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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

2 j$ A; X7 m* e% d 客户要求如下,如果哪家工厂可以做,请和我联系
2 r' L! ?; r# l/ O& p( i > The application that we have in mind is similar to others that we commonly
7 L) @, P" L( z2 E > have. If we were to pay for FCC approval, we would want to use the modem
1 K1 X& {; n1 | @. G> units in all similar applications under the same approval number.
2 `- M `( [$ Y/ C. a > Therefore, we would like to be able to configure the units to a specific
8 p' ]& V% y( }( S& ]+ K/ O5 v- H> application. For the business that we do, this approach will yield more
7 \! |2 F, S4 q7 q7 Y3 c; V6 ^> sales based on the same product and approval. We are interested in the
7 p# Y7 u8 Z+ ?$ Q) x% c > following specifications:
! X0 k6 e9 c$ \! p! E6 ~ >
6 w' H, q, |; Y9 c, U- C, Z" [ > - 2 inputs at the Transmitter with three possibilities;
( z% S0 r; d6 b/ ^> 2 analog
7 v* C' A- i {& e" R2 v+ P > 2 digital
7 F7 V' e) _3 N* m) S6 m L > 1 analog and 1 digital
# S/ o% ?9 [1 i0 }. I. F# E>
) \$ N+ f: Y5 a1 Q/ R' I$ @( q > - 2 outputs at the Receiver with three possibilities to match inputs
+ ^0 X: D! \' ?/ x. W8 s >
, N8 z, K0 Q: Z3 m. U. \> - Ability to configure/define analog Transmitter input ranges through
3 x5 S8 v* K5 O4 w8 S6 Q' g > simple programming method to correspond with full-range analog Receiver
) X) I8 T! t/ v* d3 V, o > outputs (0 - full voltage).
7 _" e) a. N! b4 A7 H>
; _; ] @, `' `+ B1 Z> - Ability to configure and set sample rates for the inputs.
' W, T, S6 V1 Z, Q>
@8 |% b) ]: f `> - Digital output on Transmitter that turns on during the sampling period.
0 q+ B' \4 V6 O! y6 {2 V >
_3 p& z" V# [+ M> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 v- c$ M! b: j6 w> both software control and input hardware control.
5 h; J( g7 M7 `/ u& V t>
3 E3 [( ]8 G- Y> In order to configure the units, we would need a way to make the
$ x7 P8 c' a2 _ > settings. This would preferably be from a computer terminal so that
/ g# b: ~ F% t5 q8 F, L > configurations can be saved or easily duplicated for production volumes.
; K- \! x$ q, ]( @1 g- Q ]7 v: H- R> The units should be small and compact with shielding, and able to mount
) i; m" H8 u0 R, \2 J0 }4 B* }> to a printed circuit board with header connector.
; b, I2 }6 c5 ?3 F; b5 M>
m7 c$ O) i; h$ e% d > At this time, we are interested in samples of a pair of modems that
; V" {1 u; u. {9 l > might be similar to this proposed system. We do not expect that you
3 d8 m4 W/ ~, Y7 H9 C > provide all of these specifications at this time. I can describe our
$ B3 t. r4 n) R3 Z/ L! C' ^ > immediate application needs in the next email if this project is of
! D. v3 t6 E5 g P- o9 e. Q( x> interest to you. Perhaps you can make the samples by those
0 q+ n5 P& I$ r+ m4 a, y > specifications. This will allow us to test your radios before we move
8 S0 g$ j, B! c0 m7 \( p/ X- k% u > forward. We are interested in your 900MHz radio to start.
& Q# H& d' p U; ?) W( T3 y
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