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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

0 @) Y$ v) ~% ~6 p客户要求如下,如果哪家工厂可以做,请和我联系
+ i7 a! d. `0 L: U- f > The application that we have in mind is similar to others that we commonly
- U; i$ R2 ?: q> have. If we were to pay for FCC approval, we would want to use the modem
4 |3 j6 w- K9 H! n6 X- ~/ s > units in all similar applications under the same approval number.
" b, x% u* U( k' O d; L7 T > Therefore, we would like to be able to configure the units to a specific
) _: z8 ~3 i5 S) d% u8 l > application. For the business that we do, this approach will yield more
& Z+ l; ]7 t& b6 ?& D, W, u. T0 Z> sales based on the same product and approval. We are interested in the
3 e: w* b9 i/ F: m! u> following specifications:
4 | H* M* C' s4 }1 ?! }>
- V4 X4 p e- f2 X4 W& u> - 2 inputs at the Transmitter with three possibilities;
, t+ [4 j) k( k8 Y6 @ > 2 analog
& ?0 m: [4 T5 Q0 F# l5 ` > 2 digital
6 F, s2 N% l; N6 R' m> 1 analog and 1 digital
4 k" [7 @7 T- y/ s1 q8 T' X>
0 f+ G( n8 J. i& O$ b> - 2 outputs at the Receiver with three possibilities to match inputs
, ~& ~; `9 K) O >
! n `8 a9 B, Q) l! e# b/ }3 f> - Ability to configure/define analog Transmitter input ranges through
W) l/ \- s; V+ u3 t+ n2 q3 K0 a > simple programming method to correspond with full-range analog Receiver
# p: `6 j! h9 G# a > outputs (0 - full voltage).
U8 F% U, m, t& O! m>
" V0 H& s& T& a! ~; X' \7 Y> - Ability to configure and set sample rates for the inputs.
/ O8 \, J7 z% E$ Q>
6 b- Y% G% ]; C, ? > - Digital output on Transmitter that turns on during the sampling period.
* O5 l6 j& r% s+ i% O- ~ >
- g- w8 ]$ M6 Q) }& U, e# g/ @. j- z> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ [1 y9 C# P5 U5 p, Z- ~ > both software control and input hardware control.
2 r! @/ `" j' [+ P* d/ v2 F >
$ |# K% v; o' t7 [8 d > In order to configure the units, we would need a way to make the
; u6 U) e. J/ f1 d; _ > settings. This would preferably be from a computer terminal so that
' u" @/ I) q0 p0 c4 M. p; V( t > configurations can be saved or easily duplicated for production volumes.
7 R" w6 k" P% Y9 J# _4 H! p6 W5 D > The units should be small and compact with shielding, and able to mount
: P" v9 S \* z* r& F" w$ ^) a > to a printed circuit board with header connector.
" k/ L7 i( S/ s# c0 J! [>
* N7 u$ b/ A3 @- p; m0 w8 \> At this time, we are interested in samples of a pair of modems that
) ]; X; N) F$ c+ Y9 T/ A! g > might be similar to this proposed system. We do not expect that you
7 t( O+ Q0 X7 j1 Z% x > provide all of these specifications at this time. I can describe our
/ Q$ O9 v& U9 r1 g3 \ > immediate application needs in the next email if this project is of
2 W: B$ Y' k, V# y> interest to you. Perhaps you can make the samples by those
) M( [( \/ B) X3 B& W1 l$ i > specifications. This will allow us to test your radios before we move
/ B: W! @' M5 T2 p& L; X > forward. We are interested in your 900MHz radio to start.
1 U7 ?6 @% S' x! n J
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