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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! z4 m, v6 u8 j7 d 客户要求如下,如果哪家工厂可以做,请和我联系
% F) p& ?, u! c, `/ ]0 G& _ > The application that we have in mind is similar to others that we commonly
& G# @1 p9 t0 { a; Z7 ~2 n> have. If we were to pay for FCC approval, we would want to use the modem
. E3 l- @* [: Y2 O9 e5 L > units in all similar applications under the same approval number.
+ }7 l% k7 a7 [; C* ^ > Therefore, we would like to be able to configure the units to a specific
; D( N( S. o a) Q3 J( ~* j > application. For the business that we do, this approach will yield more
' L! } _4 c, M" J! M2 Q* @$ e > sales based on the same product and approval. We are interested in the
! h5 r6 m" m* ^% g2 u> following specifications:
1 N6 u/ d! W m' P7 c >
0 U8 t6 a2 S* g6 i+ ~3 T" ] > - 2 inputs at the Transmitter with three possibilities;
" i( f2 J0 I) D> 2 analog
* Y9 l: G9 p1 Y8 q! P > 2 digital
, A$ F. Y& P1 H/ q% q7 |> 1 analog and 1 digital
3 h! I9 h$ J% `; _ >
& F" c" z% U5 k! C > - 2 outputs at the Receiver with three possibilities to match inputs
2 N) q) ?2 ?+ Q# S >
0 C( t4 M) L8 T3 B% D- \ > - Ability to configure/define analog Transmitter input ranges through
8 e' l2 q& i+ I/ { > simple programming method to correspond with full-range analog Receiver
2 P$ v" p& a# Q% ^, |' ?7 \. z) z > outputs (0 - full voltage).
) e: m. D& U1 ^/ k/ V! b4 O>
3 F' l& i( m7 I* `. b- Z1 Q8 N > - Ability to configure and set sample rates for the inputs.
2 {. c* Q' p: R/ m5 f6 \- q8 m/ \ >
" ^$ w1 @/ ~, h7 J> - Digital output on Transmitter that turns on during the sampling period.
; G9 H5 D1 v- W6 w- b) I4 f9 a- ` >
, p4 i3 e# \7 T! N( K > - Ability to configure a power saving Sleep Mode in the Transmitter by
. N1 |- x2 R; W+ X, E' e/ g/ Y. G> both software control and input hardware control.
) h+ K; \& l4 K: v7 j>
3 Y; m- w, b* Z > In order to configure the units, we would need a way to make the
& ^/ w2 E, l6 Z7 C6 s4 Y; y > settings. This would preferably be from a computer terminal so that
" H! a, `$ ]/ \> configurations can be saved or easily duplicated for production volumes.
) P/ ~- F8 a( E; p2 B# ` > The units should be small and compact with shielding, and able to mount
& ]1 t/ y+ p2 n9 v% q > to a printed circuit board with header connector.
8 P5 U6 ~- D2 T" F) L >
- z" E* b+ G: H8 e2 {+ T > At this time, we are interested in samples of a pair of modems that
6 N% x9 x4 K, U0 Y3 V u > might be similar to this proposed system. We do not expect that you
$ K( S# ~! y2 `2 ^( o% ~2 I- Y> provide all of these specifications at this time. I can describe our
: P- ?* H3 T+ ~! ^/ i> immediate application needs in the next email if this project is of
+ t; ~' }+ v" @* F, N$ |/ p- D* B6 g> interest to you. Perhaps you can make the samples by those
% D0 V) ~3 z, s2 ~) s% }7 D > specifications. This will allow us to test your radios before we move
: M( P3 ]1 T+ U- H$ F! C& c > forward. We are interested in your 900MHz radio to start.
+ x& j |0 ?" G/ g5 v1 r4 r
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