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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

, X1 T1 K" w' c! Q2 P客户要求如下,如果哪家工厂可以做,请和我联系
% A. A5 i* Q. L' r > The application that we have in mind is similar to others that we commonly
2 R' F5 b) s+ I- E; W, i' B4 B> have. If we were to pay for FCC approval, we would want to use the modem
( R; _ g: Y( L% v" l- K: P> units in all similar applications under the same approval number.
, [7 | C7 w# |0 J/ {& l> Therefore, we would like to be able to configure the units to a specific
( W. k5 ~# u4 s! I' G" Q+ }- h7 m> application. For the business that we do, this approach will yield more
2 G4 P5 l4 b7 Y5 P/ N2 ` > sales based on the same product and approval. We are interested in the
j7 n9 R) f3 W8 V6 O& j# L> following specifications:
7 G' W& L6 F. }0 i >
[5 [. P' o$ s7 Q4 }; |$ E* P > - 2 inputs at the Transmitter with three possibilities;
/ ~2 B) X, v2 i+ \4 ~; c > 2 analog
0 a9 V. f8 M6 l0 |& ]> 2 digital
& m: w. d( J3 t' R$ v > 1 analog and 1 digital
& {7 c. j' o+ S! |, U >
6 ^# l: j9 e7 j) d! h& e> - 2 outputs at the Receiver with three possibilities to match inputs
8 y+ n# n/ `! I" w( x>
! ~ t& v0 o+ b> - Ability to configure/define analog Transmitter input ranges through
1 i4 F; Y4 n& p5 `7 z; @" {/ N > simple programming method to correspond with full-range analog Receiver
4 c9 k- U5 D. r5 M7 \: W/ A > outputs (0 - full voltage).
# c2 G! i" `' C/ Q: l/ D( X+ \" m >
' D. ^4 Z+ d( j) |- Y- R > - Ability to configure and set sample rates for the inputs.
6 C/ [ s( e* ~! n" I$ \ >
$ o# _% j' S" ]6 s> - Digital output on Transmitter that turns on during the sampling period.
7 m+ b; T8 Y6 S >
9 C: M& x7 Q% e4 J3 ^> - Ability to configure a power saving Sleep Mode in the Transmitter by
; k" ^, y% R' p4 T/ g > both software control and input hardware control.
8 t; |) \+ e. c2 P- @4 o6 N>
( ?9 M4 h; ?% u$ e > In order to configure the units, we would need a way to make the
( P* z7 u5 _+ ?0 U' l* O > settings. This would preferably be from a computer terminal so that
! @4 E3 y, W* W! U; o > configurations can be saved or easily duplicated for production volumes.
1 G, @: L$ M1 ?) K5 u) | > The units should be small and compact with shielding, and able to mount
2 B6 X/ N e3 U7 K$ @ t8 X > to a printed circuit board with header connector.
# {, B* V1 L8 n: Q4 k1 z6 I8 s >
% y: b) t7 F4 T9 W. _> At this time, we are interested in samples of a pair of modems that
% C# W- C9 @# B X8 k% O2 S, P > might be similar to this proposed system. We do not expect that you
6 r2 S4 F5 A3 e5 }: H9 H& f {- x> provide all of these specifications at this time. I can describe our
, E( ^- `" i; R7 s4 [2 S+ B+ n > immediate application needs in the next email if this project is of
; ?8 c& X) q7 J9 L% o0 s* e > interest to you. Perhaps you can make the samples by those
4 @. m& W1 e! [* G4 v2 k1 g> specifications. This will allow us to test your radios before we move
8 Z' A6 H# @! m > forward. We are interested in your 900MHz radio to start.
: ~6 L/ T0 @1 ?
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