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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

6 z: g4 m7 P' A* N$ h6 e 客户要求如下,如果哪家工厂可以做,请和我联系
0 g/ U# u; J- M( U* U> The application that we have in mind is similar to others that we commonly
( [) o, I/ }# \+ R7 z5 P > have. If we were to pay for FCC approval, we would want to use the modem
% }5 f& {2 e. g" q: S9 R$ i > units in all similar applications under the same approval number.
. x+ c5 `) e* M8 T3 j+ h/ a! d> Therefore, we would like to be able to configure the units to a specific
+ O3 M4 |# b; j$ }3 v. S- D > application. For the business that we do, this approach will yield more
' u# r' h' I" w) p! d6 d > sales based on the same product and approval. We are interested in the
{6 i$ x, _1 D" G, S9 o% c1 f- C> following specifications:
( ^8 S$ a% J: u" Y& ] >
. u8 L2 ~) b8 [> - 2 inputs at the Transmitter with three possibilities;
5 w/ M3 ^2 c4 B> 2 analog
8 m# w. l$ ]0 \9 Q; J) ~$ ` > 2 digital
+ j6 ?" v( z# z# C' F > 1 analog and 1 digital
: X0 S6 R& l/ ]1 h >
0 O8 `! C. j! G5 R( `> - 2 outputs at the Receiver with three possibilities to match inputs
1 B, b% F; ?- Q3 h# L4 h >
- R$ ^1 P- `2 L: \- ` > - Ability to configure/define analog Transmitter input ranges through
; ?7 c' p8 G3 d7 @* G" }> simple programming method to correspond with full-range analog Receiver
& X* g# G% e/ d0 ~ K> outputs (0 - full voltage).
0 J- I8 P& _" ^% D7 N>
; z% ~1 ~( G! _, I% Q: p> - Ability to configure and set sample rates for the inputs.
, v! ^& l8 ]+ B. C% w, I. _>
1 o' S3 I3 V/ C: w" ~> - Digital output on Transmitter that turns on during the sampling period.
8 i4 F& e& D( s, I$ j; P >
, J @( x) @3 O' W' G1 S2 H> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 h$ i$ x" \* J+ }& o0 T > both software control and input hardware control.
* l* V$ P, U. y* t! R( [2 g >
2 {. ^, B6 J, m: f J+ T; v > In order to configure the units, we would need a way to make the
; Y$ x! f" `) @% \; L! s> settings. This would preferably be from a computer terminal so that
4 T$ ~8 T. _5 `. A > configurations can be saved or easily duplicated for production volumes.
7 X+ m& Z, o; j* h8 ~ > The units should be small and compact with shielding, and able to mount
( a, H1 L9 P. m5 k, d> to a printed circuit board with header connector.
. `1 v% Z: v4 I, ~8 P8 g: u >
8 A: j: e @& h g- O > At this time, we are interested in samples of a pair of modems that
5 _$ y+ q, H! i> might be similar to this proposed system. We do not expect that you
?/ u; I( Y, q# W, ]8 k J: Q> provide all of these specifications at this time. I can describe our
( D+ F7 v) \1 s) q> immediate application needs in the next email if this project is of
5 l# v& W8 K9 T; u$ {: L > interest to you. Perhaps you can make the samples by those
. N8 y4 x5 H) D A > specifications. This will allow us to test your radios before we move
1 B* P$ @) G* i$ s: P- X6 J( O > forward. We are interested in your 900MHz radio to start.
8 Y; R, ~2 I* b8 N
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