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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

: x- o& \9 A: H: C客户要求如下,如果哪家工厂可以做,请和我联系
i1 n% L; F( M0 k" `8 Q0 k> The application that we have in mind is similar to others that we commonly
9 C7 V% S. o! i' i2 J4 k$ q7 B> have. If we were to pay for FCC approval, we would want to use the modem
! R# P+ L r6 a9 x4 i> units in all similar applications under the same approval number.
4 _' N# j, v8 Y > Therefore, we would like to be able to configure the units to a specific
5 w7 C$ Y& k8 c9 V! D1 p* N5 {> application. For the business that we do, this approach will yield more
: Y. V# I- m3 O$ I# | > sales based on the same product and approval. We are interested in the
, G' \$ z. H9 I > following specifications:
+ n0 q8 H( j" F: a0 I4 C>
* E/ G; ~! {* y2 O/ N7 H > - 2 inputs at the Transmitter with three possibilities;
3 `9 k% c2 P2 {# Y> 2 analog
3 ?0 a+ x- U* S5 u1 ^" i7 { > 2 digital
9 u3 z3 u, D6 p5 {7 |7 Q > 1 analog and 1 digital
2 L# l4 G% l5 b. R; L9 O3 s# d>
$ u* B9 p/ t) m8 r! c. n > - 2 outputs at the Receiver with three possibilities to match inputs
6 l# o9 E/ y0 y, n; m6 ^. | >
# u! O# A: I6 m- v' U# |4 l. Q4 o& d- o > - Ability to configure/define analog Transmitter input ranges through
* r3 u* D8 w9 t( Q> simple programming method to correspond with full-range analog Receiver
/ A. \6 q4 P7 A > outputs (0 - full voltage).
+ G9 d& a3 t' f/ y% D>
5 F! d5 i x c/ z! q > - Ability to configure and set sample rates for the inputs.
9 }/ K w$ q1 M" a0 P3 b>
) R8 _" x& P0 @* o3 s) Q' B > - Digital output on Transmitter that turns on during the sampling period.
, t5 e7 G) h! ~. L" G* S>
$ i7 b6 C+ \4 _4 x" Z> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 y* q/ S2 y( u > both software control and input hardware control.
, G" t+ n" t" p- U >
$ B1 l4 B& @( q& v* { > In order to configure the units, we would need a way to make the
+ t/ H" O( d- S: `& p% f> settings. This would preferably be from a computer terminal so that
- L, H; f' { C- U7 \/ r > configurations can be saved or easily duplicated for production volumes.
6 B6 B8 i6 X2 u* R > The units should be small and compact with shielding, and able to mount
0 J1 o+ Z5 U' U > to a printed circuit board with header connector.
8 d) a' E1 [* i. i& W8 |( j5 Q>
7 G* N# H1 s0 X& N > At this time, we are interested in samples of a pair of modems that
9 |9 ^" D1 |1 I5 a d > might be similar to this proposed system. We do not expect that you
+ {, A6 q; V7 b3 x: d> provide all of these specifications at this time. I can describe our
# X% E9 z ~: _) u& k8 ~ O > immediate application needs in the next email if this project is of
: |# ~2 Z9 [# B: x. H > interest to you. Perhaps you can make the samples by those
3 }. T( X/ {! H( S$ o( P, M> specifications. This will allow us to test your radios before we move
; g3 E' z* V8 i, @. l! Y8 {6 m > forward. We are interested in your 900MHz radio to start.
5 z. V& _ O' T) T9 }8 N" Q
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