Mercury OC18E OCXOs Owner manual

Mercury OC18E OCXOs Owner manual
OC18T
OC18E
Square Wave
True Sine Wave
Best stability
Min.
±0.01 ppm ( SC-cut )
Voltage Control
5 pins
12V
5.0V
±0.02 ppm ( AT-cut )
Max.
1.25 MHz
100 MHz
Applications
●
●
●
●
OC18_ ( 20.3 * 20.3 * 10.5 mm ) , 5 pin solder sealed metal package
+12.0V , +5.0V Supply Voltages
" AT - cut " crystal or " SC - cut " crystal
Voltage control ( Electronic Frequency Tuning ) is standard .
General Specifications
( at+25°C and specified input voltage )
Type of Crystal Cut Used
AT - cut , use " A " for crystal code ; SC - cut , use " S " for crystal code .
Output Wave From
Square wave. Wave form code is “ T ”
Supply Voltage
+12V
+5 V
+12V
+5 V
+12V ± 0.5V , " 12 "
+5.0V ± 0.2V , " 5 "
+12V ± 0.5V , " 12 "
+5.0V ± 0.2V , " 5 "
1.25 ~ 100.0 MHz
1.25 ~ 100.0 MHz
10.0 ~ 100.0 MHz
10.0 ~ 100.0 MHz
± 0.5 ppm ( max.)
± 0.5 ppm ( max.)
± 0.5 ppm ( max.)
± 0.5 ppm ( max.)
Vcon = +2.5 V
Vcon = +2.5 V
Vcon = +2.5 V
Vcon = +2.5 V
Supply Voltage range , " Voltage code "
Frequency Range
Initial Calibration Tolerance
vs Temperature ( ppm )
Frequency
Stability
AT - cut
SC - cut
AT - cut
SC - cut
AT - cut
SC - cut
AT - cut
SC - cut
0 ~ 60 °C
± 0.02
± 0.01
± 0.02
± 0.01
± 0.02
± 0.01
± 0.02
± 0.01
-20 ~ 70°C
± 0.05
± 0.01
± 0.05
± 0.01
± 0.05
± 0.01
± 0.05
± 0.01
-40 ~ 85°C
± 0.1
± 0.03
± 0.1
± 0.03
± 0.1
± 0.03
± 0.1
± 0.03
vs Warm -up time (+25°C)
vs Aging
vs Voltage Change
vs Load Change
Voltage Control
On pin 1 (EFC)
( Electronic
Freq. Tuning )
Freq. Deviation Range
AT - cut : 3.0 minutes ( max.) , within ± 0.5 ppm of its reference frequency .
SC - cut : 1.0 minutes ( max.) , within ± 0.1 ppm of its reference frequency .
AT - cut : ± 5.0 ppb ( max.) / day , ± 0.5 ppm ( max.) / first year , ± 3.0 ppm ( max.) over 10 years .
SC - cut : ± 2.0 ppb ( max.) / day , ± 0.1 ppm ( max.) / first year , ± 0.5 ppm ( max.) over 10 years .
≦ ±20 ppb , supply voltage ±5 % variation
≦ ±20 ppb , for a ±5 % load condition change .
AT - cut : ± 5.0ppm (min.) , ± 20ppm (max.) Reference to fo at +25°C and over operating temperature range .
SC - cut : ± 0.5ppm (min.) , ± 2.0ppm (max.) Reference to fo at +25°C and over operating temperature range .
Control Voltage Range
2.5 V ± 2.0 V
Transfer Function
Positive : Increasing control voltage increases output frequency .
Input Impedance
100 K ohms ( min.)
EFC Linearity
Power Dissipation ( at +25°C )
Power
± 10 % ( max.)
200 mA (max.) at steady-state ; 500 mA (max.) at turn-on
Output Level ( for True Sine )
---
---
Harmonic ( for True Sine )
---
---
-30 dBc ( min.)
Spurious ( for True Sine )
---
---
-75 dBc ( min.)
Load ( Fan out )
+3 dBm ( typ.) , +8 dBm ( max.) into 50Ω load .
15 pF HCMOS ( max.)
---
---
+4.5 V ( min.)
---
---
Output Logic Low ( V OL )
+ 0.5 V ( max.)
---
---
Duty Cycle ( at 50% Vcc )
50 % ± 10%
---
---
---
---
Output Logic High ( V OH )
Output
True Sine Wave. Wave form code is “ E ”
Rise and Fall Time ( 20% ~ 80%)
Reference Voltage
5 nS ( max.) ( measured at 20% → 80% of waveform )
+ 4.0 VD.C. ± 0.3 VD.C. or custom
Crystal Type
Offset
Phase Noise ( 10.0 MHz )
[ Unit : dBc / Hz ] ( typical )
Storage Temperature
Crystal Type
Offset
AT - cut
SC - cut
1 HZ
-75
-85
10 Hz
-100
100 Hz
1 KHz
10 KHz
Crystal Type
Offset
AT - cut
SC - cut
1 HZ
-75
-85
-120
10 Hz
-100
-130
-140
100 Hz
-140
-145
1 KHz
-150
-150
10 KHz
Crystal Type
Offset
AT - cut
SC - cut
AT - cut
1 HZ
-75
-85
1 HZ
-75
-85
-120
10 Hz
-100
-120
10 Hz
-100
-120
-130
-140
100 Hz
-130
-140
100 Hz
-130
-140
-140
-145
1 KHz
-140
-145
1 KHz
-140
-145
-150
-150
10 KHz
-150
-150
10 KHz
-150
-150
- 55°C to + 125°C
Shock
2000 G's , 0.3 ms 1/2 sine
Vibration
10 to 2000 Hz / 10 G's
Mercury
■Taiwan : Tel (886)-2-2406-2779 / sales-tw@mercury-crystal.com
www .mercury-crystal.com
■U.S.A: Tel: (1)-909-466-0427 / sales-us@mercury-crystal.com
■China: Tel: (86)-512-5763-8100 / sales-cn@mecxtal.com
SC - cut
" OCXO " [ Oven Controlled Crystal Oscillators ]
True Sine wave " OC _ E "
Square wave " OC _ T "
Examples
Part Number Format and Example
[1]
[2]
[3]
[4]
[5]
Holder
Type
G
Output
Wave
Supply
Voltage
Cut
Type
–
-
(1)
OC14
G
T
3.3
A
(2)
OC30
G
E
12
S
(2)
OC22
G
T
5
A
[6]
[7]
Center
Frequency
–
10.000
-
100.000
20.000
Frequency
Stability
[8]
∕
Operating
Temp. Range
0.5
/
-40+85
0.02
/
-20+70
0.2
/
-30+75
Ex (1) : OC14GT33A - 10.000 - 0.5 / -40+85 [ OC14 type , RoHS , CMOS output , 3.3V , 10.000MHz , ± 0.5ppm from -40°C to 85°C ]
Ex (2) : OC30GE12S - 100.000 - 0.02 / -20+70 [ OC30 type , RoHS , True Sine wave , 12V , 100.000MHz , ± 0.02ppm from -20°C to 70°C ]
Ex (3) : OC22GT5A - 20.000 - 0.2 / -30+75 [ OC22 type , RoHS , CMOS output , 5.0V , 20.000MHz , ± 0.2ppm from -30°C to 75°C ]
[1]
[2]
[3]
Holder Type
" OC_ _ " stands for OCXO ,
Please add "G " after the " type code " for RoHS compliant
" T " stands for Square Wave , " E " stands for True Sine Wave
ex 1 : OC14T , OC14 pcakage , CMOS output ;
ex 2 : OC30E , OC30 package , True Sine wave
[4]
Supply voltage , " 3 " for 3.3V D.C
[5]
Type of crystal used ; " A " stands for AT-cut crystal , " S " stands for SC-cut crystal
[6]
Center Frequency in MHz
[7]
[8]
,
" 5 " for 5.0V D.C
,
" 12 " for 12V D.C
Frequency stability in ± _ ppm ; ex 1 : ± 0.5ppm --- 0.5 , ex 2 : ± 0.02ppm --- 0.02
Operating temperature range in °C
ex 1 : -10 °C to 60°C ----- -10+60 ;
ex 2 : -20 °C to 70°C ----- -20+70 ;
ex 3 : -40 °C to 85°C ----- -40+85
SSB Phase Noise : OC30E12S-10.000 ( SC-cut crystal )
SSB Phase Noise : OC14T5A-10.000 ( AT-cut crystal )
Power Consumption vs Temperature
Aging : OC30E12S-10.000 ( SC - cut crystal )
Mercury www .mercury-crystal.com
■Taiwan : Tel (886)-2-2406-2779 / sales-tw@mercury-crystal.com
■U.S.A: Tel: (1)-909-466-0427 / sales-us@mercury-crystal.com
■China: Tel: (86)-512-5763-8100 / sales-cn@mecxtal.com
" OCXO " [ Oven Controlled Crystal Oscillators ]
True Sine wave " OC _ E "
Square wave " OC _ T "
Test Circuits
" OC14T_ _ " ( square wave )
" OC24T_ _ " ( square wave )
" OC11T_ _ " ( square wave ) and " OC11E " ( true sine wave )
" OC18T_ _ " ( square wave ) and " OC18E " ( true sine wave )
" OC30T_ _ " ( square wave ) and " OC30E " ( true sine wave )
" OC31T_ _ " ( square wave ) and " OC31E " ( true sine wave )
" OC40T_ _ " ( square wave ) and " OC40E " ( true sine wave )
" OC22T_ _ " ( square wave ) and " OC22E " ( true sine wave )
Mercury www .mercury-crystal.com
■Taiwan : Tel (886)-2-2406-2779 / sales-tw@mercury-crystal.com
■U.S.A: Tel: (1)-909-466-0427 / sales-us@mercury-crystal.com
■China: Tel: (86)-512-5763-8100 / sales-cn@mecxtal.com
" OCXO " [ Oven Controlled Crystal Oscillators ]
True Sine wave " OC _ E "
Square wave " OC _ T "
Outline Dimensions ( Unit : mm )
[ OC14 _ _ ]
[ OC24 _ _ ]
[ OC18 _ _ ]
[ OC11 _ _ ]
Pin Connections :
Pin Connections :
Pin 1 : Supply Voltage , Pin 2 : RF Output , Pin 3 : Ground / Case
Pin 4 : Voltage Control EFC , Pin 5 : Reference Voltage Output
Pin 1 : RF Output , Pin 2 : Ground / Case , Pin 3 : Voltage Control EFC
Pin 4 : Reference Voltage Output , Pin 5 : Supply Voltage
[ OC30 _ _ ]
[ OC31 _ _ ]
Pin Connections :
Pin Connections :
Pin 1 : Voltage Control EFC , Pin 2 : Ground , Case , Pin 3 : RF Output ,
Pin 4 : Reference Voltage Output , Pin 5 : Supply Voltage
Pin 1 : Voltage Control EFC , Pin 2 : Reference Voltage Output ,
Pin 3 : Supply Voltage , Pin 4 : RF Output , Pin 5 : Ground / Case
[ OC40 _ _ ]
[ OC22_ _ ]
Pin Connections :
Pin 1 : Ground / Case ,
Pin 3 : RF Output ,
Pin Connections :
Pin 1 : Oven Return ,
Pin 2 : Osc. Supply Voltage ,
Pin 3 : Electronic Tuning , Pin 4 : Oven Supply Voltage , Pin 5 : Output ,
Pin 6 : RF Ground , Pin 7 : Ground / Case
Pin 2 : Supply Voltage
Pin 4 : Control Voltage
Mercury
■Taiwan : Tel (886)-2-2406-2779 / sales-tw@mercury-crystal.com
www .mercury-crystal.com
■U.S.A: Tel: (1)-909-466-0427 / sales-us@mercury-crystal.com
■China: Tel: (86)-512-5763-8100 / sales-cn@mecxtal.com
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