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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

- n' _" F2 C5 q- l7 F ] 客户要求如下,如果哪家工厂可以做,请和我联系
6 ^- B# h! `3 ]# {5 o. G: F > The application that we have in mind is similar to others that we commonly
5 o% j/ C/ g/ m> have. If we were to pay for FCC approval, we would want to use the modem
, R" ~0 G+ E, ]> units in all similar applications under the same approval number.
5 S5 J" X) }6 F$ ] > Therefore, we would like to be able to configure the units to a specific
9 }8 V( P2 Q4 G2 ?$ @> application. For the business that we do, this approach will yield more
# q( ^. s, C3 K+ ]4 d l$ v4 B- q% l > sales based on the same product and approval. We are interested in the
( k: M, h0 D6 B# a$ c> following specifications:
4 \6 K" s/ F \2 P! Z( X >
! J+ E+ E! O% j7 j2 U& N9 g > - 2 inputs at the Transmitter with three possibilities;
1 b7 W, o! }6 y3 ^ > 2 analog
4 O0 @1 r( S2 v> 2 digital
) D+ {, Q y3 K. @1 A- O+ ^5 o% f > 1 analog and 1 digital
' K" w' C' H5 Z9 s, |>
$ @; |; m- b( A/ T/ g > - 2 outputs at the Receiver with three possibilities to match inputs
- }1 X( {* h$ m7 A, m' v6 [>
2 g6 {7 y. u8 }7 ?1 c4 a0 W> - Ability to configure/define analog Transmitter input ranges through
6 c9 Z3 _1 E. F! B- H > simple programming method to correspond with full-range analog Receiver
4 C# a0 S& H! `' j# o> outputs (0 - full voltage).
: y4 |- x. [0 e2 ^( p>
; Y# ?) L4 Y6 W/ S& n# O/ y > - Ability to configure and set sample rates for the inputs.
3 d0 j- \8 w6 ~, n3 W# p >
5 W: J4 }+ u2 c) y > - Digital output on Transmitter that turns on during the sampling period.
$ N9 i- ~7 W; D5 [' I>
2 c9 Z7 M1 z1 K7 _7 f- @> - Ability to configure a power saving Sleep Mode in the Transmitter by
& k/ T% S" s8 n7 @" b: X3 _7 J, D > both software control and input hardware control.
, h" {3 e: {0 x6 A* b" D >
}6 l- o& x! ~& E6 R4 u( K' n% f > In order to configure the units, we would need a way to make the
1 b/ n! F7 k% o4 o- I1 g, P > settings. This would preferably be from a computer terminal so that
# P3 _& r' @* ~, k0 i$ _* L7 r> configurations can be saved or easily duplicated for production volumes.
6 N1 L7 B7 p0 d) h3 A> The units should be small and compact with shielding, and able to mount
9 S: Y2 G( x( z' i> to a printed circuit board with header connector.
; F. E0 {/ R) ~( b$ h, X) h>
& `; ~8 o8 J! L/ d > At this time, we are interested in samples of a pair of modems that
* F; Y+ k; y5 H( I& y/ s K. X6 ?> might be similar to this proposed system. We do not expect that you
/ W* d/ H e' O! b+ j> provide all of these specifications at this time. I can describe our
" ]& K# g$ l: W# ` O* O > immediate application needs in the next email if this project is of
! w0 e2 ]* A+ f( D > interest to you. Perhaps you can make the samples by those
1 ~& A R# n! A2 a2 [+ z% g3 i > specifications. This will allow us to test your radios before we move
8 M# Q: S& v0 D _; @) _> forward. We are interested in your 900MHz radio to start.
3 f+ o- J0 w. C4 T
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