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PWM signal booster — zdjęcie 1
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PWM signal booster

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Sometimes it would just be easier if your signal generator could give that bit more ummphhh

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PWM signal booster.

On occasion when testing or designing it would be handy for your signal generator to create a PWM signal that you could drive a high load with.

This PWM booster print requires an inexpensive H bridge, e.g. https://www.amazon.co.uk/dp/B07RQKS377?ref=ppx_pop_mob_ap_share Large Current 50A H-bridge High-power Single-channel Motor Driver Module Working Voltage 5V to 15V. Inexpensive but if driving a motor, directional switching or suddent braking can produce a "generator voltage" which by this circuits  design is not protected and may damage driver electronics. As such simply install a bidrectional 15V TVS diode across the outputs. e.g.  https://www.amazon.co.uk/dp/B0BZYGSVD8?ref=cm_sw_r_cso_em_apin_dp_QQ7MNTV2PRV22DFSVP5J&ref_=cm_sw_r_cso_em_apin_dp_QQ7MNTV2PRV22DFSVP5J&social_share=cm_sw_r_cso_em_apin_dp_QQ7MNTV2PRV22DFSVP5J&th=1 

Sockets https://www.amazon.co.uk/dp/B0DXV5SK1M?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

Bidirectional switch amazon.co.uk/QWORK-Performance-Rocker-Premium-Position/dp/B09Q172RVD/ref=sr_1_6?crid=3KM5K2EBSVD17&dib=eyJ2IjoiMSJ9.SVe3nzOaye4D8w-r-e691Q92Lp77EG2u9km4MxGmVyR55jI7Q4w8QAmsJJR1_J_cGJGCSh7sG0bJPl7Koi2cWfQc756_urvMC6sXGMzEecCqt_fbedx7sumsZl8fjAAP5Pl9QMo-a3qgitBj6dQm3FeBdw5CU6ncUnI6W9NEeV01pzIGjdPorqqayBLX7YZSGmfcCmSHmkPgHidgMUqoDfxefzrNRulJSEptQllfHXY.UAi0vIZr0P0BBzJP4BK1Ae11ATXyuOaLzzQRSn2zc6c&dib_tag=se&keywords=toggle+switch&qid=1774298556&sprefix=toggle+switch%2Caps%2C276&sr=8-6 

Get in touch if you need a schematic, should be obvious if your contemplating printing this :)

Pics show a RIGOL DG822 pro driving and contolling an 18V ryobi fan bi directionally as a demo.

Tagi