3G14A-150M-0.500 [MERCURY]
Oscillator;型号: | 3G14A-150M-0.500 |
厂家: | MERCURY UNITED ELECTRONICS INC |
描述: | Oscillator |
文件: | 总6页 (文件大小:434K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
V C X O “G” series
Logic: TTL / CMOS
Wave Form: Square
MERCURY
Since 1973
What is a VCXO ?
Crystal
Amplifier
Unlike regular clock oscillator which has fixed output frequency, the output
frequency of a VCXO (also known as “frequency modulator”) can be tuned
±50~±200 ppm up or down from the nominal frequency by varying the
control voltage on the voltage control pin. Varactor, a voltage variable
capacitance tuning diode, is used to achieve this purpose.
Output
Varactor
Voltage Control
Applications of VCXO include (PLL) phase lock loop, SONET/ATM, set-top
boxes, MPEG , audio-video modulations, video game consoles and HDTV sets.
Product Summary:
Package Code
Frequency Range
Assembly Technique
Package Size (mm) [inches]
Thru-Hole Types
12.8 x 20.2 x 5.88H
[0.504 x 0.795 x 0.231]
12.8 x 12.8 x 5.88H
[0.504 x 0.504 x 0.231]
G14
500 kHz ~ 170 MHz
500 kHz ~ 170 MHz
4 pin DIL full size
4 pin DIL half size
G8
Surface Mount Types – Gull Wing
12.8 x 20.2 x 7.6H
[0.504 x 0.795 x 0.300]
12.8 x 12.8 x 7.6H
[0.504 x 0.504 x 0.300]
G24
500 kHz ~ 170 MHz
500 kHz ~ 170 MHz
Gull wing version of G14
Gull wing version of G8
G18
Surface Mount Types – Leadless
9.6 x 11.4 x 1.85H
[0.378 x 0.449 x 0.073]
9.6 x 11.4 x 2.5H
[0.378 x 0.449 x 0.098]
9.6 x 11.4 x 2.5H
[0.378 x 0.449 x 0.098]
9.6 x 11.4 x 4.7H
[0.378 x 0.449 x 0.185]
9.6 x 11.4 x 4.7H
[0.378 x 0.449 x 0.185]
5.0 x 7.0 x 1.7H
[0.197 x 0.275 x 0.067]
5.0 x 7.0 x 1.7H
[0.197 x 0.275 x 0.067]
5.0 x 7.5 x 2.65H
G61
G62
G42
G64
G44
G57
G576
G575
500 kHz ~ 170 MHz
6 pad FR4 Leadless
6 pad FR4 Leadless
4 pad FR4 Leadless
6 pad FR4 Leadless
4 pad FR4 Leadless
4 pad Ceramic Leadless
6 pad Ceramic Leadless
6 pad Leadless
500 kHz ~ 170 MHz
500 kHz ~ 170 MHz
500 kHz ~ 170 MHz
500 kHz ~ 170 MHz
2 MHz ~ 60 MHz
2 MHz ~ 60 MHz
500 KHz ~ 170 MHz
[0.197 x 0.295 x 0.104]
MERCURY www.mercury-crystal.com
Taiwan: TEL (886)-2-2695-7099, FAX (886)-2-2695-7473, e-mail: sales-tw@mercury-crystal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: sales-us@mercury-crystal.com
MERCURY
Page 1 of 6
Date: Dec. 1, 2001
Rev. 0
V C X O “G” series
Logic: TTL / CMOS
Wave Form: Square
MERCURY
Since 1973
“G” series General Specifications
TA=+25°C, VDD= At specified voltage, CL=15 pF
3.3 V System
VDD = +3.3 V D.C. ±5%
5.0 V System
VDD =+5.0 V D.C.±5%
Input Voltage (VDD)
Control Voltage Center (Vc)= +1.65 V Control Voltage Center (Vc) = +2.5 V
Voltage code is “3"
To tune to the nominal frequency with
Vc = 1.65 V±0.2V
Voltage code is "5"
To tune to the nominal frequency with
Vc = 2.5V V±0.2V
Initial Frequency Accuracy (at+25°C)
Commercial temperature
500 kHz ~ 100 MHz
500 kHz ~ 90 MHz
500 kHz ~ 156 MHz
500 kHz ~ 140 MHz
Frequency
Range
(0°C to +70°C)
Industrial temperature
(-40°C to +85°C)
TTL
2.4 V min.
2.97 min.
2.4 V min.
Vcc – 0.5 min.
Output Voltage HIGH “1”
Output Voltage LOW “0”
Frequency Pulling Range
CMOS
TTL
CMOS
0.4 V max.
0.4 V max.
0.33 max.
0.5 V max.
From ±30 ppm to ±150 ppm
Control Voltage Range: 0.3 V to 3.0 V
“A”: ±25 ppm over 0°C to +70°C
“C”:±100 ppm over 0°C to +70°C
From ±80 ppm to ±200 ppm
Control Voltage Range: 0.5 V to 4.5 V
“B”:±50 ppm over 0°C to +70°C
Frequency Stability(1)
Commercial temp. range (code “C”)
For non-standard please give desired frequency stability after the “C”.
For example “C20” is ±20 ppm over 0 to +70°C
“D”:±25 ppm over -40°C to +85° (not available on all packages)
Frequency Stability(1)
Industrial temp. range (code “I”)
“E”:±50 ppm over -40°C to +85°C
“F”:±100 ppm over -40°C to +85°C
For non-standard please give desired frequency stability after the “I”.
For example “I20” is ±20 ppm over -40 to +85°C
5 ~ 10 TTL gates
TTL
Output Load
CMOS
15 ~ 50 pF
5 n Sec. max; 2 n Sec. typical. Measured between 0.4V to 2.4V
(RL=390 Ω; CL=15 pF)
5 n Sec. max; 2 n Sec. typical. Measured between 10% to 90%VDD
(CL=15 pF)
TTL
Rise Time (Tr) and
Fall Time (Tf)
CMOS
TTL
Duty Cycle
40% min. 60 % max. (measured at +1.4 V)
40% min. 60 % max. (measured at 50% VDD)
10 m Sec. max. 5 m Sec. typical
10% max.; 6% typical
CMOS
Start-up Time (Ts)
Linearity
Monotonic and Positive: Increasing control voltage always increases output
frequency. Negative slope is also available.
15 ~ 45 mA (frequency dependent)
10 kHz min.
Slope Polarity (Transfer Function)
Current Consumption
Modulation Bandwidth (±3 dB)
Input Impedance
10 kΩ at 10 kHz min.
Storage Temperature
Aging
Jitter, one sigma, 155.520 MHz, +5 V
-40°C to +85°C
±5 ppm per year max.
25 ps typical, 28 ps max.
(1)Inclusive of 25°C tolerance, operating temperature range, ±10% input voltage variation, load change, aging, shock and
vibration.
MERCURY
Page 2 of 6
Date: Dec. 1, 2001
Rev. 0
V C X O “G” series
Logic: TTL / CMOS
Wave Form: Square
MERCURY
Since 1973
Ordering Information:
Desired pulling
range in ± ppm
Frequency
in MHz
G --
Input
Voltage
Package
Code
Frequency
Stability
Pulling
Range
Range
Code
Nominal
Frequency
“3” for +3.3V
“5” for +5.0V
Choose from A,B,C,
D,E,F,or custom
"M" for maximum
"N" for minimum
"T" for typical (tolerance is ±20%)
Part Number Examples:
3G44B-120T-54.000
represents 54.0 MHz VCXO in G44 package, frequency stability is ±50
ppm from 0°C to +70°C, pullability is ±120 ppm typical, +3.3 V.
Output Waveform:
Transfer Function: Typical response of 5G14C-150N-27.000
(at +25°C, postive transfer)
TTL CMOS
Tr
Tf
2.4V 90%VDD
V
+150
+100
+50
1.4V 50%VDD
0.4V 10%VDD
0
0.5
1.5
3.5
4.5
2.5
-50
VOL
TH
-100
-150
T
Control Voltage (V)
" ------ " : Theoretical 0% non-linearity
Duty Cycle = (TH / T)x100%
SSB Phase Noise: 155.520 MHz at +3.3V
-60
-70
-80
-90
-100
-110
-120
-130
-140
G series
GL series
10 Hz
-100 Hz
1 kHz
10 kHz
100 kHz
4
9
offset
MERCURY
Page 3 of 6
Date: Dec. 1, 2001
Rev. 0
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