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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

; h0 c4 a) Y) I0 u" w' e4 O 客户要求如下,如果哪家工厂可以做,请和我联系
! K& ~1 P3 J1 S; g3 v > The application that we have in mind is similar to others that we commonly
J( }1 M4 w! D/ _/ S0 ~> have. If we were to pay for FCC approval, we would want to use the modem
9 K9 J+ F; q6 z6 |! ~ > units in all similar applications under the same approval number.
6 Y) a( |: K5 I8 U/ `1 k > Therefore, we would like to be able to configure the units to a specific
+ @$ f$ w( x8 n: V- r> application. For the business that we do, this approach will yield more
" ]! s5 Z. ~* ? C( V# { > sales based on the same product and approval. We are interested in the
|5 ]6 D4 h2 n1 _( M; u> following specifications:
], e1 N( C6 Z>
6 h, U# b& }' d& K2 G. z > - 2 inputs at the Transmitter with three possibilities;
" q. d- p# {- g- m( X: z> 2 analog
( I- T2 s* ~ t- a > 2 digital
8 s- q7 b4 _ z3 d# _8 M> 1 analog and 1 digital
^; t( L6 p/ [ R/ Q* C& X >
' V# w4 `# M8 R. u% J1 R > - 2 outputs at the Receiver with three possibilities to match inputs
& L! ?7 [+ a# x' \) w >
7 K2 q3 {$ U I5 L+ F o L$ Y- W6 A > - Ability to configure/define analog Transmitter input ranges through
* [. p! r" z3 R/ {4 n > simple programming method to correspond with full-range analog Receiver
" L. k- y5 Q4 J4 T' M- U4 o" G' ^ > outputs (0 - full voltage).
9 O) y! S4 x& z' @>
+ N7 m8 J$ S G4 h> - Ability to configure and set sample rates for the inputs.
) y) g/ v8 d- X' m% |3 k >
7 c% V, v; ^* T > - Digital output on Transmitter that turns on during the sampling period.
, N# r P- s+ x2 c, G9 j >
# i; C6 H; P8 R2 g" {, ` > - Ability to configure a power saving Sleep Mode in the Transmitter by
# p8 b: l+ @+ S > both software control and input hardware control.
, a) j" C4 a& ?2 J0 [>
7 v! w$ t- C" A) J > In order to configure the units, we would need a way to make the
1 z" O4 \+ _ x' { > settings. This would preferably be from a computer terminal so that
! H8 G# M4 z% q M+ @2 x2 K> configurations can be saved or easily duplicated for production volumes.
0 [! W3 Y) p4 L; M1 s" a" [> The units should be small and compact with shielding, and able to mount
3 E8 ?. M1 S8 j0 X M& k5 ? > to a printed circuit board with header connector.
2 I Z- s8 d8 {- r* d9 b>
' I7 z K$ u- k > At this time, we are interested in samples of a pair of modems that
& _ G( L. P+ T3 s> might be similar to this proposed system. We do not expect that you
4 N) \* B1 ]2 ?& E5 [5 p# _> provide all of these specifications at this time. I can describe our
; k) g- V6 L$ t* o > immediate application needs in the next email if this project is of
% u3 V0 N! i5 w/ _> interest to you. Perhaps you can make the samples by those
# k1 o& o: g5 L! J! w5 ]8 J> specifications. This will allow us to test your radios before we move
& m7 \, D5 u. q7 S6 q> forward. We are interested in your 900MHz radio to start.
! ]2 W2 W3 [" S8 A& z8 X' Y) P
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