美国奥林巴斯-泛美超声波脉冲发射接收器panametrics model 5073PR型概述：
脉冲发生器-接收器具有适用于手动控制和基于计算机的检测系统的宽带负尖波激励脉冲和极高的材料穿透性能，从而提高了自动检测的性能。Olympus Panametrics的脉冲发生器-接收器与基于计算机的系统一起使用，可完成那些要求具有高材料穿透性能且超声信号的极低噪音放大性能的自动超声检测应用。
美国奥林巴斯-泛美超声波脉冲发射接收器panametrics model 5073PR型具有超高性能的宽带（75MHz）、负尖峰激励脉冲发生器，尖峰激励脉冲器可以优化宽带响应和近表面分辨率；
阻尼、脉冲能量、重复速率可选；
可选20MHz低通滤波器；
可选高通滤波器用于快速恢复时间和低频噪声抑制；
与泛美的无级闸门、闸门峰值探测器、闸门阈值报警和自动系统兼容；
美国奥林巴斯-泛美超声波脉冲发射接收器panametrics model 5073PR型的脉冲发生器：脉冲重复速率0.2~10kHz可调；
大脉冲振幅：-180V（100Ω阻尼，第四档能量位置，无外部载荷）；
阻尼范围（脉冲回波模式或穿透模式）：12/14/17/20/25/33/50或100Ω可选；
脉冲上升时间（50Ω阻尼，小能量）：＜2ns（10%-90%）；
脉冲能量（CE2/2）：2、4、8和16微焦（可选）；
同步信号输出：3.5V（阻尼=50Ω），在2.4V上可驱动26个标准TTL负载；
外部触发要求：+2.4V（大7V）（1000pf与10kΩ串联），小脉冲宽度200ns；
接收器输入阻抗（穿透模式）：100Ω（线性范围），信号大于线性范围时约100Ω；
大输入功率：大平均功率400mW；
相位：反相或不反相（内置选择开关）；
衰减器：0~49dB，1dB步进；
电压增益（带宽35MHz，阻尼=50Ω）：0~39dB，1dB步进；
输出噪声：典型7mVp-p（带宽75MHz）；
高通滤波器：1kHz（out）或5MHz（选择）；
低通滤波器：75MHz（大）或20MHz（选择）；
脉冲发生器与接收器之间的绝缘：在50MHz时小53dB（典型62dB）；
大输出电压波动：±1.0Vpk（阻尼=50Ω）；
输出阻抗：50Ω；
美国奥林巴斯-泛美超声波脉冲发射接收器panametrics model 5073PR型电源要求：100/120/220/240VAC，50~60Hz，7.5W；
保险丝：1/4A（100/120VAC），1/8A（220/240VAC）；
尺寸：178x89x232mm；
重量：2.3kg；
工作温度：0~50℃；
美国奥林巴斯-泛美超声波脉冲发射接收器panametrics model 5073PR型参数规格：
|
UNIT
|
5072PR,5073PR,5077PR
|
|
Input/Output:
|
External Trigger
In, Sync Out, RF Out, T/R and R: All BNC female connectors
|
|
Power Main
Requirements:
|
100/120/220/240
VAC, 50/60 Hz
|
|
Operating
Temperature:
|
0-50°C
|
|
Size and Weight:
|
7" W x
3.5" H x 9.1" D (178 mm x 89 mm x 232 mm); 5 lbs (2.3 kg)
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Specifications
|
PULSER
|
5073PR
|
|
Pulse Type
(main bang):
|
Negative Impulse
|
|
Rise Time
(10% to 90%):
|
Typically <2
ns
|
|
Available Pulse
Voltage:
(no load)
|
-180 V
|
|
Available Pulse
Energy:
|
2, 4, 8, or 16
µjoules
|
|
Damping:
|
12, 14, 17, 20,
25, 33, 50, or
100 ohms
|
|
Pulse Width:
|
N/A
|
|
Mode:
|
Pulse Echo or
Thru-Transmission
|
|
Isolation (53 dB
min):
|
Typically 62 dB
at 50 MHz
|
|
Pulse Repetition
Rate:
(Internal)
|
200, 500, 1000,
2000, 5000, 10000, or 20000 Hz
|
|
Pulse Repetition
Rate:
|
0-10 kHz
|
|
Synch Output
Pulse:
|
|
|
External Trigger
Input:
(in series with 10 Kohms)
|
2.4 V into 1000
PF
200 ns minimum pulse width
|
|
RECEIVER
|
5073PR
|
|
Maximum
Bandwidth:
(-3 dB, RL=50 ohms)
|
1 kHz - 75 MHz
|
|
Voltage Gain:
|
0-39, 1 dB steps
(RL=50 ohms)
|
|
Phase:
|
inverting or
non-inverting (internal switch)
|
|
Attenuator Range:
|
0-49, 1 dB steps
(RL=50 ohms)
|
|
High Pass Filter:
|
1 kHz (out) or 5
MHz
|
|
Low Pass Filter:
|
75 MHz (out) or
20 MHz
|
|
Noise:
|
200 µV pk-pk
typical, referred to input, BW=75 MHz
|
|
Max Signal
Output:
|
+/-1V pk.,
terminated in 50 ohms
|
|
Input
Resistance:
(Thru-Transmission)
|
100 ohms linear
range
50 ohms at levels > linear range
|
|
Output Impedance:
|
50 ohms
|
|
Maximum Input
Power:
|
400 mW
|
美国奥林巴斯-泛美超声波脉冲发射接收器panametrics model 5073PR型英文简介：
Model 5073PR:75
MHz (-3 dB) ultrasonic bandwidth with fast rise time spike pulser extends
performance for work with 50 MHz transducers in applications that challenge
limits in axial and near surface resolution.
These affordable
and reliable manually controlled pulser-receivers provide the perfect building
blocks for both conventional and high frequency applications. Each instrument
is designed for superior low noise receiver response and high performance
pulser control.
When used with an appropriate transducer and analog or digital oscilloscope,
Panametrics pulser-receivers provide the perfect starting point for ultrasonic
flaw detection, thickness gaging, materials characterization, and transducer
characterization.
奥林巴斯-泛美超声波脉冲发射接收器Features &
Benefits
Three models
provide optimization for both conventional and high frequency
applications
Broadband Spike (5072 and 5073) or Tunable Square Wave (5077) transducer
excitation models available
Front panel controls permit quick and easy setup of parameters for optimizing
signal response
Each model delivers a wide dynamic range with 1 dB sensitivity adjustments
made through a front panel lever switch
Low noise receiver amplification and pulser optimization ensure superior
signal-to-noise characteristics
Superior isolation of receiver from pulser main bang when operating in
thru-transmission mode
+/-1 volt RF output into 50 ohm load
Small, lightweight packaging
