Temperature Compensated Crystal Oscillators (TCXO’s)
TC-400 (14/4 Single DIP Series)
Description:
Vectron International has introduced a series of
Temperature Compensated Crystal Oscillators (TCXO’s)
available in frequencies from 2 to 160 MHz.
Features:
• Industry Standard 14/4 Single DIP package
• Frequency from 2 to 160 MHz
• 3.3 Vdc or 5 Vdc operation
• All outputs Available (TTL, HCMOS, PECL, Sine)
Performance Characteristics
Parameter
Frequency:
Supply Voltage (Vdd):
(other options are available upon request)
Characteristic
Available from 2.0 MHz to 160 MHz
5.0 Vdc ±5%
3.3 Vdc ±5%
Current draw will vary greatly depending on frequency and output type.
For this series TCXO typical current draw will be about 15 mA.
Please consult the factory about your exact current requirements.
HCMOS/ACMOS
10 TTL
PECL
0 dBm/50 ohm
2.0 to 160 MHz
2.0 to 160 MHz
10.0 to 160 MHz
16.384 to 77.76 MHz
Current:
Output Type:
Temperature Stability:
Note:
Not all stabilities are available
with all frequency/output combinations.
Please consult the factory.
B-106
- ±1.0 x 10
-6
over 0°C to +50°C
B-156
- ±1.5 x 10
-6
over 0°C to +50°C
C-106
- ±1.0 x 10
-6
over 0°C to +70°C
C-156
- ±1.5 x 10
-6
over 0°C to +70°C
D-156
- ±1.5 x 10
-6
over -20°C to +70°C
D-206
- ±2.0 x 10
-6
over -20°C to +70°C
F-156
- ±1.5 x 10
-6
over -40°C to +85°C
F-256
- ±2.5 x 10
-6
over -40°C to +85°C
NOTE:
Tighter stabilities and wider temperature ranges are available, please
consult the factory.
Aging (typical):
Frequency vs. Supply:
Pin 1 Options:
<10 ppm for ten years @ +70°C
<±0.2 ppm for a ±5% change in supply voltage
A
= Electrical Frequency Adjust -- ±10 ppm minimum via external
voltage, 0 to Vdd - positive slope
B
= Tri-state -- HCMOS/TTL
Enable/Disable -- PECL
C
= No connect -- Initial Accuracy ±2.5 ppm @ +25°C
20.32 x 12.70 x 10.287 mm (0.80” x 0.50” x 0.405”)
Package Size:
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
58
Temperature Compensated Crystal Oscillators (TCXO’s)
TC-400 (14/4 Single DIP Series)
Outline Drawing
5.08
(.200)
Standard Frequencies (MHz)
10.000
16.384
20.480
38.880
51.840
114.00
12.800
19.440
27.000
40.000
60.000
155.52
13.000
20.000
34.368
44.736
77.760
1
7
14
8
(in.)
.051
Dia
.002)
TCXO
Pin Out
Pin
1
7
8
14
Function
See pin 1 options
Gnd
Output Levels
Output Option A
Output
Voh min..
Vol max.
HCMOS/ACMOS
0.8 (Vdd)
+0.5 Vdc
100 k ohm // 10 pF
50/50 ±10%
5 ns max.
Logic
B
10 TTL
+2.4 Vdc
+0.5 Vdc
10 TTL
50/50 ±10%
10 ns max.
F
Output Option
PECL
Output
Vdd - 1.04 Vdc
Level
Vcc -1.60 Vdc
Load
Sine
G
Sinewave
0 dBm to +6 dBm
50 ohm
-20 dBc max.
-60 dBc max.
Output
Supply (Vdd)
Load (typical)
Symmetry
Rise/Fall Time
50 ohms to Vcc -2V
Harmonics/subs
50/50 ±10%
Other Spurious
3 ns max.
Ordering Information
TC
Product Family
TC
= TCXO
Package
400
= 14/4 DIP
Supply Voltage
C
= 5.0 Vdc ±5%
D
= 3.3 Vdc ±5%
400
D
A
C
156
A
20.48
MHz
Output Frequency
2.0 MHz to 160 MHz
Pin 1 Options
A
= Electrical Frequency Adjust (Default)
B
= Tri-state or Enable/Disable
C
= No Connect
Temperature Range
B-106
= ±1.0x10
-6
over 0°C to +50°C
B-156
= ±1.5x10
-6
over 0°C to +50°C
C-106
= ±1.0x10
-6
over 0°C to +70°C
C-156
= ±1.5x10
-6
over 0°C to +70°C
D-156
= ±1.5x10
-6
over -20°C to +70°C
D-206
= ± 2.0x10
-6
over -20°C to +70°C
F-156
= ±1.5x10
-6
over -40°C to +85°C
F-256
= ±2.5x10
-6
over -40°C to +85°C
Note: Other stabilities are available upon request.
Output
A
= HCMOS/ACMOS
B
= 10 TTL
D
= PECL
G
= 0 dBm / 50 ohm
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
59
编程基础
