SRM400 PROWAVE, SRM400 Datasheet

SRM400

Manufacturer Part Number

SRM400

Description

SONAR RANGING MODULE, ULTRASONIC

Manufacturer

PROWAVE

Datasheet

1.SRM400.pdf (2 pages)

Specifications of SRM400

Kit Contents

Module Board, 400EP14D Enclosed Type Transducer, Detail Electrical Schematic

Svhc

No SVHC (18-Jun-2010)

External Depth

19mm

External Length / Height

8mm

External Width -

RoHS Compliant

Silicon Manufacturer

Prowave

Kit Application Type

Sensor

Application Sub Type

Sonar Ranging Measurement

Rohs Compliant

Yes

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The SRM400 is a sonar ranging module

utilizing our new developed Sonar Ranging IC,

PW-0268, which can work with all our PT or

EP type transducers. SRM400 provides as a

shortcut to develop car reversing systems or

some other distance measurement systems for

design engineers who are not very familiar

with analog circuit and/or the operation of

ultrasonic transducers. By using this module

engineers can focus firstly on the other fields of

digital circuit and software designs as well as

some other mechanical issues. After first stage

then you can either design your own analog

circuit based on the module construction or

consult with factory for making your own

module for your special needs.

Features:

Sonar Ranging Module

ranging up to 250KHz

transducers with different frequencies

32 steps

external component count,

function for transmitting a pulse and

receiving an echo

control of, the number of pulses transmitted,

the slope of the variable gain amplifier, and

the pulse repetition rate

Operating Voltage: 6 – 10Vdc single source

Operating Frequency: broadband output

Built-in variable RC oscillator matching

High Gain Amplifier: varies with time over

Integrated Band Pass Filter: reduces

Bi-direction I/O Pin: simplifies the control

An adjustable System Clock: enables the

Board size: 27.9 * 18 mm (L*W)

Available from ; Midas Components Ltd, Tel - +44 1493 602602, www.midascomponents.co.uk

Specification:

Operation voltage

Operation current

Oscillation frequency Variable RC oscillator

Amplifier gain

Bandpass filter

Driving voltage

(no load)

Bi-directional I/O

Measuring distance

SRM400

1. Module board

2. 400EP14D enclosed type transducer of

3. Detail electrical schematic

Pre-Amplifier

Time controlled 32

steps main

amplifier

asymmetrical beam patterns, see detail

specification of 400EP14D.

Stage Amplifier 30 dB

PROWAVE

Input signal Open collector pull low

includes:

Output 0..05*Vcc to 0.9*Vcc

DC6 - 10V

<20 mA ＠DC10V

14 dB

35 dB max.

Fc: 38 KHz

Bandwidth: 20KHz

Insertion loss: 1 dB

130Vpp;

pulse width 0.5ms

digital echo signals

25 – 150 cm

SRM400

Related parts for SRM400

SRM400 Summary of contents

Page 1

... Sonar Ranging Module The SRM400 is a sonar ranging module utilizing our new developed Sonar Ranging IC, PW-0268, which can work with all our type transducers. SRM400 provides as a shortcut to develop car reversing systems or some other distance measurement systems for design engineers who are not very familiar with analog circuit and/or the operation of ultrasonic transducers ...

Page 2

... BAV99 3 100 1 2200p 2 220u 4 IFT 1.5K 511 BSS123 Test "B" 10n 10n 33K BAV99 Test "D" Tone bursts Signal st 1 Pre-Amplifier Digital Echo signal Output SRM400 Test "C" 20K 400EP14D Vref Ultrasonic Transducer 6.8K Vref H: 0.5ms/div V: 5V/div H: 0.5ms/div V: 20mV/div H: 0.5ms/div V: 5V/div ...

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