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[寻求合作]音频传输模块,做出口

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安防幼儿园学生

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发表于 2007-5-27 20:29:37 | 显示全部楼层 |阅读模式

; h+ Z1 |, j k9 S o 客户要求如下,如果哪家工厂可以做,请和我联系
2 Y1 x$ p R( |5 v2 i" y> The application that we have in mind is similar to others that we commonly
: y% b5 D. b2 ?. o, C( T > have. If we were to pay for FCC approval, we would want to use the modem
/ }: y) u3 x; W' U: Q6 Y > units in all similar applications under the same approval number.
0 n2 k: `% K& l1 a> Therefore, we would like to be able to configure the units to a specific
& a3 g# v) w, m+ P > application. For the business that we do, this approach will yield more
$ _! G" i e0 d1 {1 D" B > sales based on the same product and approval. We are interested in the
+ }; v+ l9 d' e5 P+ _- e > following specifications:
3 P u# G/ n4 R: J- | >
0 O! d4 Z* @1 c/ A; w# f" Y& S$ E> - 2 inputs at the Transmitter with three possibilities;
9 Z: e9 Z' W. U6 h! h4 Q > 2 analog
1 s( D" r; Q2 v+ c! P> 2 digital
3 ?& H+ Q; b7 {$ b> 1 analog and 1 digital
( @4 I7 K- Z. k. a& K>
, p& }8 A1 a: z" f> - 2 outputs at the Receiver with three possibilities to match inputs
# q; V! u6 \/ v" i, b O>
8 d% ?1 T/ \( q2 S- Q> - Ability to configure/define analog Transmitter input ranges through
# k6 @! C/ }7 w X Y% I) _> simple programming method to correspond with full-range analog Receiver
& _4 L' `1 s( T1 d l8 i> outputs (0 - full voltage).
1 K" z& ]0 J, S4 [4 X >
5 i, P' J b3 x) y# Q" U > - Ability to configure and set sample rates for the inputs.
! I9 |; V$ H# Z6 }9 J! B4 Y >
( t& p$ K0 k2 F6 `! { > - Digital output on Transmitter that turns on during the sampling period.
$ q7 s" Q, d; ~1 l0 M >
" t- h8 K {% d7 B7 @# F# V > - Ability to configure a power saving Sleep Mode in the Transmitter by
! o' N4 S8 w' u, E( R! ] > both software control and input hardware control.
; M+ f2 Q$ L& E& e0 k >
. f9 \. y' y, h9 c. g5 S > In order to configure the units, we would need a way to make the
4 I9 j5 O: _1 ~9 } > settings. This would preferably be from a computer terminal so that
5 S: R4 o. H, n, j1 q! ~4 L> configurations can be saved or easily duplicated for production volumes.
' Q# Q. G6 V K" w- Y2 C > The units should be small and compact with shielding, and able to mount
& Q3 v$ z) w* z& f! d9 {- { > to a printed circuit board with header connector.
' g: Y+ \) T) m9 w8 R>
) u, q' K7 }8 O N3 b8 `& g( T4 h4 ^% ? > At this time, we are interested in samples of a pair of modems that
' i' Z7 `7 d$ m# |1 s Z$ A> might be similar to this proposed system. We do not expect that you
+ g) k" o. S. m9 X' y% | > provide all of these specifications at this time. I can describe our
: T$ C: }2 _+ a7 z5 w* q> immediate application needs in the next email if this project is of
8 ?& j7 z# L3 Z/ q( Q7 h/ ? > interest to you. Perhaps you can make the samples by those
) ^" v% A& G! Q# Y9 B L2 V | > specifications. This will allow us to test your radios before we move
/ t4 p* i# s0 C/ m3 v, z7 V > forward. We are interested in your 900MHz radio to start.
7 I$ o/ z% y. O
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