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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

- ]/ o1 E$ q! u客户要求如下,如果哪家工厂可以做,请和我联系
0 J( z3 M) K) L& `! w> The application that we have in mind is similar to others that we commonly
- k5 j9 R8 t9 H$ ]) I> have. If we were to pay for FCC approval, we would want to use the modem
E& T7 m' S2 z- V" m> units in all similar applications under the same approval number.
7 N1 w @2 q" P, x > Therefore, we would like to be able to configure the units to a specific
" v( u# C* Q' p" R> application. For the business that we do, this approach will yield more
# R, w [* C/ t8 R' d> sales based on the same product and approval. We are interested in the
* V: b: {3 i$ v& y > following specifications:
4 E& U* W0 |1 d>
- c# n- Q5 Y) q* g/ _ h' h, X: {> - 2 inputs at the Transmitter with three possibilities;
0 w' g$ C; {, y' T2 R0 U > 2 analog
! l; G$ i" P& q7 k, n8 K* h > 2 digital
6 y: }. z) E9 u) e( v# P > 1 analog and 1 digital
0 O% H/ d, F9 N+ I/ U: z>
$ M4 H) _7 ]7 X( h> - 2 outputs at the Receiver with three possibilities to match inputs
6 S: ~5 V/ q1 P" q7 T6 K >
6 ~2 D% R0 p+ Q9 z2 Q4 f > - Ability to configure/define analog Transmitter input ranges through
, K9 m& I: f c: J. |' v> simple programming method to correspond with full-range analog Receiver
4 h; J. I+ M% M. Q: y> outputs (0 - full voltage).
1 r+ S& ]! s- D" ?$ y >
, d' K6 n# O n* c1 ^9 Y> - Ability to configure and set sample rates for the inputs.
! N7 ~$ v. M" q/ J6 d! F>
# ]! z# p* k5 D8 j7 N- [> - Digital output on Transmitter that turns on during the sampling period.
8 }. S- I8 { `5 }; \ >
7 Y- r m! ]7 O > - Ability to configure a power saving Sleep Mode in the Transmitter by
) [4 x' }3 I9 w! ]: T& v > both software control and input hardware control.
( s) E+ ^2 h3 N>
( Y: _& k1 C( c% j* t: H7 e! q> In order to configure the units, we would need a way to make the
: l3 v! m8 |" F* r. U1 ~. m> settings. This would preferably be from a computer terminal so that
& _% A# ]. d8 O F4 _> configurations can be saved or easily duplicated for production volumes.
' D Z- X4 Z3 T" w F4 { > The units should be small and compact with shielding, and able to mount
) N' \; d o* U* U9 t1 E > to a printed circuit board with header connector.
' Z5 r) D) {# `9 v9 J. k>
9 f+ N' T8 C9 u8 a" P) l > At this time, we are interested in samples of a pair of modems that
# e1 W, J1 F Y3 C. C7 v$ m> might be similar to this proposed system. We do not expect that you
$ J* R0 \" ?" v- O L> provide all of these specifications at this time. I can describe our
4 n/ |& @: I/ M9 J: Y > immediate application needs in the next email if this project is of
$ m* q B$ E" t I0 M > interest to you. Perhaps you can make the samples by those
# Q/ M8 S, S# |: w. s> specifications. This will allow us to test your radios before we move
* R+ X# A5 w- R$ ]0 ^/ P > forward. We are interested in your 900MHz radio to start.
7 D! ^; `6 v# u0 X
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