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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

4 V9 O2 N5 J# d0 n- Z* ] 客户要求如下,如果哪家工厂可以做,请和我联系
- O0 ]. P: s" k( r5 K> The application that we have in mind is similar to others that we commonly
O5 t* \- D9 q; ?4 y> have. If we were to pay for FCC approval, we would want to use the modem
* Q+ o% E! X, }, e7 Y8 C3 T1 d > units in all similar applications under the same approval number.
/ O) x7 m5 t( V0 S3 M > Therefore, we would like to be able to configure the units to a specific
+ `( f) c3 _$ |! M3 z0 h# s> application. For the business that we do, this approach will yield more
; m* A% k* t M+ O/ g> sales based on the same product and approval. We are interested in the
: D& b! y: F% {( Z& z7 u' |$ Z> following specifications:
3 [7 W3 r# r, H- G>
, F! B" b4 I# t( d0 W > - 2 inputs at the Transmitter with three possibilities;
! E ?& F$ A/ k2 Q3 M) [> 2 analog
8 s% n! H4 e) F9 |* _" m+ e5 q > 2 digital
/ i7 E2 L2 ?+ q! c" {( F> 1 analog and 1 digital
. ~: ^; o7 a$ k( O) x9 }8 d& U8 T% s >
# d' A9 I; M* T5 |- { V> - 2 outputs at the Receiver with three possibilities to match inputs
7 \; t/ E6 _5 n4 F/ Y>
- c1 e) s9 N8 T6 F > - Ability to configure/define analog Transmitter input ranges through
/ A' @/ E9 y: v > simple programming method to correspond with full-range analog Receiver
5 l8 ]- C4 H( O) a> outputs (0 - full voltage).
5 w$ x4 D* o- W+ m/ t! p>
6 X0 h( W6 P/ a> - Ability to configure and set sample rates for the inputs.
) z* f, {9 L- L( V' A, U7 v >
+ }9 N, P9 E/ |; R4 R3 p- | > - Digital output on Transmitter that turns on during the sampling period.
, y1 N' d2 h' B( v3 ^4 N >
( i) _* H" W7 Z# _9 K > - Ability to configure a power saving Sleep Mode in the Transmitter by
' R5 {8 {8 ~; C( B2 y> both software control and input hardware control.
. C" b+ r- W$ y0 k>
, O: N9 j; d3 f' g- H4 e% Y8 F> In order to configure the units, we would need a way to make the
i$ h( Q* p. `& @/ I( c% v > settings. This would preferably be from a computer terminal so that
1 C: m* D& D( d& K3 w > configurations can be saved or easily duplicated for production volumes.
7 L; D5 w, l9 h > The units should be small and compact with shielding, and able to mount
0 {7 @0 A/ M1 _) ^ x+ h> to a printed circuit board with header connector.
; {# H( f% G: F6 a' B: C" b. ?>
; R3 o, _. p) z: c- t. {, S> At this time, we are interested in samples of a pair of modems that
& e( l! p% g* | [! f> might be similar to this proposed system. We do not expect that you
, U0 r# k- o5 p > provide all of these specifications at this time. I can describe our
2 [) g% N$ N: \ H3 N" f* T > immediate application needs in the next email if this project is of
% {! r7 b0 @5 D > interest to you. Perhaps you can make the samples by those
" |2 @. Y9 G! F6 c > specifications. This will allow us to test your radios before we move
5 _$ J4 O, q$ F! R; n> forward. We are interested in your 900MHz radio to start.
8 }- Y* a4 K6 L) W3 Q4 \: L3 B
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