DA-0518S42TA 概述
Detector Log Video Amplifiers (DLVA) 检测日志视频放大器( DLVA )
DA-0518S42TA 数据手册
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PDF下载Detector Log Video Amplifiers (DLVA)
The content of this specification may change without notification7/01/09
Features
DLVA
Advanced Microwave Hybrid Integrated
Circuits Technology
Detector Log Video Amplifiers (DLVA)
Frequency Range from 0.5 to 18GHz
Superior Log Linearity
Wide Dynamic Range
Wide Bandwidth
There are three basic typesof logarithmic amplifiers,
Detector-Log Video Amplifiers (DLVAs)
Successive Detection Logarithmic
Low Current Consumption
DC-Coupled DLVAs
Amplifiers True Log Amplifiers (TLAs)
High Performance
A detector log video amplifier (DLVA) is a type of
logarithmic amplifier in which the envelope of the
input RF signal is detected by a standard "linear"
diodedetector. The output of the detector is
compressed in the video amplifier section, making
input/output relationship similar to a logarithmic
conversion. In general, the DLVA offers the
High Reliability
High Repeatability
Compact Size And Light Weight
Custom Design Available
advantage of operating over the widest frequency
range, but at the sacrifice of dynamic range.
Applications
Radar Systems
Limited by the detecting range of square law of the
input diode detector, typical dynamic range for a
DLVA is approximately 40 dB.
Navigation Systems
Laboratory Measurement And Test Equipment
Telecommunications And Data Communications
Military And Instrumentation Systems
Other Commercial Applications
In quite a lot of usages, two log cascades are put in
parallel with a RF amplifier incorporated in time of
detection of the log cascade, so that the dynamic
range can be extended to approx.70dB.
The detected video sections of a DLVA can either be
AC coupled, DC coupled, or pseudo DC coupled.
Each has its advantages, depending upon the application
(i.e., CW operation, temperature compensation, etc.).
The basic configuration of a DLVA is simply a
detector diode to convert the RF energy into a DC
voltage followed by a video amplifier with a
logarithmic transfer function. The combination results
in a device which compresses a large RF signal
range into a narrow range of video voltage.
We have put considerable effort into designing a
DC coupled DLVA with very low baseline drift.
Employing a tunnel diode based detector circuit
coupled with a very stable DLVA, high-speed
miniature DC DLVA with good recovery
characteristics is available.
188 Technology Drive, Unit H, Irvine, CA 92618
1
Tel: 949-453-9888 Fax: 949-453-8889 Email: sales@aacix.com
American Accurate Components, Inc.
Detector Log Video Amplifiers (DLVA)
The content of this specification may change without notification7/01/09
DLVA
Coaxial
0.5 to 18GHz
Freq. Range
TSS
(dBm)
Typ
Linearity
(dB)
Max
Dynamic
Range
(dBm)
Log Linearity
(dB)
VSWR
P/N
Case
(GHz)
Max
Max
DA-0520S41NA
0.5 - 2
-41
±2
-39 - +5
±0.7
2.0:1
DL1
DA-0560S41NB
DA-0518S42NA
DA-2040S42NA
DA-2040S42NB
DA-2080S41NA
DA-2018S41NA
DA-4080S42NA
DA-6012S41NA
DA-6012S42NB
DA-6018S42NA
DA-6018S42NB
DA-8012S41NA
DA-8018S41NA
DA-8018S41NB
DA-1218S42NA
DA-1218S42NB
DA-0520D72N
DA-2060D72N
DA-4080D72N
DA-2018D68N
DA-6012D72N
DA-6018D72N
DA-8018D72N
DA-1218D72N
0.5 - 6
0.5 - 2
2 - 4
-41
-42
-42
-42
-41
-41
-42
-41
-42
-42
-42
-41
-41
-41
-42
-42
-72
-72
-72
-68
-73
-72
-72
-72
±2
±2
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-70 - +5
-70 - +5
-70 - +5
-65 - +5
-70 - +5
-70 - +5
-70 - +5
-70 - +5
±1.0
±0.7
±0.7
±1.0
±0.7
±0.7
±0.5
±0.5
±1.0
±0.5
±1.0
±0.5
±0.5
±1.0
±0.5
±1.0
±1.0
±1.0
±1.0
±1.0
±1.0
±1.0
±1.0
±1.0
2.5:1
3.5:1
2.0:1
2.5:1
2.5:1
3.5:1
2.5:1
3.0:1
2.5:1
3.5:1
2.5:1
2.5:1
2.5:1
2.5:1
2.5:1
2.5:1
2.2
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL3
DL3
DL3
DL3
DL3
DL3
DL3
DL3
±2
2 - 4
±2
2 - 8
±2
2 - 18
4 - 8
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2
6 - 12
6 - 12
6 - 18
6 - 18
8 - 12
8 - 18
8 - 18
12 - 18
12 - 18
0.5 - 2
2 - 6
±2
2.2
4 - 8
±2
2.2
2 - 18
6 - 12
6 - 18
8 - 18
12 - 18
±2.5
±2
2.5
2.2
±2
2.3
±2
2.2
±2
2.2
Rise Time: 29ns(Typ)
Delay Time: <30ns
Log Slope: 50mV/dB
General Specifications
Maximum CW Input(No Damage):
Recovery Time: 500ns(@+15dB)
≤
+20dBm
Power Supply:
±
12V DC
Notes:
1. Operating Temperature
2. Custom Designs Available
:
-55 OC to +85 OC. Storage Temperature -60 OC to +90 OC.
:
2
188 Technology Drive, Unit H, Irvine, CA 92618
Tel: 949-453-9888 Fax: 949-453-8889 Email: sales@aacix.com
American Accurate Components, Inc.
Detector Log Video Amplifiers (DLVA)
The content of this specification may change without notification7/01/09
DLVA
Coaxial
0.5 to 18GHz
Continued
Freq. Range
TSS
(dBm)
Typ
Linearity
(dB)
Max
Dynamic
Range
(dBm)
Log Linearity
(dB)
VSWR
P/N
Case
(GHz)
Max
Max
DA-0520S42TA
0.5 - 2
-42
±2
-39 - +5
±0.7
2.0:1
DL1
DA-0560S42TB
DA-0518S42TA
DA-2040S42TA
DA-2040S42TB
DA-2080S41TA
DA-2018S40TA
DA-4080S41TA
DA-6012S41TA
DA-6012S41TB
DA-6018S41TA
DA-6018S41TB
DA-8012S41TA
DA-8018S40TA
DA-8018S41TB
DA-1218S42TA
DA-1218S42TB
0.5 - 6
0.5 - 18
2 - 4
-42
-42
-42
-42
-41
-40
-41
-41
-41
-41
-41
-41
-40
-41
-42
-42
±2
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
-39 - +5
±1.0
±0.7
±0.7
±1.0
±0.7
±0.7
±0.5
±0.5
±1.0
±0.5
±1.0
±0.5
±0.5
±1.0
±0.5
±1.0
2.5:1
3.5:1
2.0:1
2.5:1
2.5:1
3.5:1
2.5:1
3.0:1
2.5:1
3.5:1
2.5:1
2.5:1
2.5:1
2.5:1
2.5:1
2.5:1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
DL1
±2
±2
2 - 4
±2
2 - 8
±2
2 - 18
4 - 8
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
6 - 12
6 - 12
6 - 18
6 - 18
8 - 12
8 - 18
8 - 18
12 - 18
12 - 18
Rise Time: 29ns(Typ)
Delay Time: <30ns
Log Slope: 50mV/dB
General Specifications
Maximum CW Input(No Damage):
Recovery Time: 500ns(@+15dB)
≤
+20dBm
Power Supply:
±
12V DC
Notes:
1. Operating Temperature : -55 OC to +85 OC. Storage Temperature : -60 OC to +90 OC.
2. Custom Designs Available
3
188 Technology Drive, Unit H, Irvine, CA 92618
Tel: 949-453-9888 Fax: 949-453-8889 Email: sales@aacix.com
American Accurate Components, Inc.
Detector Log Video Amplifiers (DLVA)
The content of this specification may change without notification7/01/09
DLV
A
Outline Drawings (Size: mm)
Terms and Definitions
Operational Bandwidth is the range of input
frequency over which the technical speci-
fications of the amplifier are met.
Log Slope is the straight line slope of the
input/output transfer characteristics of the
detected signal over the dynamic range. The
log slope is expressed in millivolts per dB of a
best-fit straight line as derived by a least-
squares approximation of all data points
Log Linearity is the maximum deviation in dB
of all measured points from the calculated
best-fit straight line. The dynamic range can
be as high as 75dB, depending
upon
Dynamic Range is the range of the input
signals in dB over which the output linearity
requirement is met.
Maximum Input Power is the maximum
power that the logarithmic amplifier can
withstand without damage.
DC offset is the residual DC output of
logarithmic amplifier when the input is
terminated with 50ohm.
a
DL1
Tangential Signal Sensitivity (TSS) defines
the input level that results in an output signal-
to-noise ratio of 6 dB. TSS, which is directly
related to noise figure and bandwidth, aids in
defining the lower limit of the input dynamic
range of a logarithmic amplifier. TSS is also a
convenient way of specifying a logarithmic
amplifier's noise performance, since noise
Rise Time is defined as the time difference
between the 10% point and 90% point on the
rising leading edge of the output video pulse.
Recovery Time for a logarithmic amplifier is
defined in many ways by system engineers.
The most common is to use multiple pulses
and characterize the time between the 90%
point on the trailing edge of the first pulse and
the 10% point on the leading edge of the
DL3
4
188 Technology Drive, Unit H, Irvine, CA 92618
Tel: 949-453-9888 Fax: 949-453-8889 Email: sales@aacix.com
American Accurate Components, Inc.
DA-0518S42TA 相关器件
型号 | 制造商 | 描述 | 价格 | 文档 |
DA-0520D72N | AAC | Detector Log Video Amplifiers (DLVA) | 获取价格 | |
DA-0520S41NA | AAC | Detector Log Video Amplifiers (DLVA) | 获取价格 | |
DA-0520S42TA | AAC | Detector Log Video Amplifiers (DLVA) | 获取价格 | |
DA-0560S41NB | AAC | Detector Log Video Amplifiers (DLVA) | 获取价格 | |
DA-0560S42TB | AAC | Detector Log Video Amplifiers (DLVA) | 获取价格 | |
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