2009 autumn 9v series variable capacitance diode for fm tuning 9v ? fm `?R?` KV1735R kv1735s (sot23c-3) (sot23-3) features ? included twin element ? ??? 1 Md ? very small tolerance of element being next device to each other ? O??g? ? excellent linearity of the cv curve ? cv ???? ? extra large capacitance ratio: a=3.30 to ? O??? : a=3.30~ ? very small series resistance: r s =to 0.3 ? ?? : r s =~0.3 classification rank c 1 2 3 4 min 68.86 70.81 72.80 74.85 c 2 max 71.52 73.53 75.61 77.74 selection charts capacitance(pf) capacitance ratio type v r.max (v) min. typ. max. v r (v) min. typ. max. v r (v) rs max c tolerance c max i f (ma) p d (mw) t stg ( c) t op ( c) KV1735R 18 68.86 26.39 16.91 77.74 36.69 22.25 2 6 9 3.3 4.6 2/9 0.3 @2v 100mhz 50 100 -55 to 150 -55 to 85 kv1735s 18 68.86 26.39 16.91 77.74 36.69 22.25 2 6 9 3.3 4.6 2/9 0.3 @2v 100mhz 50 100 -55 to 150 -55 to 85 * capacitance measured in parallel connections. ? back to back type 2 ?`??? * diode capacitance measured with agilent 4279a or equivalent instruments (at osc level 20 5mvrms) y? agilent 4279a ??? osc ? 20 5mvrms * resistance meter is agilent 4291b or equivalent instruments. ??y? agilent 4291b ??? typical charcteristics ? capacitance versus reverse voltage ]?R f=1mhz, t a =25 c ? series resistance versus frequency ??? v r =1.5v, t a =25 c 1000 c, capacitance(pf) v r , reverse voltage(v) 0.0 1.0 2.0 3.0 4.0 9.0 100 10 5.0 6.0 7.0 8.0 0.3 f, frequency(hz) 50m 500m 0.1 r s , series resistance( )
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