http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 1 wenshing ?? trw - 10ghz r adar module 8.5ghz wireless radar transceiver module version history version date changes v1.01 feb . 24 , 2009 1 st . edition v1.02 mar . 27 , 2009 2 nd . edition
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 2 key featur e ? 10dbm o utput power function introduction trw - 10 ghz is high frequency radar transceiver module. it is usin g doppler effect t heory to detect frequency change when person or objects move. when it finish signal detect , it will output to mcu to detect or op amp voltage c omparator to deal with signal strength. performance of this module is different from pir ( p assive infrared sensor ), pir distance will be very short because of te mperature changes . more stable , long distance, wide angle, high sensitivity, cost is lower than pir and easy for using. it can use in various products . whatever indoor or outdoor, you can design different products to fit difference place and environment . using this module , you don t need to waste energy, save electricity fees and extended product life to let energy - saving and minus carbon p urpose coming true. it can widely use in automatic door opener, security system, automatic light sensor, traffic sp eed searching, traffic light signal control, office power management, intelligent control, medical probe and so on. doppler effect the doppler effect is something which occurs likes sound or light moves relative to an observer. the object, observer, or bo th can move, causing an apparent change in the frequency of the wavelengths being emitted by the object. the doppler effect explains why a rude driver's car horn appears to change in frequency as he or she zooms by while leaning on it, and an understanding of the doppler effect can help scientists make a variety of observations about the world around them. when an object approaches an observer, the wavelengths are compressed, causing the frequency to increase, and as the object moves away, the wavelengths s pread out, causing a corresponding decrease in frequency. when an object is approaching an observer, the frequency of the wavelengths appears to increase, in a phenomenon known as blue shifting. as the object moves away from the observer, the frequency see ms to decrease from the observer's perspective, in a situation known as red shifting. another example commonly used to illustrate the doppler effect is the siren of an emergency ? dual 2 p atch antenna ? operating frequency 8.5gh z ? 50m d etection distance
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 3 vehicle. as the vehicle approaches, the pitch of the siren seems to change, ca using it to sound . application ? automatic door opener ? security system ? automatic light sensor ? staircase & aisle light ? turf sensor light ? parking light control ? traffic light signal control ? office power management ? traffic speed searching ? intelligent control ? medical probe electrical specification parameter specification unit condition min typ e max frequency range 8.2 8.7 gh z output power 8 12 dbm if output amplitude 4 00 mv vpp supply v oltage, vdd 5 v dc current 45 ma internal block dia gram osc mix if out trw - 10 ghz
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 4 p in assignment dimension (unit: mm) pin description typical value 1 gnd 2 if load 1 0 k ohm 3 gnd 4 gnd 5 gnd 6 vcc 5v dc supply
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 5 circuit example d12 led r26 1k if in c31 103p c29 205p r27 1k r24 150k r29 12k j10 pin3 2.54mm 1 2 3 j11 pin3 2.54mm 1 2 3 u11 ic njm78l05(sot-89) out 1 gnd 2 in 3 vcc 5v vcc 5v c26 106p j9 con4 1 2 3 4 vcc 5v c30 153p r34 resistor var r33 100k c24 68uf c27 68uf r28 1k c23 106p + - u13 3 2 1 8 4 + - u12 lm358 5 6 7 8 4 r23 10k r22 47r r31 1m te1 r30 470k r32 4m7 c28 205p r25 10k 0.7v c25 104p c32 106p r35 10k
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 6 trw - 10ghz control end application s pecification ( c ontrol s ide) when module which is as control pane to use in combination, it can be used in automatic door installations . when people close to installations, relay will be automatically action around 5 sec onds; through setting, you can set distance according to your need, it is easy for use. application ? automatic door opener ? security system ? automatic light sensor ? staircase & aisle light ? turf sensor light ? parking light control ? traffic light s ignal control electrical specification parameter specification unit condition min typ e max supply v oltage, vdd 9 12 v ac/dc relay s witching v oltage 12 5 v ac relay s witching v oltage 30 v dc relay s witching c urrent 1 a standby current 5 2 ma 12vac
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 7 circuit connection dimension (unit: mm) t o a c / d c 1 2 v c o n t r o l l e r s e t u p k e y
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 8 operation distance setting press the set button for 2 seconds and led1, led2, led3 start blinking , it is meaning that it is into the dista nce setting mode . when led stops blinking , led show s current status which stored in the internal configuration . to re - set the action , please use the button to adjust required distance . it will automatically switch distance set ting when you press button e ve ry time, please check distance setting details a s following table. if you hope to leave setting mode after finished setting, please press the button and wait until led start flash . then, you can leave the button and i t will auto - save settings and switch to standby mode . led display distance meter application the farthest and use for light controller shortest = lights = lights out
http : //www.wenshing.com.tw ; http://www.rf.net.tw t rw - 10 ghz data s heet p . 9 action time setting press the set button for 2 seconds and led1, led2, led3 start blinki ng , it is meaning that it is into the distance setting mode . when led stops blinking , led show s current status which stored in the internal configuration . to re - set the action , please use the button to adjust required distance . it will automatically switch distance setting when you press button every time, please check distance setting details as following table. if you hope to leave setting mode after finished setting, please press the button and wait until led start flash. then, you can leave the button a nd i t will auto - save settings and switch to standby mode . led display time application 20 minutes garage door or light controller 10 minutes 5 minutes parking lane 1 minute 10 seconds 5 seconds 1 seco nd automatic door connection control = lights = lights out
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