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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

; e- o9 v7 w6 y$ F1 C: C1 q 客户要求如下,如果哪家工厂可以做,请和我联系
( t/ s: T( ~; B q1 A& ]- c, d% C) z> The application that we have in mind is similar to others that we commonly
% o! e0 y# s) |$ S6 C> have. If we were to pay for FCC approval, we would want to use the modem
# w% V% v" c" c# i6 {# @, ] > units in all similar applications under the same approval number.
' j* m2 ?, J7 f* r; v5 F" e4 M V > Therefore, we would like to be able to configure the units to a specific
! K+ u. ~! e3 [ > application. For the business that we do, this approach will yield more
7 A# T; K, Q5 h& B > sales based on the same product and approval. We are interested in the
( M7 X/ {) \: p: w. s- d> following specifications:
3 U$ h& X( k- r0 X+ a a >
M% G6 h C$ Z> - 2 inputs at the Transmitter with three possibilities;
# x/ ]: B h4 s9 r1 i> 2 analog
( V& S8 y! n' k> 2 digital
* g9 L; ]5 k9 x/ ?> 1 analog and 1 digital
( h4 r1 {# ?/ r* {& k& k& ?>
7 t$ k, ^9 C: k0 V! X2 M3 d3 @> - 2 outputs at the Receiver with three possibilities to match inputs
4 H9 ~) U2 [8 V- ^3 X1 k* }! y>
+ O* c6 C! C1 o> - Ability to configure/define analog Transmitter input ranges through
, p( ]$ {0 {9 P$ [ H0 Z% \/ Q* {. v > simple programming method to correspond with full-range analog Receiver
k. Q, u+ u! X$ |; A& o; M5 t8 x > outputs (0 - full voltage).
) ~, x3 k6 Y# ~. @ {>
7 u9 p& X' k9 [. J4 N> - Ability to configure and set sample rates for the inputs.
' W6 T0 q; u) R: H$ V4 S% l* a>
5 G$ z: g: k6 {4 D5 ?- ?- J> - Digital output on Transmitter that turns on during the sampling period.
- p+ w$ ]9 J: r. [2 ^( t>
+ V* m; P; r) K) R3 c/ `> - Ability to configure a power saving Sleep Mode in the Transmitter by
! O7 u" s; y: a- g/ `' v1 } > both software control and input hardware control.
7 ~3 i: E7 ^' y& s8 z5 Q3 |9 f >
. P6 W. R. t. {; m/ B* V > In order to configure the units, we would need a way to make the
+ u# i( y- F6 S, t) t0 J4 U> settings. This would preferably be from a computer terminal so that
1 r$ a7 A U; j! k/ s' b ? > configurations can be saved or easily duplicated for production volumes.
7 E; z2 p- G; A: f' N! A > The units should be small and compact with shielding, and able to mount
* ?) y2 `3 E/ b, [> to a printed circuit board with header connector.
@ u: A* m8 y$ ~>
& Y6 x! Z7 z6 R+ V# ^6 ~> At this time, we are interested in samples of a pair of modems that
& _7 e6 j5 N( p6 k > might be similar to this proposed system. We do not expect that you
* k; h: D+ z$ H' d; d3 j# J > provide all of these specifications at this time. I can describe our
3 e; M P! O/ j4 G" e) B1 |/ e > immediate application needs in the next email if this project is of
4 x* u' I6 o$ V' j' P > interest to you. Perhaps you can make the samples by those
4 |4 b" [0 r! J. q2 H" i" F> specifications. This will allow us to test your radios before we move
* E/ U6 C- V5 s/ W > forward. We are interested in your 900MHz radio to start.
0 D, x2 n5 y4 x5 K, [+ X! g' P
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