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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

! _7 M( ]1 B9 m* o; {, a 客户要求如下,如果哪家工厂可以做,请和我联系
0 x7 u6 r( O& A8 f- J > The application that we have in mind is similar to others that we commonly
) e B0 z9 u+ c6 |> have. If we were to pay for FCC approval, we would want to use the modem
2 N! i G( V5 D% X0 P6 J0 ^> units in all similar applications under the same approval number.
5 z" t6 y. |5 |8 R- b" S > Therefore, we would like to be able to configure the units to a specific
' T0 O( Y" {; A$ ^> application. For the business that we do, this approach will yield more
8 U. b% |6 q! \ o+ A9 A. x' ]$ t- | > sales based on the same product and approval. We are interested in the
! q/ j) y9 I& W/ B, R. Y > following specifications:
# j# ^+ F3 Y1 s# y5 J: [7 h! h>
/ A4 k' K, Q0 k! i, I/ q> - 2 inputs at the Transmitter with three possibilities;
7 ?9 a* ~4 }: q: |; `$ u> 2 analog
$ m0 o8 `9 b& N% w+ ` > 2 digital
/ Q+ b# h; C$ X$ d K> 1 analog and 1 digital
/ ^ ^4 [& c, l% B: m: T8 O7 Y6 E3 }>
& x- ?! l" Q4 M8 Y. D > - 2 outputs at the Receiver with three possibilities to match inputs
, j' e, l" m/ h* m5 u- @. Z8 ^/ \>
' U! C/ r/ t, d* y( V# w> - Ability to configure/define analog Transmitter input ranges through
6 Q$ C% i* }2 x5 w: H, J > simple programming method to correspond with full-range analog Receiver
* I# q5 y) a% x! W- a0 a8 M> outputs (0 - full voltage).
y3 G( S) d U# o4 P>
- w+ ^$ W- p& y! P M> - Ability to configure and set sample rates for the inputs.
/ E+ e" D$ ]* M- L9 L: P+ M>
1 _. e- Y5 ]! S; z' }> - Digital output on Transmitter that turns on during the sampling period.
# |5 }$ Y8 C( Q% `7 D4 Q2 c) o( g3 l>
; Y6 i- q# L" N3 n: n0 z7 r5 p > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 @/ L7 r% ]! p> both software control and input hardware control.
5 i6 |( P: Q9 \4 a3 n X1 Y' K>
- p3 I. T2 |2 G& T$ q > In order to configure the units, we would need a way to make the
) I2 K3 `; M# p) K7 [1 Y/ V c/ A1 \ > settings. This would preferably be from a computer terminal so that
$ d9 R0 s5 c, O5 F > configurations can be saved or easily duplicated for production volumes.
' m/ [# c0 `: ^2 M > The units should be small and compact with shielding, and able to mount
% w8 m4 M& a" \5 E4 s4 L- F> to a printed circuit board with header connector.
7 ?+ U3 {) g+ K' H8 J$ c, G>
; P( a) l2 [1 S$ N* u+ T9 L> At this time, we are interested in samples of a pair of modems that
6 b; c' j, L& j Y0 d8 ~ > might be similar to this proposed system. We do not expect that you
1 F" d7 R& M4 J) ]" N, Z > provide all of these specifications at this time. I can describe our
. [2 D1 _5 V1 g* k/ v5 C& r> immediate application needs in the next email if this project is of
- F8 U1 R: B0 ^0 c% |5 u* r > interest to you. Perhaps you can make the samples by those
% M, e0 o1 [1 v% x6 Y! R2 M1 H$ Z, P > specifications. This will allow us to test your radios before we move
1 ]3 _% J& y) F# J( P& o* g8 K. g > forward. We are interested in your 900MHz radio to start.
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