Shortform Locating and Navigation

TCXO
Temperature Compensated Crystal Oscillators
for location and navigation
Applications
• New COSPAS-SARSAT,
• GPS, GALILEO, GLONASS, COMPASS, QZSS & MSAS
• Mobile radio, satellite communication
Features
• Tight stability:
±0.5 ppm over -40 to +85 °C
±0.25 ppm over -40 to +85 °C
• Low G-sensitivity: 1.5 ppb/g
Gamma Γ
0.5 ppb/g
Gamma Γ
• Short term stability: < 1 x 10-10
on request
standard
on request
Standard frequencies
10.0, 12.2880, 16.3840, 20.0, 25.0, 32.5120,
33.60, 49.1520 & 50.0 MHz
Frequency range
10.0 ~ 52.0 MHz
vs. supply change
≤ ±0.5 ppm
≤ ±1.0 ppm
≤ ±1.0 ppm
≤±0.2 ppm
over -40 to +85 °C
over -55 to +85 °C
over -40 to +95 °C
±5 %
vs. load change
≤±0.1 ppm
±5 %
vs. aging:
≤±1.0 ppm
1 year
Frequency stability vs. temperature
reference to (FMAX+FMIN)/2
standard
on request
on request
st
Frequency slope
≤ 0.05 ppm/°C
over operating temperature
G-sensitivity
< 1.5 ppb/g
< 0.5 ppb/g
Gamma Γ
Gamma Γ
Short term stability ADEV
Supply voltage (Vdc)
< 1 x 10
+2.7 V to +5.0 V
standard
on request
Supply current
< 3 mA
< 8 mA
τ = 1 sec.
nominal value needs to be defined,
standard: 3.3 V and 5.0 V ±5 %
10 MHz ~ 25 MHz
up to 52 MHz
Output signal
Clipped sine wave
CMOS
Output level
> 0.8 Vp-p
VOH > 0.9 x Vdc / VOL < 0.1 x Vdc
Output load
10 kΩ / 10 pF
≤ 15 pF
-10
Symmetry (duty cycle)
45 % ~ 55 % @ ½ Vdc
Tri-state function
Input ≥ 0.7 x Vdc or open
Input ≤ 0.3 x Vdc or GND
Output  oscillation
Output  high impedance
Jitter (rms) 1σ
< 0.5 ps
@ Fj = 12 kHz ~ 20 MHz
Phase noise @ 20.0 MHz
< -95 dBc/Hz
< -125 dBc/Hz
< -145 dBc/Hz
< -155 dBc/Hz
< -155 dBc/Hz
@
@
@
@
@
Operating temperature range
-20 ~ +70 °C
-40 ~ +85 °C
indoor use
outdoor use
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
(extended temperature range on request)
Storage temperature range
-55 ~ +125 °C
Packing units
tape & reel
Environmental
Reference STD.
Vibration sinusoidal
IEC 60028-2-6
IEC 60679-1-5.6.7
Shock
IEC 60028-2-27
IEC 60679-1-5.6.8
Solder ability
IEC 60028-2-20
IEC 60028-2-58
IEC 60679-5.6.3
16 Feb. 14
500 or 1000 pieces
Test condition
Made in Switzerland
Test Fc, 30 min per axis
10 Hz – 55 Hz with 0.75 mm, 55 Hz – 2 kHz with 10 g
Test Ea, 3 x per axis, 100 g,
6 ms half sine pulse
Test Ta (235 ±2) °C Method 1
Test Tb Method 1A, 5 s
Page 2 of 4
TCXO
Temperature Compensated Crystal Oscillators
for location and navigation
Package outline and recommended solder pattern
TX7-705CM-SQ-HP
TX7-705CM-TQ-HP
Pin function
Pin function
# 1
# 5
# 6
# 9
# 10
#1
#2
#3
#4
Do not connect
GND
Output
Tri-state (Enable)
Vdc
Do not connect
GND
Output
Vdc
Do not connect: #2, #3, #4, #7 & #8
Solder pattern
Solder pattern
TX7-503CM-SQ-HP
IR reflow soldering temperature
P in function
#1
#4
#5
#6
#8
Do not connect
GND
Output
Tri-state (Enable)
Vdc
Do not connect: #2, #3 & #7
Solder pattern
Reflow conditions per JEDEC J-STD-020, 260 °C maximum
Frequency deviation vs. temperature
VT7-705CM-SQ-HP 10.0 MHz
[ppm]
0.5
0.3
0.0
-0.3
-0.5
-40
-35
-30
-25
-20
-15
-10
-5
0
No 1
5
10
No 2
15
No 3
20
25
No 4
30
35
40
45
50
55
60
65
70
75
80
85 [°C]
No 5
VT7-705M-SQ-WT 20.0 MHz
[ppm]
0.50
0.25
0.00
-0.25
-0.50
-55
16 Feb. 14
-45
-35
-25
-15
-5
5
15
25
35
Made in Switzerland
45
55
65
75
85
95
105
[°C]
Page 3 of 4
TCXO
Temperature Compensated Crystal Oscillators
for location and navigation
Phase noise
Short term stability (Allan deviation)
G-sensitivity measurement
Random vibrations profile
Phase noise measurement under vibration
Noise Vibration:
2
20–1000 Hz with 0.04 g /Hz, -6 dB/Oct to 2 kHz.
The effective acceleration value GRMS = 7.7g.
Vibrations profile (Power Spectral Density)
Gamma Γ G-sensitivity
Oscillator
# 21
# 22
X-Axis
[ppb/g]
0.131
0.139
Y-Axis
[ppb/g]
0.108
0.112
Z-Axis
[ppb/g]
0.261
0.175
Gamma Γ
[ppb/G]
0.311
0.250
QuartzCom, more than frequency
QuartzCom AG
Bischmattstrasse 11
CH 2544 Bettlach
Switzerland
16 Feb. 14
Fax
Tel
E-Mail
+41 32 644 24 05
+41 32 644 24 00
[email protected]
www.quartzcom.com
Made in Switzerland
Page 4 of 4