Model 197 High Stability OCXO Features 1 μsec for 8 hour holdover -40°C to 85°C Operating Temperature Range Sinewave Output Industry Standard 36 x 27 mm package Description CTS Model 197 is a high stability double oven OCXO developed to meet stringent Long Term Evolution (LTE) performance requirements, offering 1.0 ppb (p-p) temperature stability over the industrial temperature range. It provides excellent 1 μsec typical holdover performance with ±10°C temperature variation. Other applications ideally suited for this OCXO include high performance instrumentation, communications systems, and rubidium replacement. Ordering Information Model Stability Temp Range EFC Sinewave 197 J G N S Frequency 10M000 Other frequencies available (consult factory) Code J K L M Stability (p-p) Code Spec. V N EFC None 1 ppb 0.8 ppb 0.5 ppb 0.2 ppb Code A B C D V G Temp. Range 0 to 50°C 0 to 70°C -10 to 60°C -20 to 70°C -40 to 80°C -40 to 85°C Stability Availability Table Stability (p-p) Temp Range 0 to 50°C (A) 0 to 70°C (B) -10 to 60°C (C) -20 to 70°C (D) -40 to 80°C (V) -40 to 85°C (G) 1 ppb (J) * * * * * * 0.8 ppb (K) * * * * * * 0.5 ppb (L) * * * 0.2 ppb (M) * Part Number Example: 197JGNS10M000 Rev. A_03222016 Page 1 of 4 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 197 High Stability OCXO Electrical Specifications Parameter Conditions & Remarks Min Typical Max Unit Vcc Nom Vcc, Load = 50Ω ±10% Ta = 25°C, Load = 50Ω ± 10% 4.75 - 5 1.5 5.25 5.0 2.0 Vdc W W -40 - +85 °C Operating Conditions Supply Voltage Turn-On Power Steady State Power Operating Temperature Range Frequency Stability Frequency Calibration Temperature Stability Frequency vs. Voltage Frequency vs. Load Aging 8 Hour Holdover Warm up time 10.000 Other frequencies available (consult factory) FNOM ∆F/FNOM; TA = 25°C; VCC = 5.0Vdc at time of shipment ∆F/ FNOM over -40 to +85°C Hysteresis VCC ±5% 15 pf ±5% Per day Per year 10 years With ±10°C temperature variation – see Figure 1 Within 20 ppb, ref to 1 hour MHz - - ± 75 ppb - 0.5 - 1.0 0.2 ±0.3 ±0.3 ±0.2 ±40 ±0.2 ppb p-p ppb ppb ppb ppb ppb ppm - <1 1.5 μsec - - 5 minutes 0 ±0.25 - - 4 ±0.45 10 V ppm % +5 45 +7 50 - - +9 55 -30 -70 -120 -135 -145 -150 -150 dBm ohm dBc dBc Electronic Frequency Control (EFC) Voltage Range Pulling Range Linearity VC, Control voltage range Output Parameters - Sinewave Output Level Load Harmonics Spurious Phase Noise Rev. A_03222016 50 Ω load Offset = 10Hz 100Hz 1KHz 10KHz 100KHz dBc/Hz Page 2 of 4 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 197 High Stability OCXO Figure 1. Holdover Temperature Profile Figure 2. Typical holdover performance Mechanical and Environmental Storage Temperature Drop Test Bump Test Vibration Mechanical Shock Thermal Shock Rev. A_03222016 -55 to +105°C The test shall be carried out as the provisions of the IEC60028-2-32 test Ed. 10 cm height, 3 times on hard board with thickness of 3 cm. 2 Device are bumped in three mutually perpendicular axes at peak acceleration of 400m/s , each 4000 ±10 times, 6ms pulse duration time. Frequency range: 1Hz-4Hz-100Hz-200Hz Acceleration: 0.0001g²/Hz-0.01g²/Hz-0.01g²/Hz-0.001g²/Hz Grms=1.15g Duration: 30 minutes per axis (3 axes) 100g, 6mS duration, 1/2 sine wave, 3 shocks each direction along 3 mutually perpendicular planes. 0.5h@-40℃，0.5h@+85℃，Note: the changing time < 30 seconds, cycling for 100 times Page 3 of 4 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 197 High Stability OCXO Mechanical Specifications Package Drawing Temp. Pin Function 1 2 3 4 5 Vc NC Vcc RF Output GND/Case Dimensions (mm) Symbol CTS ** 197xxxx10M000 10.000 MHz YYWWXXXXX Rev. A_03222016 Min Max A B 36.4 27.4 C D E F G H I J K 12.7 0.73 0.87 2.9 3.3 0.1 0.3 25.2 25.6 17.6 18.0 8.80 9.00 17.75 nominal 15.21 nominal Marking ** Mfg Site Code YYWWXXXXX DC/Serial Number Page 4 of 4 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.