3 integral linearity 100.2C Integral Linearity SN4 integral linearity WIDE PULL VCXO QT957S - 16MHZ 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 25C Integral Linearity -54.9C Integral Linearity 2 100.2C centered 2 25C centered 2 -54.9C centered WIDE PULL VCXO QT957S-16MHz FREQUENCY STABILITY VS. TEMPERATURE 600 50 500 40 400 30 300 Frequency Deviation, PPM Frequency Deviation, PPM 2.75 Vc (V) Vc (V) 200 100 0 -100 -200 -300 20 10 0 -10 -20 -30 -400 -40 -500 -50 -600 -45 -40 -35 -30 -25 -20 -15 -10 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 -5 0 5 10 15 3737 3739 3722 3723 3724 3725 3727 25 30 35 40 45 50 55 60 65 70 75 80 Temp (C) Applied Vc, volts 3721 20 5.25 5.5 5.75 3728 3731 3732 3734 3735 3736 3738 QT75VHC-54.04MHz FREQUENCY PULLING AND LINEARITY VC=0V TO 5Vdc 8% 400 6% 300 Integral Linearity, % 200 2% 100 0% 0 -2% Frequency Pulling, PPM 4% -100 -4% -200 -6% -8% -300 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 VC (V) Output Waveform (Typical) TH SYMMETRY = Test Circuit x 100% Typical test circuit for VCXO CMOS logic T Tr Tf + mA Vdd VOH 0.9xVdd 0.5xVdd + Power Supply - Vcc Out Output DUT + Vdc - 0.1F or Vc 0.01F GND 15pF (*) 10k Ground 0.1xVdd VOL GND TH Vc (*) CL includes probe and jig capacitance T Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com Voltage Controlled (VCXO) (Revision E, August 2010) (ECO# 9940) 5 85 90 VOLTAGE CONTROLLED (VCXO) CRYSTAL CLOCK OSCILLATORS -5.2Vdc & 5.0Vdc - 1kHz to 155.52MHz Q-TECH CORPORATION Phase Noise and Phase Jitter Integration QT25VT, 29.5MHz QT50VAC, 31.9488MHz Period Jitter QT6VHC10M, 16MHz QT25VT, 29.5MHz Environmental Specifications Q-Tech Standard Screening/QCI (MIL-PRF55310) is available for all of our VCXO packages. Q-Tech can also customize screening and test procedures to meet your specific requirements. The units are designed and processed to exceed the following test conditions: Environmental Test Temperature cycling Constant acceleration Seal: Fine and Gross Leak Burn-in Aging Vibration sinusoidal Shock, non operating Thermal shock, non operating Ambient pressure, non operating Resistance to solder heat Moisture resistance Terminal strength Resistance to solvents Solderability ESD Classification Moisture Sensitivity Level Test Conditions MIL-STD-883, Method 1010, Cond. B MIL-STD-883, Method 2001, Cond. A, Y1 MIL-STD-883, Method 1014, Cond. A and C 160 hours, 125C with load 30 days, 70C, 1.5ppm max MIL-STD-202, Method 204, Cond. D MIL-STD-202, Method 213, Cond. I MIL-STD-202, Method 107, Cond. B MIL-STD-202, 105, Cond. C, 5 minutes dwell time minimum MIL-STD-202, Method 210, Cond. B or C MIL-STD-202, Method 106 MIL-STD-202, Method 211, Cond. C MIL-STD-202, Method 215 MIL-STD-202, Method 208 MIL-STD-883, Method 3015, Class 1 HBM 0 to 1,999V J-STD-020, MSL=1 Please contact Q-Tech for higher shock requirements Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com Voltage Controlled (VCXO) (Revision E, August 2010) (ECO# 9940) 6