power&rf 2005 summer variable capacitance diode for fm tuning fm `?R?` KV1735RTL-G, kv1735stl-g 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 package outline ordering information part name package marking pin configuration ordering information kv1735r-g sot23c-3 d3 ? KV1735RTL-G?storage direction: tl(left type) kv1735s-g sot23-3 c35 ? kv1735stl-g?storage direction: tl(left type) absolute maximum ratings parameter ? symbol ? rating unit g remarks q reverse voltage ]?R v r 16 v forward current ? i f 50 ma power dissipation SM p d 100 mw storage temperature range ?? t stg -55 to 150 c operating temperature range ?? t op -55 to +85 c electrical charcteristics t a =25 c value parameter ? symbol ? min typ max units g conditions reverse voltage ]?R v r 12 v i r =10 a reverse current ] i r 10.0 na v r =10v c 2 68.86 77.74 pf v r =2.0v, f=1mhz c 6 26.39 36.69 pf v r =6.0v, f=1mhz diode capacitance c 9 16.91 22.25 pf v r =9.0v, f=1mhz series resistance ?? r s 0.30 ? v r =2.0v, f=100mhz capacitance ratio a 3.30 4.60 c 2 /c 9 * 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 4 291b or equivalent instruments. ??y? agilent 4291b ???
power&rf 2005 summer typical charcteristics ? capacitance versus reverse voltage ]?R f=1mhz, t a =25 c ? reverse current versus reverse voltage ]?R t a =+25 / +55 / +85 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 1n i r , reverse current(a) v r , reverse voltage(v) 0.0 16.0 10p 100f t a =+25c t a =+55c t a =+85c 2.0 4.0 6.0 8.0 10.0 12.0 14.0 100p 1p ? q versus reverse voltage ]?R q t a =25 c ? series resistance versus frequency ??? v r =1.5v, t a =25 c f=70mhz 1000 q v r , reverse voltage(v) 100 10 f=50mhz f=100mhz 0.0 1.0 2.0 3.0 4.0 9.0 5.0 6.0 7.0 8.0 0.3 f, frequency(hz) 50m 500m 0.1 r s , series resistance( ? ) ? c(t a )/c(25 c) versus reverse voltage ]?R c(t a )/c(25 c) f=1mhz t a =-55 to +85 c ? capacitance temperature coeffi cient versus reverse voltage ]?R??S f=1mhz, t a =25 c 1.05 c(t a )/c(25c) v r , reverse voltage(v) 1.00 0.95 t a =-55c t a =-15c t a =+25c t a =+55c t a =+85c 0.96 0.98 1.03 1.04 0.0 1.0 2.0 3.0 4.0 9.0 5.0 6.0 7.0 8.0 0.97 0.99 1.01 1000 ? c/ ? t a , temperature coefficient(ppm/c) v r , reverse voltage(v) 100 0.0 1.0 2.0 3.0 4.0 9.0 5.0 6.0 7.0 8.0
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