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参数资料
| 型号： | VCO-600A@311.040MHZ |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | XO, clock |
| 英文描述： | VOLTAGE CONTROLLED CLOCK SAW OSCILLATOR, 311.04 MHz |
| 封装： | MINIATURE, CERAMIC, SO-28 |
| 文件页数： | 2/6页 |
| 文件大小： | 117K |
| 代理商： | VCO-600A@311.040MHZ |
VCO-600A Voltage Controlled SAW Oscillator
Vectron International 267 Lowell Rd, Hudson NH 03051-4916
Tel:1-88-VECTRON-1
e-mail vectron@vectron.com
2
Pin Information
Table 1. Pin Function
Pin
Symbol
Function
Top View of Package
2,12,27
VCC
Positive Supply
4
CLKIN
1
Test Clock In
5,6,7,8
NC
No Connect
10
VEE
Negative Supply
17
VBW
2
Modulation Bandwidth
Adjust
19
VC
Control Voltage
21
OD
3
Output Disable
23
CLKOUT
ECL Output
25
CLKOUT
Complementary
ECLOutput
1,3,9,11,13,14,15,
16,18,20,22,24,26,28
GND
Case and Circuit
Ground
1. By setting OD low, a test signal may be applied at CLKIN and fed through the VCO-600A to both the CLKOUT and CLKOUT to facilitate on board
testing. The test signal input applied at CLKIN may be either an ECL or sinewave input (up to 1Vpp, AC coupled). CLKIN is biased internally to
VBB (Vcc-1.3V)
2. An optional capacitor to ground can be placed on VBW to reduce the modulation bandwidth for narrow bandwidth phase-lock loop applications. The
modulation bandwidth will be approximately 1/(12000*C)Hz, where C is equal to the capacitance in Farads. If the optional capacitor is not utilized, VBW
becomes a no connect (NC) and the modulation bandwidth will be approximately equal to the nominal device frequency
÷1200.
3. By setting OD low, the outputs are disabled and CLKOUT is held Low while CLKOUT is held High. The threshold for OD is 1.4V above VEE. OD
should not be driven above mid supply and during normal operation, should be left floating (use with an open collector or 3-State gate for interfacing with
standard logic). If the OD feature is used during normal operation, then CLKIN should be tied through 10K
to GND to avoid any possibility of chatter on
the CLKOUT outputs.
Performance Characteristics
Table 2. Electrical Performance
Parameter
Symbol
Minimum
Typical
Maximum
Units
Center Frequency, see ordering information
FN
155
1000
MHz
Operating Temperature
TOP
-40
25
+85
°C
Supply Current
IEE
55
70
mA
Supply Voltage
1
VEE
-4.5
-5
-5.5
V
Absolute Pull Range (Vc= -0.5 to -4.5)
APR
±50
-
ppm
Positive Gain Transfer (freq vs Vc) 155.520MHz
KV
175
350
700
ppm/V
Positive Gain Transfer (freq vs Vc) 622.080MHz
KV
60
135
290
ppm/V
Linearity
Lin
±3
%
Frequency Stability, -40 to 85 wrt 25
°C
FSTAB
±150
ppm
Output Level Low
2
VOL
-1.95
-
-1.63
V
Output Level High
2
VOH
-0.98
-
-0.75
V
Output Rise Time
3
tR
100
250
400
pS
Output Fall Time
3
tF
100
250
400
pS
Spurious Suppression
-50
-60
dB
Data Symmetry
SYM
45
49/51
55
%
Control Voltage Input Impedance
Zc
8
10
12
K
Control Voltage Modulation Bandwidth
4
BW
-
500
-
kHz
Control Voltage Range
VC
VEE
-
VCC
V
Output Current
IOUT
-
20
mA
Storage Temperature
TS
-55
-
125
°C
Soldering Temp./Time
TLS
-
240/10
°C/S
1. The VCO-600A may be configured for PECL operation. All outputs and inputs including VC are referenced to Vcc
2. Output Levels are standard 10K ECL and are fully 100K ECL compatible.
3. Transition times are measured from 20% to 80% of a full 10K ECL level swing.
4. The modulation bandwidth is a function of nominal center frequency and may be adjusted down through the use of an external capacitor on pin 17.
Please see Figure 1 and Figure 2 along with Notes 1, 2 and 3.
Table 3. Typical Single Side-Band Phase Noise (dBc/Hz)
Offset from Carrier
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
VCO600A 622.080
-50
-80
-110
-130
-145
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