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| 型號： | VS-720-LFD-CAC-312.500 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | Voltage controlled clock SAW oscillator |
| 英文描述： | VOLTAGE CONTROLLED CLOCK SAW OSCILLATOR, 312.5 MHz |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, LEADLESS, CERAMIC, SMD, 6 PIN |
| 文件頁數(shù)： | 2/7頁 |
| 文件大小： | 195K |
| 代理商： | VS-720-LFD-CAC-312.500 |
VS-720 Voltage Controlled SAW Oscillator
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Page 2 of 7
Rev: 3 April 2007
Electrical Performance
Parameter
Symbol
Minimum
Typical
Maximum
Units
Notes
Frequency
Nominal Frequency
Absolute Pull Range
Linearity
Gain Transfer (See Pg 5)
Temperature Stability
f
N
APR
Lin
K
V
f
STAB
150
±50
+100
±20
800
±10
MHz
ppm
%
ppm/V
ppm
1,2,3
1,2,8
2,4,8
2,8
1
Supply
Voltage
Current (No Load)
V
CC
I
CC
2.97
3.3
55
3.63
70
V
mA
2,3
3
Outputs
Mid Level - LVPECL
Swing – LVPECL
Mid Level - LVDS
Swing – LVDS
Current
Rise Time
Fall Time
Symmetry
Jitter (12 kHz – 20 MHz BW) 622.08 MHz
Jitter (50 kHz – 80 MHz BW) 622.08 MHz
I
OUT
t
R
t
F
SYM
φJ(rèn)
Vcc-1.4
450
V
CC-2.4
250
45
Vcc-1.25
600
Vcc-2.3
350
250
50
0.100
0.120
Vcc-1.0
750
V
CC-2.5
450
20
500
55
0.250
0.300
V
mV-pp
V
mV-pp
mA
ps
%
ps-rms
2,3
6
5,6
2,3
6,7
Period Jitter, RMS (622.08 MHz)
φJ(rèn)
3.0
4.0
ps-rms
9
Period Jitter, Peak - Peak (622.08 MHz)
φJ(rèn)
20
30
ps pk-pk
9
Harmonic Suppression
50
60
dBc
6
Control Voltage
Control Voltage Range for APR
Control Voltage Input Impedance
Control Voltage Modulation BW
VC
ZIN
BW
0.3
75
50
3.0
V
K
KHz
2,8
6
Operating Temp. (Ordering Option)
T
OP
0/70,-20/70 or -40/85
°C
1,3
Package Size
5.0 x 7.5 x 2.0
mm
1. See Standard Frequencies and Ordering Information tables (Pg 7) for more specific information
2. Parameters are tested with production test circuit below (Fig 1).
3. Parameters are tested at ambient temperature with test limits guard-banded for specified operating temperature.
4. Measured as the maximum deviation from the best straight-line fit, per MIL-0-55310.
5. Measured from 20% to 80% of a full output swing (Fig 2).
6. Not tested in production, guaranteed by design, verified at qualification.
7. Integrated across stated bandwidth per GR-253-CORE Issue3.
8. Tested with Vc = 0.3V to 3.0V unless otherwise stated in part description
9. Broadband Period Jitter measured using Lecroy Wavemaster 8600A 6 GHz Oscilloscope, 250K samples taken
Figure 1. Test Circuit
Figure 2. 10K LV-PECL Waveform
Vcc - 1.6V
Vcc - 1.3V
Vcc - 1.0V
80%
20%
t
R
t
F
t
A
t
B
SYM = 100 x tA / tB
1
2
3
6
5
4
50
50
Test Circuit Notes:
1) To Permit 50
Measurement of Outputs, all DC Inputs are Biased Down 1.3V.
2) All Voltage Sources Contain Bypass Capacitors to Minimize Supply Noise.
3) 50
Terminations are Within Test Equipment.
(-1.3V to +2.0V)
(-1.3V, +2.0V)
(-1.3V)
(+2.0V)
COutput
Output
Enable, Disable
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