8798_AA's Vectron 05/30/02 3:11 PM Page 60 Temperature Compensated Crystal Oscillators (TCXO’s) TC-140 (R Series) Description: The TC-140 series offers performance for short-term stability, phase noise, aging and temperature stability normally only associated with Oven Controlled Crystal Oscillators, while consuming typically <20 mA. Features: • • • • • Stratum 3 option Frequency from 0.5 to 160 MHz “1 ppm Forever” option TTL, HCMOS and Sinewave Over 600,000 units produced Performance Characteristics Parameter Characteristics Standard Frequencies: Supply Voltage (Vdd): (other options are available upon request) Current: Output: Temperature Stability: 4.096, 10.00, 12.80, 13.00, 16.384, 19.44, 20.00, 20.48 MHz Available from 0.5 MHz to 160 MHz 12.0 Vdc ±5% 5.0 Vdc ±5% Current draw will vary greatly depending on frequency and output type. For this series TCXO typical current draw will be about 20 mA. Please consult the factory about your exact current requirements. A = HCMOS / ACMOS B = 10 TTL G = 0 dBm to +6 dBm J = +7 dBm to +13 dBm 0.5 0.5 3.0 3.0 to to to to 160 160 100 100 MHz MHz MHz MHz (+12 Vdc only) B-1PM - ±1.0 x 10-6 over 0°C to +50°C, 10 years and initial accuracy Note: Not all stabilities are available B-207 - ±2.0 x 10-7 over 0°C to +50°C, Aging <2 ppm/10 years with all frequency/output combinations. B-ST3 - Stratum 3 over 0°C to +50°C, *See note below Please consult the factory. B-4PM - ±4.6 x 10-6 over 0°C to +50°C, 10 years and initial accuracy C-1PM - ±1.0 x 10-6 over 0°C to +70°C, 10 years and initial accuracy C-ST3 - Stratum 3 over 0°C to +70°C, *See note below C-507 - ±5.0 x 10-7 over 0°C to +70°C, Aging <2 ppm/10 years C-4PM - ±4.6 x 10-6 over 0°C to +70°C, 10 years and initial accuracy F-106 - ±1.0 x 10-6 over -40°C to +85°C, Aging <2 ppm/10 years F-4PM - ±4.6 x 10-6 over -40°C to +85°C, 10 years and initial accuracy *STRATUM 3 per GR-1244-CORE Table 3-1 Total Stability: <±4.6 x 10-6 for all causes and 10 years Total Stability: <±3.7 x 10-7 for all causes and 24 hours Note: Tighter stabilities and wider temperature ranges are available, please consult the factory. Phase Noise (Typical): 10 MHz +12 Vdc J - Output Frequency vs. Supply: Package: Offset 10 Hz 100 Hz 1 kHz 10 kHz Phase Noise -110 dBc/Hz -135 dBc/Hz -150 dBc/Hz -155 dBc/Hz <±0.05 ppm for a ±5% change in supply voltage 38.89 x 38.89 x 13.462 mm (1.53” x 1.53” x 0.53”) Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 60 8798_AA's Vectron 05/30/02 3:11 PM Page 61 Temperature Compensated Crystal Oscillators (TCXO’s) TC-140 (R Series) Outline Drawing Frequency Adjust Options Frequency Adjust Access. For Mechanical Adjust Units only. 38.887 max (1.531) .508 (0.20) 13.462 max (0.53) 5.842 min (0.23) .508 (0.02) 1.270 (0.05) A ±3 ppm minimum via internal mechanical adjust positive slope. B ±3 ppm minimum via external voltage, 0 to +5 Vdc F No Frequency Adjust. Standard option for ±1 ppm and ±4.6 ppm for 10 years units. However, this option is available with all Stability options. No user adjustment is needed. Unit is Plug-N-Play. 0.762 DIA. 5 PLACES (.030) 25.4 (1.000) 12.70 (0.500) 2.54 (0.10) 3 12.70 38.887 max (0.500) (1.531) C L 25.4 (1.000) Note: This option is ideal for high volume applications where minimal set-up and testing is desired. 4 20.320 (0.800) 5 6.350 (0.250) 1 2 10.160 (0.400) mm! (in) CL Pin Out Information TCXO Output Levels Sine Pin Function Output Option A B 1 Output Output HCMOS/ACMOS 10 TTL 2 Supply (Vdd) Voh min.. 0.8 (Vdd) +2.4 Vdc 3 Gnd Vol max. +0.5 Vdc +0.5 Vdc 4 Freq. Adjust/NC Load (typical) 100 k ohm // 10 pF 10 TTL Gnd Symmetry 50% ±10% 50% ±10% Rise/Fall Time 5 ns max. 10 ns max. 5 Output Option G J Output Sinewave Sinewave Level 0 dBm to +6 dBm +7 dBm to +13 dBm Load 50 ohm 50 ohm Harmonics/subs -20 dBc max. -20 dBc max. Other Spurious -60 dBc max. -80 dBc max. Ordering Information TC 140 Product Family TC = TCXO Package 140 = package Supply Voltage B = 12 Vdc ±5% C = 5.0 Vdc ±5% Output A = HCMOS/ACMOS B = 10 TTL G = 0 dBm / 50 ohm J = +7 dBm / 50 ohm C A B 4PM F 12.80 MHz Output Frequency 0.5 MHz to 160 MHz Frequency Adjust Options A = Internal Mech. Adjust (standard) B = External Voltage Adjust F = No Frequency adjust (see above) Temperature Stability B-1PM = ±1.0 x 10-6 over 0°C to +50°C, 10 years (no freq. adjust) B-207 = ±2.0 x 10-7 over 0°C to +50°C B-ST3 = Stratum 3 over 0°C to +50°C B-4PM = ±4.6 x 10-6 over 0°C to +50°C, 10 years (no freq. adjust) C-1PM = ±1.0 x 10-6 over 0°C to +70°C, 10 years (no freq. adjust) C-ST3 = Stratum 3 over 0°C to +70°C C-507 = ±5.0 x 10-7 over 0°C to +70°C C-4PM = ±4.6 x 10-6 over 0°C to +70°C, 10 years (no freq. adjust) F-106 = ±1.0 x 10-6 over -40°C to +85°C F-4PM = ±4.6 x 10-6 over -40°C to +85°C, 10 years (no freq. adjust) Note: Other stabilities are available upon request. Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 61

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