OCXO:
1). General OCXOs
| Type | Size (mm) | Aging | Phase noise (@ 1kHz) | Temp. range | Temp. stab. | Typical freq. |
| H55A | 50.8×50.8×19 | +/-0.05ppb/day
+/-0.01ppm/year |
-150dBc/Hz | -40ºC to +85ºC | +/-0.01ppb | 10M |
| H23B | 36x27x12.7 | +/-0.2ppb/day
+/-0.02ppm/year |
-150dBc/Hz | -40ºC to +85ºC | +/-0.1ppb | 10M |
| H22S | 25x22x12 (SMD) | +/-0.5ppb/day
+/-0.05ppm/year |
-158dBc/Hz | -40ºC to +85ºC | +/-0.5ppb | 10M |
| H11F | 14.4×9.5×6.5 (SMD) | +/-1ppb/day
+/-0.1ppm/year |
-160dBc/Hz | -55ºC to +95ºC | +/-1.0ppb | 10M, 12.8M, 19.2M, 20M, 38.88M |
| H79A | 9.7×7.5×3.9 (SMD) | +/-1ppb/day
+/-0.1ppm/year |
-160dBc/Hz | -55ºC to +95ºC | +/-10ppb | 10M, 19.2M, 20M, 25.6M, 38.88M |
| -143dBc/Hz | -55ºC to +85ºC | +/-100ppb | 100M | |||
| H75A | 7.5×5.5×3.3 (SMD) | +/-1ppb/day
+/-0.3ppm/year |
-160dBc/Hz | -55ºC to +95ºC | +/-20ppb | 10M, 12.8M, 19.2M, 20M, 38.88M |
| H22B | 25.4×25.4×12.7 (SMD) | +/-1ppb/day
+/-0.1ppm/year |
-165dBc/Hz | -40ºC to +85ºC | +/-50ppb | 100M |
Note: For detail specs, pls contact us
2). IHRT (Internal Heating Resonator Technology) OCXO
| Built on a new generation of IHRT (Internal Heating Resonator Technology) – the devices incorporating inside the TO-8 vacuum holder the crystal plate with integrated oven-control system
Application of the advanced IHRT provides to the OCXO very small sizes, extremely low power consumption and short warm-up time combined with excellent frequency stability and low phase noise level |
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Ordering information as below:
| Type | Package (LxW) | Supply voltage | Temp. range | Over temp. | Aging (day/year) | Output | Freq. | ||
| M78 | 16×15.3mm |  |
33 = +3.3V
50 = +5.0V 12 = +12V |
A = -60ºC
B = -55ºC C = -50ºC D = -45ºC E = -40ºC F = -35ºC G = -30ºC H = -25ºC I = -20ºC J = -15ºC K = -10ºC L = 0ºC |
M = +60ºC
N = +70ºC O = +80ºC P = +85ºC Q = +90ºC R = +100ºC S = +105ºC T = +125ºC U = +150ºC V = +175ºC W = +200ºC X = +225ºC |
10 = +/-1E-10ppb
39 = +/-3E-9ppb 28 = +/-2E-8ppb . . . XY = +/-XE-Yppb |
A = 0.1ppb / 0.01ppm
B = 0.2ppb / 0.02ppm C = 0.3ppb / 0.03ppm D = 0.5ppb / 0.05ppm E = 1ppb / 0.1ppm F = 1.5ppb / 0.15ppm G = 2ppb / 0.2ppm H = 3ppb / 0.3ppm |
C = CMOS
S = Sine wave |
Pls specify |
| M78S | 16×15.3mm |  |
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| M714 | 21.6×15.3mm |  |
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| M714S | 20.9×15.3mm |  |
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| MR | 20.2×20.2 |  |
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| MS | 25.4×22 |  |
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| MI | 25.8×25.8 |  |
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| ME | 35.4×26.7 |  |
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Notes: Heights will be our standard, or pls specify
3). Typical application OCXOs and modules
3.1) Vibration insensitive oscillators (Vibration isolated)
3.2) Oscillators for aerospace & defence
3.4) Oscillator modules for aerospace & defence
3.5) Phase-locked oscillator modules
3.6) GHz crystal-controlled sources
3.7) Gated crystal oscillators for IFF
3.8) Masterclocks
3.9) Ultra-low phase noise oscillators
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