Oven Controlled Crystal Oscillators
LOW POWER CONSUMPTION OCXO IN 20.3x20.3X14.0 mm DIP PACKAGE - OCM37H Series
FEATURES
RoHS Compliant, Wide Frequency Range (30-300 MHz, at multiplication), HCMOS/TTL or Sinewave Output
Low Power Consumption (0.15W at 25
°C), Very Fast Warming-up (60 s TYP)
High Stability (up to
±5 ppb over -40°C to 85°C), Low Allan Variance: 20E-12 at 1s average time
Low Aging (5E-10/day, 5E-8/year -100MHz), Hermetically Sealed Steel Package, Standard Lead Spacing
SPECIFICATIONS
Frequency Stability vs. Temp
Temperature Range
Aging (after 30 days)
Frequency vs. Voltage
G-Sensitivity
Storage Temperature Range
Phase Noise(Typ, 100MHz)
Allan Variance
Inpuy Voltage (Vcc)
Power Consumption (Typ)
Warm-up Time
HCMOS Output Load
Output Waveform
Logic "1" / Logic "0" Level
Sinewave Output Load
Output Level
Sub-harmonics Level
Electric Tuning Range
Control Voltage Range
Reference Voltage (Vref)
Creating a Part Number
Product Series
Frequency
Supply Voltage: A = 5.0V
B = 3,3V
5= ±5 ppb; 10= ±10 ppb; 50= ±50 ppb; 100= ±100 ppb;
(Not all combinations are available. Consult factory)
A = 0°C to 70°C; B = -40°C to 85°C; C = -10°C to 60°C; D = -20°C to 70°C
±0.5 ppb Maximum per day; ±0.05 ppm Maximum 1st year
±2 ppb ref Vcc Typ
±1 ppb/G, Worst direction
-60°C to 90°C
-95 dBc/Hz @10Hz; -130 dBc/Hz @100Hz, -145 dBc/Hz @1KHz
-150 dBc/Hz @10KHz, -155 dBc/Hz @100KHz
20e-12 / 1s Typ
A = +5 VDC ± 5%; B = +3.3 VDC ± 5%
Steady state, +25°C: 0.15W; Warm-up state: 0.7W
60 second Max, to 0.1 ppm accuracy, at +25°C
15 pF
HCMOS compatible square wave; 45/55% Duty cycle
3.8V Min/ 0.4V Max; Rise/Fall time: 10 ns Max for 10MHz
50 Ohms Typ
+6 dBm Min, +8 dBm Typ, +10 dBm Max
-40 dBc Max
±0.5 ppm Min, ±1 ppm Typ
0 to 4.2V for Vcc=5V; 0 to 2.8V for Vcc=3.3V. Tuning slope - positive
4.2V Typ (4.05 Min/4.35 Max) Vcc=5V; 2.8V Typ (2.70 Min/2.9 Max)
OCM37H-12M800-A 50 D T(S)
Output option: T = HCMOS/TTL; S = Sinewave
Operating Temperature Range: A = 0 to 70°C
B = -40 to 85°C
D = -20 to 70°C
X = Customized Temp Range
10 = ±10 ppb
50 = ±50 ppb
100 = ±100 ppb
Frequency Stability:
OUTLINE DRAWING
14.0
3
20.3 SQ
4
15.2
Pin Connections
#1: Electric tuning
#2: Reference voltage
#3: GND/case
#4: RF Out
#5: Vcc
Glasss Standoffs x4
0.5 height
Lead - Kovar; Finish - Ni Plated
2
7.6
1
15.2
5
0.5 DIA
6
All dimensions are typical unless otherwise specified
Dimensions in Millimeters
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