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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

2 t8 Z% f- h' W客户要求如下,如果哪家工厂可以做,请和我联系
$ d2 D1 }: g1 t3 [0 T$ Q > The application that we have in mind is similar to others that we commonly
: j: z E: s* U. n > have. If we were to pay for FCC approval, we would want to use the modem
' x. Q0 d! Q9 L) D6 b. E9 f+ o* q) g > units in all similar applications under the same approval number.
! R0 u, Z' @! L+ a> Therefore, we would like to be able to configure the units to a specific
9 u# l, \! U, H1 O! G> application. For the business that we do, this approach will yield more
4 e4 H2 R& u7 P4 F& F9 f> sales based on the same product and approval. We are interested in the
& W F0 @% @1 o8 i, t8 Q3 O }> following specifications:
' Y" D* l+ ]; q; ~; ^- `>
3 @) _1 S/ X+ Q! q2 T: @' f7 p7 [> - 2 inputs at the Transmitter with three possibilities;
# m3 i2 y$ E& k9 \1 T" K# u > 2 analog
1 _2 d% h" n4 p1 r6 M( U > 2 digital
" Y8 B2 f* ]' V> 1 analog and 1 digital
+ h5 x2 L' H1 p$ p- @! i>
4 j) x: @$ q |8 o9 W1 l > - 2 outputs at the Receiver with three possibilities to match inputs
1 i$ X# K* Y. `- S. O9 n9 O>
1 t3 i4 {5 S6 g/ Q > - Ability to configure/define analog Transmitter input ranges through
/ O/ h( b& M) a/ i8 f F% j+ z> simple programming method to correspond with full-range analog Receiver
9 T- \) \5 ]: l6 w5 p* K> outputs (0 - full voltage).
2 J. X1 R! t0 R# H& J >
* f- h' C2 r* A* ] ?, ?> - Ability to configure and set sample rates for the inputs.
0 G% `# [! j3 h* G, H4 Z5 {>
t5 N2 w x. j& p > - Digital output on Transmitter that turns on during the sampling period.
, f0 l% B; `- }6 g0 ] >
0 j# y$ R3 D$ U, L> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 g- G& z; q" r2 M1 v* _> both software control and input hardware control.
. {7 p; j# R# \6 E>
; g3 l* x3 t2 u1 Q' E" W; ~5 `8 _ > In order to configure the units, we would need a way to make the
: Z }2 P% `% Z6 B% h > settings. This would preferably be from a computer terminal so that
# K% G) I* Z9 K > configurations can be saved or easily duplicated for production volumes.
: Z! z/ m: ^$ V( K1 A > The units should be small and compact with shielding, and able to mount
- M' m: W$ J' ]% j> to a printed circuit board with header connector.
* k- A$ e4 {* G >
# M* I9 o/ I& ] F5 A. _3 [. t > At this time, we are interested in samples of a pair of modems that
4 z6 j, _+ _5 T5 j5 {: \ > might be similar to this proposed system. We do not expect that you
$ p' T* N5 K7 N+ o9 t> provide all of these specifications at this time. I can describe our
3 ?6 {1 I8 j8 ^% V > immediate application needs in the next email if this project is of
" y* i6 k3 W" T* G, S$ A> interest to you. Perhaps you can make the samples by those
! [+ A% J" C+ x I > specifications. This will allow us to test your radios before we move
, }) i; E9 M6 v$ E! N> forward. We are interested in your 900MHz radio to start.
3 T' r( b H+ q* s8 }0 R
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