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| 型号： | SC3035B-1 |
| 厂商： | RFM |
| 文件页数： | 1/3页 |
| 文件大小： | 0K |
| 描述： | MOD SAW FREQ CTRL 800MHZ SMC-8 |
| 标准包装： | 50 |
| 系列： | SC |
| 类型： | SO（SAW） |
| 频率： | 800MHz |
| 功能： | 三态（输出启用） |
| 输出： | 正弦波 |
| 电源电压： | 3.3V |
| 频率稳定性： | ±250ppm |
| 工作温度： | 0°C ~ 70°C |
| 电流 - 电源（最大）： | 40mA |
| 安装类型： | 表面贴装 |
| 尺寸/尺寸： | 0.530" L x 0.360" W（13.46mm x 9.14mm） |
| 高度： | 0.081"（2.05mm） |
| 封装/外壳： | 8-SMD |
| 包装： | 带卷 (TR) |
SC3035B-1
?
Quartz SAW Frequency Stability
?
?
?
?
Fundamental Fixed Frequency
Very Low Jitter and Power Consumption
Rugged, Miniature, Surface-Mount Case
Low-Voltage Power Supply (3.3 VDC)
800.0 MHz
Differential
This digital clock is designed for use with high-speed timing systems. Fundamental-mode oscillation is made
possible by surface-acoustic-wave (SAW) technology. The design results in low jitter, compact size, and low
power consumption. Differential outputs provide a sine wave that is capable of driving 50 Ω loads.
Absolute Maximum Ratings
Sine-Wave
Clock
Rating
Power Supply Voltage (V CC at Terminal 1)
Input Voltage (ENABLE at Terminal 8)
Case Temperature (Powered or Storage)
Electrical Characteristics
Value
0 to +4.0
0 to +4.0
-40 to +85
Units
VDC
VDC
°C
SMC-8 Case
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Output Frequency
Absolute Frequency
Tolerance from 800.000 MHz
f O
Δ f O
1, 2
799.800
800.200
±250
MHz
ppm
Q and Q Output
Voltage into 50 Ω (VSWR ≤ 1.2)
Operating Load VSWR
V O
1, 3
0.60
.85
2:1
V P-P
Symmetry
Harmonic Spurious
Nonharmonic Spurious
3, 4, 5
3, 4, 6
49
-25
51
-20
-60
%
dBc
dBc
Q and Q Period Jitter
Output (Disabled)
No Noise on V CC
200 mV P-P from 1 MHz to 1/2 f O on
Amplitude into 50 Ω
3, 4, 6, 7
3, 4, 7, 8
3, 9
15
30
35
75
ps P-P
ps P-P
mV P-P
Output DC Resistance (between Q & Q)
3
50
K Ω
ENABLE (Terminal 14) Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
Propagation Delay
V IH
V IL
I IH
I IL
t PD
3, 9
V CC -0.1
0.0
V CC
3
V CC +0.1
0.20
5
-1
1
V
V
mA
mA
ms
DC Power Supply
Operating Voltage
Operating Current
V CC
I CC
1, 3
+3.13
+3.30
20
+3.47
40
VDC
mA
Operating Ambient Temperature
T A
1, 3
0
+70
°C
Lid Symbolization (YY = Year, WW = Week)
RFM SC3035B-1 800.00 MHz YYWW
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
NOTES:
1.
2.
3.
4.
5.
6.
Unless otherwise noted, all specifications include any combination of load
VSWR, VCC, and TA. In addition, Q and Q are terminated into 50 Ω loads
to ground. (See: Typical Test Circuit.)
One or more of the following United States patents apply: 4,616,197;
4,670,681; 4,760,352.
The design, manufacturing process, and specifications of this device are
subject to change without notice.
Only under the nominal conditions of 50 Ω load impedance with VSWR ≤
1.2 and nominal power supply voltage.
Symmetry is defined as the pulse width (in percent of total period)
measured at the 50% points of Q or Q. (See: Timing Definitions.)
Jitter and other spurious outputs induced by externally generated electrical
noise on V CC or mechanical vibration are not included. Dedicated external
voltage regulation and careful PCB layout are recommended for optimum
7.
8.
9.
10.
performance.
Applies to period jitter of Q and Q. Measurements are made with the
Tektronix CSA803 signal analyzer with at least 1000 samples.
Period jitter measured with a 200 mV P-P sine wave swept from 1 MHz to
one-half of f O at the V CC power supply terminal.
The outputs are enabled when Terminal 8 is at logic HIGH. Propagation
delay is defined as the time from the 50% point on the rising edge of
ENABLE to the 90% point on the rising edge of the output amplitude or as
the fall time from the 50% point to the 10% point. (SEE: Timing
Definitions.)
The start up time is definded as the time from when power is applied to
terminals 1 and 8 (90% of 3.3V) until power out from Q and Qbar reaches
90% of Qout level.
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 1 of 3
SC3035B-1 - 8/12/08
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