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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

3 T; y0 U; t4 Z% F0 r 客户要求如下,如果哪家工厂可以做,请和我联系
+ X! ^5 j; i: }> The application that we have in mind is similar to others that we commonly
1 _1 m+ v: i! J; ~" @- d. U > have. If we were to pay for FCC approval, we would want to use the modem
0 _# }1 B7 k( d( B. H9 Q > units in all similar applications under the same approval number.
& Q0 u- e* [5 x+ ?0 V+ P. _0 L* Z> Therefore, we would like to be able to configure the units to a specific
+ c% ^; }9 ]3 q* W( K> application. For the business that we do, this approach will yield more
/ W l$ H, K# S/ [; B9 D > sales based on the same product and approval. We are interested in the
& L% j2 W: ~ T' b$ z > following specifications:
) w5 w0 V9 r: C F+ A>
. k' Z4 Z6 h4 }9 O> - 2 inputs at the Transmitter with three possibilities;
, z: E8 D5 [2 C* y. E [+ [3 f> 2 analog
; y# q# X" G( J# ]0 w* ?> 2 digital
: ~ l% c4 U# _' o; p! ?. Q> 1 analog and 1 digital
/ L9 H- L& g4 |3 K: }: v' n >
, q; D- q8 j/ [1 n5 [! _1 m> - 2 outputs at the Receiver with three possibilities to match inputs
2 @4 W# X8 B; [ h" z: W I >
: M& M8 W: V0 M `/ D7 q+ P) { > - Ability to configure/define analog Transmitter input ranges through
: f2 v) E3 u% I: v0 @ > simple programming method to correspond with full-range analog Receiver
5 L3 k) r! ]& g > outputs (0 - full voltage).
0 U& u* |) R! A3 ]) y: l>
: z& S! B- @' X> - Ability to configure and set sample rates for the inputs.
7 ^& s. \ V$ y >
6 b+ a+ N( M1 c% `6 K( q% \ > - Digital output on Transmitter that turns on during the sampling period.
6 u- y$ ~: z- F' w$ A>
! V" X- ^0 W6 @; P! |> - Ability to configure a power saving Sleep Mode in the Transmitter by
- h3 e; D' I6 v) @9 b> both software control and input hardware control.
' q5 O4 k V# v2 t7 R3 s >
; |. @5 c7 K% G; D > In order to configure the units, we would need a way to make the
+ \* T: k3 `# s( U) v! B; N: b( B > settings. This would preferably be from a computer terminal so that
) Z( q w: [: p> configurations can be saved or easily duplicated for production volumes.
- K9 A: l/ \) ] > The units should be small and compact with shielding, and able to mount
0 j7 e) I/ U* C+ q( i> to a printed circuit board with header connector.
- a4 l) o. L" n# `6 ? n9 L. ]>
( N0 {9 `2 f3 K > At this time, we are interested in samples of a pair of modems that
( K3 c- ]% o! Z+ u" p4 E/ t) o > might be similar to this proposed system. We do not expect that you
! F5 E/ l+ A" Y7 y7 ?) C> provide all of these specifications at this time. I can describe our
. L: h% \0 V7 b( B, P> immediate application needs in the next email if this project is of
$ g) v) {3 l- P2 z8 r> interest to you. Perhaps you can make the samples by those
& G+ i3 e! e3 h+ o$ |( M> specifications. This will allow us to test your radios before we move
( r- ^& C5 s9 L. }* C8 b% Y; O4 [ > forward. We are interested in your 900MHz radio to start.
( l7 M( o k$ p$ H7 o" {5 K
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