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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* m1 Z9 ]1 m- R客户要求如下,如果哪家工厂可以做,请和我联系
- B, f0 y: h* ?% R1 W" | j > The application that we have in mind is similar to others that we commonly
+ z& ]' X7 E- }( k l > have. If we were to pay for FCC approval, we would want to use the modem
) o3 Z" Z ]% N% t' s+ O; V1 U> units in all similar applications under the same approval number.
7 H, \5 q& {5 s5 s( h% P- D) l/ W> Therefore, we would like to be able to configure the units to a specific
% S z3 {/ M, J: K* k% e" ^ > application. For the business that we do, this approach will yield more
. t/ m J- o; n" j. p( S- d8 Y3 L. n& R> sales based on the same product and approval. We are interested in the
2 p- X; _& r- F2 f* f! L > following specifications:
" v3 T5 y+ @, ]; t( ^* r8 p: U >
! V# \( G% x; X6 b > - 2 inputs at the Transmitter with three possibilities;
" K' W3 h1 x; I2 e, Z6 N- x0 Z > 2 analog
- B2 v0 o# v+ F; b> 2 digital
6 I8 Z+ V+ a8 a- ~ x; K > 1 analog and 1 digital
! D' J; @# o. y4 R8 z>
1 }7 \7 V. o( h6 i1 | > - 2 outputs at the Receiver with three possibilities to match inputs
! s/ m! W O! z( l" |. a6 H4 w>
5 c1 s4 }) C9 `; y6 P > - Ability to configure/define analog Transmitter input ranges through
* e0 t2 j' U+ k > simple programming method to correspond with full-range analog Receiver
7 F5 r3 I6 N4 ^1 y+ Q > outputs (0 - full voltage).
. b Y4 U8 I$ n' _) b5 T' \$ s- V>
5 |5 N8 t7 i1 ^ > - Ability to configure and set sample rates for the inputs.
0 ~' @4 g$ t% R9 L7 ~- }' d>
' d2 ?1 o1 t, x5 E > - Digital output on Transmitter that turns on during the sampling period.
: Y, o& y7 g; I1 @5 z$ x >
( A1 l5 }5 [( Z% P+ D> - Ability to configure a power saving Sleep Mode in the Transmitter by
' e0 P) s& z: k4 A> both software control and input hardware control.
/ |. N, ?8 q0 S& ]3 B >
/ l3 F2 w4 U1 Q: P. H > In order to configure the units, we would need a way to make the
: m/ D2 }9 ~: q" ~6 f2 d+ ~> settings. This would preferably be from a computer terminal so that
! j& z" m- n. `2 l> configurations can be saved or easily duplicated for production volumes.
l( l) D; G! u$ w > The units should be small and compact with shielding, and able to mount
) c4 _6 q2 e8 _2 O5 V7 r> to a printed circuit board with header connector.
& s7 N: l' D7 D3 o& T- a >
0 }/ B: w- B0 B > At this time, we are interested in samples of a pair of modems that
8 a |( ?# n) A6 ^' t! y5 `, K+ ^> might be similar to this proposed system. We do not expect that you
) P: ]8 n6 _7 G; M/ g$ E7 V > provide all of these specifications at this time. I can describe our
: e7 q( ?7 F- [3 b( y) y* g5 p5 `> immediate application needs in the next email if this project is of
2 {3 K& j/ b) Z2 ` T& p6 g > interest to you. Perhaps you can make the samples by those
; a& m6 `' R+ f9 V > specifications. This will allow us to test your radios before we move
( A0 L; r$ v2 A( P' {( T% y > forward. We are interested in your 900MHz radio to start.
+ Z( u V1 i8 r
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