CTS Reeves
FREQUENCY PRODUCTS
CRYSTALS CLOCKS VCXOs TCXOs OCXOs
87
400 REIMANN AVE. • SANDWICH, IL 60548
Phone: 815-786-8411 • Fax: 815-786-3600 • E-Mail: www.ctsreeves.com
Features:
• Frequency Range 10 to 120 MHz
• Surface Mountable Option
• Low Power Consumption
• Optional Temperature Stabilities
• Low Cost
• Electrical Frequency Adjust
The CTS Reeves Model 535 is a low cost Temperature Compensated
Crystal Oscillator with excellent temperature stabilities. The small
package and low profile make it ideal for almost any application. The
electrical frequency adjust makes calibration easy. The Model 535 is
ideal for MW and radio applications
Electrical Characteristics:
Model 535
Miniature HF TCXO
NOMINAL FREQUENCY 10.0 MHz to 120.0 MHz
CALIBRATION TOLERANCE settable to nominal with a 0V to +5V AFC
OPERATING TEMPATURE See chart 0° to 50°C to -40° to +85°C
FREQUENCY vs. AMBIENT See chart ±.5 ppm to ±2 ppm
FREQUENCY vs. TIME See chart 3 ppm/yr to .5 ppm/yr
POWER INPUT 25 ma (max)
OSCILLATOR VOLTAGE See chart +5V or +12V
OUTPUT TYPE Sine/HCMOS
LOAD Sine - 50 Ohms; HCMOS - up to 50pF
ELECTRICAL FREQ. ADJUST 0 ±5V (Center Freq. 2.5V ±0.5V)
(NEGATIVE SLOPE) ±5 ppm Typical
88
CTS Reeves
FREQUENCY PRODUCTS
400 REIMANN AVE. • SANDWICH, IL 60548
Phone: 815-786-8411 • Fax: 815-786-3600 • E-Mail: www.ctsreeves.com
CRYSTALS
CLOCKS
VCXOs
TCXOs
OCXOs
Mechanical Specifications:
Case:
CRS, nickel plated
Leads:
Nickel plated with solder coating
Seal:
Solder seal
Solderability:
95% solder coverage, using RMA flux 63
Sn / 37 Pb solder at +245°C ±5°C
Temperature:
Operating: See chart
Storage: -55° to 85°C
Vibration:
10 G's rms, 20 to 2000 Hz
Mechanical Shock:
50 G's 5ms pulse (3 shock/plane)
Temp Stability
±5 x 10-7 ±1 x 10-6 ±2 x 10-6
Temp Range Code A B C
0° to 50°CA X X X
0° to 70°CB X X
-30° to 70°CC X X
-40° to 85°DX
Ordering Information:
AgingStabilityTemp. Range
* Note: Not all options are available at all Frequencies.
Temperature in °C Stability in ppm
Model Type 535 ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
0.158 0.300
7
8
1
14
0.720
0.205
0.461
0.320
0.839
0.158
0.158 0.300
0.720
0.205
0.461
0.320
0.158
0.600
0.020
7
8
1
14
Surface Mount
Version
(OPTION ‘S’)
Through Hole
Version
(OPTION “T”)
Model 535
Miniature TCXO
1st Year Aging Code
±3.0 ppm A
±1.0 ppm B
±0.5 ppm C
Output Code
HCMOS H
Sinewave S
Supply Volt Code
+12V A
+5V B
Package
T Thru Hole
S Surface Mount
Output Supply V Package Freq. in MHz
Pin Connections
PIN FUNCTION
1 VCXO
7 GND.
8 OUTPUT
14 SUPPLY V
