InnoSenT IMS944 Users Manual

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DATA SHEET

Product Family: Multifunctional K-Band Transceiver
Range of use: Traffic Monitoring / Industrial Applications

Module Number: IMS-944

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General Information:

• The IMS-944 (InnoSenT Multifunctional Sensor) is the advanced version of the
famous InnoSenT K-Band Transceiver IPS-144.

• The sensor provides a special RF-Design for maximum sensitivity in long range
applications like traffic monitoring or speed enforcement.

• New and smart features like programmable Tx-frequency or 2 power options
give the user new options in the field of marketing and stock keeping.

Description:

Basic Features IMS-944:

• radar-based motion detector operating in the 24GHz ISM Band

• stereo (dual channel) operation for direction of motion identification

• integrated RF-pre-amplifier

• programmable IF-amplifier

• 2 selectable output power levels (ETSI / FCC)

• automatic gain control (AGC) of output power over temperature

• integrated PLL-circuit for high frequency stability

• frequencies are programmable by customer

o one constant frequency
o changing of frequencies by customers by external programming

Factory settings:

• programmed frequency: 24.160GHz

• programmed IF-gain: 53dB

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CONFIDENTIAL AND PROPRIETARY

The information contained in this document is the exclusive property of InnoSenT GmbH

and must not be disclosed by the recipient to third parties

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Parameter

Symbol

min. typ. max.

units

comment

out

out

Parameter

Symbol

min. typ. max.

units

comment

Innovation in radar sensing
Making happen what others only dream of

Electrical Characteristics:

Oscillator

transmit frequency F 24.000 24.250 GHz programmable
channel spacing 4 MHz
temperature drift
frequency
output power (ETSI) P
output power (FCC) P

∆f

20 dBm controlled by AGC
26 dBm

< 10 kHz/°C

Antenna

antenna pattern (-3 dB) horizontal 32 ° azimuth
vertical 14 ° elevation
side lobe suppression horizontal 25 dB azimuth
vertical 25 dB elevation

Antenna pattern:

output power [dB]

angle [°]

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CONFIDENTIAL AND PROPRIETARY

The information contained in this document is the exclusive property of InnoSenT GmbH

and must not be disclosed by the recipient to third parties

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Parameter

Symbol

min. typ. max.

units

comment

1

RMS

2

RMS

Pin # Description

In/Out

Comment

Innovation in radar sensing
Making happen what others only dream of

Receiver

IF-amplifier gain 20 53 dB programmable

upper corner 150 kHz @53dB

lower corner 40 Hz
output impedance 100 Ω
signal level
noise level

190 mV

3.3 mV

InnoSenT test setup

InnoSenT test setup
voltage offset 1.65 V
I/Q balance amplitude 3 dB
phase 60 120 °
output signal range 0 3.3 V

Power supply

positive supply voltage VCC 5 V
positive supply current ICC 170 mA

Environment

operating temperature TOP -20 60 °C
outline dimensions 65.8 x 70.0 x 9 (17.7) mm compare drawing

1

for known RCS, distance and speed of an object

2

@ InnoSenT Test setup and delivery status

Interface:

The sensor provides a JST Low insertion Force (FFC) Connector
Type 14FMN-BMT-A-TF

Mating part:
Lead Pitch 1mm
Lead width 0.7mm
Thickness 0.3±0.05mm

1 VCC IN-analog 5V supply voltage
2 PLL_LD

OUT- mixed Programmable FOLD-Output of LMX2310U (PIN9),

e.g. Lock Detect
3 CProg IN-digital Enable Customer Programming – Active Low
4 LP IN-digital Low Power – Active Low
5 GAIN_LE IN-digital SPI-Latch-Enable for Gain Setting
6 PLL_LE IN-digital SPI-Latch-Enable for PLL-Settings
7 SPI_DA/MOSI IN-digital SPI-Data / µC programming input
8 SPI_CL/MISO IN-digital SPI-Clock / µC programming input
9 SCK IN-digital µC programming input
10 RES IN-digital µC programming input
11 GND IN-analog
12 Q OUT-analog LF-output signal
13 I OUT-analog LF-output signal
14 NC

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X do not connect

Making happen what others only dream of

CONFIDENTIAL AND PROPRIETARY

and must not be disclosed by the recipient to third parties

Innovation in radar sensing
Making happen what others only dream of

Mechanical Outlines:

all dimensions in Millimeter

Certification and environment protection:

InnoSenT GmbH has established and applies a quality system for:
Development, production and sales of radar sensors for commercial and
industrial sensors

An audit was performed, Report No. 010350 Proof has been furnished that
the requirements according to DIN EN ISO 9001:2000 are fulfilled.

The prerequisites for the environment certificate DIN EN ISO 14001:2004
are also fullfilled
This InnoSenT product is compliant to the restriction of hazardous substances

(RoHs – European Union directive 2002/95/EG).

Innovation in radar sensing

Making happen what others only dream of

CONFIDENTIAL AND PROPRIETARY

The information contained in this document is the exclusive property of InnoSenT GmbH

and must not be disclosed by the recipient to third parties

4 von 5 DATA SHEET IMS-944 04-06-2009

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FCC approval:

This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions:

(1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including
interference that may cause undesired operation.
Usually this is followed by the following FCC caution:
Any changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate this
equipment.

IC approval:

Operation is subject to the following two conditions:

(1) this device may not cause interference, and

(2) this device must accept any
interference, including interference that may cause undesired operation of the device.
Usually this is followed by the following RSS caution:
Any changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate this
equipment

Contact Information:

InnoSenT GmbH
Am Roedertor 30
97499 Donnersdorf
Germany

Phone: [phone]
Fax: [phone]

E-Mail: [email protected]
Web: www.InnoSenT.de

Innovation in radar sensing

Making happen what others only dream of

CONFIDENTIAL AND PROPRIETARY

The information contained in this document is the exclusive property of InnoSenT GmbH

and must not be disclosed by the recipient to third parties

5 von 5 DATA SHEET IMS-944 04-06-2009

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