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Kenwood PS-430 - Scanned-image-8-0

Kenwood PS-430
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TS-440S
CIRCUIT DESCRIPTION
2) AF notch circuit
๎›”
๎˜จ
๎››
๎ขƒ
๎›
๎ข„๎ข…๎ข†
๎›
๎›”๎ค๎ฒŒ
๎ผ„๏ŽŽ๎ด๎ฏ€๎ต–๎ฏ€๓ฐ‡ฝ
๎™…๎›ป
๎˜ฝ๎œ„
๎ฆง๎ฆง
๎ฆ” ๎ฆจ๎ฆฉ ๎ฆช ๎ฆซ ๎ฆจ๎ฆง๎ฆง๎ฆฉ๎ฆง๎ฆฌ๎ฆญ๓ฐ‡ฝ
๎šฐ๎œ„
๎˜ฐ๎œ„
๎œฅ๎ฅŒ๎ฒŒ
๎››
๎›ช๎œ›๎ฒŒ
๎˜๎˜ข๎›ถ๎˜˜๎˜‡๎˜™๎›ถ
๎˜จ๎ฒŒ G
๎ฉ‘๎ฉฑ๎ฒŒ๎˜Œ๎˜ฒ๎›๎˜ป๎˜œ๎›ถ
๎œƒ๎ฅผ๎™ณ๎ฒŒ
๎ชช๓ฐ‡ฝ
I
๎˜Œ๎›ถ
๎˜˜๎˜ฒ๎›ถ
๎ซก๎ฒŒ
๎˜ฏ๎œ„
๎™Œ๓ฐ‡ฝ
i
l
๎˜—๎›ถ
๏ˆฆ๓ฐ‡ฝ๎ ƒ๎ „๎ข
๎˜‡๎˜ป๎˜œ๎˜˜๎›ถ
๎˜ฃ๎›ถ
๎คœ๎ฒŒ
๎šถ๎ฒŒ
๎™Œ๓ฐ‡ฝ
๎™๎ฒŒ
๎œ…๎ฒŒ
๎œ…๎ฒŒ
๎ฌผ๎ฐฉ๎ด๓ฐ‡ฝ
๎™Ž๓ฐ‡ฝ
๎œฅ๎š—๎š—๎š—๎ฒŒ๎˜จ๎›ฆ๎ซ‰๎ฒŒ
๎˜๎›ƒ๎›ถ๎˜จ๎˜จ๎œ›๎ฒŒ
๎ซฝ๎›ฆ๎ฒŒ๎˜Œ๎˜‡๎˜™๎›ถ
๎˜๎˜ฃ๎›ถ22K
๎ชซ๓ฐ‡ฝ
๎™๓ฐ‡ฝ
๎™๎ฒŒ
๎ฌผ๎ฐฉ๎ณณ๓ฐ‡ฝ
๏‘†๓ฐถ๓ฐ‡ฝ
๎˜๎˜Œ๎˜‡๎›ถ๎˜Œ๎˜‡๎˜‡๎˜™๎›ถ
VR2
๎›ช๎ฒŒ
VR3
๎ฆ‰๎ฒŒ
๎˜ข๎›ถ
๎œƒ๎ฅฝ๎ฅด๎ฒŒ๎ฃ›๎™ณ๎™ณ๎ฅ›๎ฆš๎ฒŒ
๎™ 
๎™๎›ถ
๎›๎˜‡๎˜พ๎š€๎›”๎šซ๎›ถ๎šผ๎˜‡๎˜œ๎šˆ๎›ต๎›ถ
๏ŽŽ๎ฒ๎ฏ€๎ฆ•๎ฏ€๎ณณ๎ฏ€๎ฌฝ๎ฆ•๎ฌฝ๎ฌฝ๎พ’๎ปฉ๎ซฒ๎ฒ๏–…๓ฐ‡ฝ
๎˜ฐ๎œ„
๎šช๎›ถ
๎˜—๎›ถ
๎˜ฎ๎›ถ
๎˜—๎›ถ
๎˜ฎ๎›ถ
๎˜ฏ๎œ„
๎ด
Fig. 5 NOTCH circuit
๎™˜๎™๎™๎ž‘ ๎™†๎˜›๎˜ฎ๎˜Ž๎˜…๎˜ˆ๎ž‘ ๎š๎˜ ๎ž‘๎™œ๎ž‘ ๎˜…๎˜‚๎ž‘ ๎˜—๎™†๎™๎ž‘ ๎˜Ÿ๎™“๎ž‘๎˜๎˜‚๎˜…๎˜—๎ž‘ ๎˜…๎˜†๎ž‘ ๎˜„๎˜‚๎ž‘๎˜„๎˜๎˜ˆ๎˜…๎˜ƒ๎ž‘ ๎˜‚๎˜ƒ๎˜—๎˜‰๎™†๎ž‘ ๎˜‰๎˜…๎˜Ž๎˜‰๎˜๎˜…๎˜—๎˜’๎ž‘
๎™“๎˜…๎˜”๎˜๎˜Ž๎™๎ž‘ ๎˜ข๎ž‘๎˜†๎™†๎˜ƒ๎˜ž๎˜†๎ž‘๎˜…๎˜—๎˜†๎ž‘๎™๎˜ฟ๎˜๎˜…๎˜๎˜„๎˜š๎™๎˜‚๎˜—๎ž‘๎˜‰๎˜…๎˜Ž๎˜‰๎˜๎˜…๎˜—๎˜ณ๎ž‘ ๎™˜๎˜‹๎˜…๎˜†๎ž‘๎˜‰๎˜…๎˜Ž๎˜‰๎˜๎˜…๎˜—๎ž‘๎˜‘๎˜ƒ๎˜Ž๎˜๎˜†๎ž‘๎˜†๎˜—๎˜„๎˜—๎™๎™ˆ
๎˜๎˜„๎˜Ž๎˜…๎˜„๎˜ฎ๎˜š๎™๎ž‘ ๎˜ฎ๎˜„๎˜‚๎˜ˆ๎˜๎˜„๎˜†๎˜†๎ž‘๎˜‘๎˜…๎˜š๎˜—๎™๎˜Ž๎˜œ๎ž‘ ๎˜„๎˜š๎˜†๎˜ƒ๎ž‘๎˜น๎˜‚๎˜ƒ๎˜ž๎˜‚๎ž‘๎˜„๎˜†๎ž‘๎˜„๎ž‘ ๎˜ฎ๎˜…๎™›๎˜ฟ๎˜๎˜„๎˜ˆ๎ž‘๎˜‘๎˜…๎˜š๎˜—๎™๎˜Ž๎˜’๎ž‘๎™˜๎™†๎™๎ž‘
๎˜‚๎˜ƒ๎˜—๎˜‰๎™†๎ž‘๎˜‘๎˜Ž๎™๎˜ฟ๎˜๎™๎˜‚๎˜‰๎˜›๎ž‘๎˜‰๎˜„๎˜‚๎ž‘๎˜ฎ๎™๎ž‘๎˜‰๎™†๎˜„๎˜‚๎˜”๎™๎˜ˆ๎ž‘๎˜๎˜†๎˜…๎˜‚๎˜”๎ž‘๎˜—๎˜‹๎™๎ž‘๎˜‚๎˜ƒ๎˜—๎˜‰๎™†๎ž‘๎˜‰๎˜ƒ๎˜‚๎˜—๎˜Ž๎˜ƒ๎˜š๎ž‘๎˜๎˜„๎˜Ž๎˜…๎™ˆ
๎˜„๎˜ฎ๎˜š๎™๎ž‘ ๎˜Ž๎™๎˜†๎˜…๎˜†๎˜—๎˜ƒ๎˜Ž๎˜’๎ž‘๎˜ฃ๎˜…๎˜‚๎˜‰๎™๎ž‘๎˜—๎˜‹๎™๎ž‘๎˜‰๎˜…๎˜Ž๎˜‰๎˜๎˜…๎˜—๎ž‘๎˜‰๎˜ƒ๎˜‚๎˜†๎˜…๎˜†๎˜—๎˜†๎ž‘๎˜ƒ๎˜‘๎ž‘๎˜—๎˜‹๎™๎ž‘๎˜‹๎˜›๎˜ฎ๎˜Ž๎˜…๎˜ˆ๎ž‘ ๎˜Ÿ๎˜ ๎˜œ๎ž‘ ๎˜†๎˜—๎˜„๎™ˆ
๎˜ฎ๎›ฉ๎™๎ž‘๎˜„๎˜—๎˜—๎™๎˜‚๎˜๎˜„๎˜—๎˜…๎˜ƒ๎˜‚๎ž‘๎˜‰๎™†๎˜„๎˜Ž๎˜„๎˜‰๎˜—๎™๎˜Ž๎˜…๎˜†๎˜—๎˜…๎˜‰๎˜†๎ž‘๎˜‰๎˜„๎˜‚๎ž‘๎˜ฎ๎™๎ž‘๎˜ƒ๎˜ฎ๎˜—๎˜„๎˜…๎˜‚๎™๎˜ˆ๎ž‘๎™๎˜š๎™๎˜‰๎˜—๎˜Ž๎˜…๎˜‰๎˜„๎˜š๎˜š๎˜›๎ž‘๎˜„๎˜‚๎˜ˆ๎ž‘
๎˜—๎™†๎™๎˜Ž๎˜๎˜„๎˜š๎˜š๎˜›๎˜ณ๎ž‘๎˜ฅ๎™†๎™๎ž‘๎˜Ž๎˜„๎˜‚๎˜”๎™๎ž‘๎˜ƒ๎˜‘๎ž‘๎˜๎˜„๎˜Ž๎˜…๎˜„๎˜ฎ๎˜š๎™๎ž‘๎˜‚๎˜ƒ๎˜—๎˜‰๎˜‹๎ž‘๎˜‘๎˜Ž๎™๎˜ฟ๎˜๎™๎˜‚๎˜‰๎˜…๎™๎˜†๎ž‘๎˜…๎˜†๎ž‘๎˜ด๎˜•๎˜•๎ž‘๎˜ต๎˜ฐ๎ž‘
๎˜—๎˜ƒ๎ž‘ ๎˜ก๎˜ฒ๎˜•๎˜•๎ž‘ ๎˜ต๎˜ฐ๎˜“๎ž‘
๎™˜๎™†๎™๎ž‘ ๎˜‚๎˜ƒ๎˜—๎˜‰๎™†๎ž‘ ๎˜‘๎˜Ž๎™๎˜ฟ๎˜๎™๎˜‚๎˜‰๎˜›๎ž‘ ๎˜…๎˜†๎ž‘ ๎˜ˆ๎™๎˜—๎™๎˜Ž๎˜๎˜…๎˜‚๎™๎˜ˆ๎ž‘ ๎˜ฎ๎˜›๎ž‘ ๎˜—๎™†๎™๎ž‘ ๎˜‘๎˜ƒ๎˜š๎˜š๎˜ƒ๎˜ž๎˜…๎˜‚๎˜”๎ž‘ ๎˜—๎˜ž๎˜ƒ๎ž‘
๎˜‘๎˜ƒ๎˜Ž๎˜๎˜๎˜š๎˜„๎˜†๎˜“๎ž‘
๎™œ๎™๎ž‘
๎˜‘๎œด๎›ณj๎™Œ๎˜ฒ๎™ป๎˜ก๎œ™j๎™‚๎™Œ ๎™œ๎ž‘
๎š’๎™ฃ๎˜ƒ๎˜—๎˜‰๎˜‹๎ž‘๎™ฉ๎™Œ๎™๎šฃ๎™Œ๎˜ช๎šฃ๎™Œ ๎˜ซ๎˜•๎šฃ๎˜  ๎™œ๎šฃ๎˜ ๎˜ฒ๎˜ข๎ž‘๎˜“๎œ‹๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎ž‘๎˜ซ๎ž‘
๎˜ก๎™๎ž‘ ๎™Œ๎˜ฒ๎šฃ๎™‚๎™Œ ๎™œ๎˜ก๎š’๎™Œ๎™œ๎˜ง๎™๎›ณ๎™Œ ๎™œ๎˜•๎šฃ๎™Œ ๎™œ๎™œ๎ž‘๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎˜“๎ž‘๎˜ก๎ž‘
๎š๎˜‘๎ž‘๎˜„๎ž‘๎˜๎˜„๎˜Ž๎˜…๎˜„๎˜ฎ๎˜š๎™๎ž‘ ๎˜Ž๎™๎˜†๎˜…๎˜†๎˜—๎˜ƒ๎˜Ž๎ž‘๎˜…๎˜†๎ž‘๎˜๎˜†๎™๎˜ˆ๎ž‘๎˜‘๎˜ƒ๎˜Ž๎ž‘ ๎˜Ž๎™๎˜†๎˜…๎˜†๎˜—๎˜ƒ๎˜Ž๎ž‘๎™ฃ๎™…๎˜ฅ๎˜ ๎˜ต๎ž‘๎™ฉ๎™Œ๎˜œ๎ž‘ ๎˜—๎™†๎™๎ž‘๎˜‚๎˜ƒ๎˜—๎˜‰๎™†๎ž‘
๎˜‘๎˜Ž๎™๎˜ฟ๎˜๎™๎˜‚๎˜‰๎˜›๎ž‘ ๎˜‰๎˜„๎˜‚๎ž‘๎˜ฎ๎™๎ž‘ ๎˜‰๎˜ƒ๎˜‚๎˜—๎˜Ž๎˜ƒ๎˜š๎˜š๎™๎˜ˆ๎ž‘ ๎˜„๎˜‰๎˜‰๎˜ƒ๎˜Ž๎˜ˆ๎˜…๎˜‚๎˜”๎ž‘ ๎˜—๎˜ƒ๎ž‘๎˜‘๎˜ƒ๎˜Ž๎˜๎˜๎˜š๎˜„๎ž‘ ๎˜ซ๎ž‘๎™๎˜“๎ž‘
๎˜ฅ๎™†๎™๎ž‘๎˜‚๎˜ƒ๎˜—๎˜‰๎˜‹๎ž‘๎˜‘๎˜Ž๎™๎˜ฟ๎˜๎™๎˜‚๎˜‰๎˜›๎ž‘ ๎˜Ž๎˜„๎˜‚๎˜”๎™๎ž‘๎˜…๎˜†๎ž‘๎˜‘๎˜Ž๎˜ƒ๎˜๎ž‘๎˜ด๎˜•๎˜•๎ž‘๎˜—๎˜ƒ๎ž‘๎˜ก๎˜ฒ๎˜•๎˜•๎ž‘๎˜ต๎˜ฐ๎˜œ๎ž‘ ๎˜„๎˜‚๎˜ˆ๎ž‘๎˜„๎˜—๎™ˆ
๎˜—๎™๎˜‚๎˜๎˜„๎˜—๎˜…๎˜ƒ๎˜‚๎ž‘๎˜…๎˜†๎ž‘ ๎˜‘๎˜Ž๎˜ƒ๎˜๎ž‘ ๎˜ก๎˜ข๎ž‘ ๎˜—๎˜ƒ๎ž‘ ๎˜ข๎˜•๎ž‘๎˜ˆ
๎™
๎šฏ๎ž‘
9

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