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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

0 s r+ c+ b0 j$ A 客户要求如下,如果哪家工厂可以做,请和我联系
9 g3 J- r/ A7 ~ B( R> The application that we have in mind is similar to others that we commonly
3 { H+ i3 z, J% F7 M> have. If we were to pay for FCC approval, we would want to use the modem
, l" w; L( W! K- E: S> units in all similar applications under the same approval number.
2 [8 T7 `# }+ t7 {6 S6 ?- X5 r. ^# K: ? > Therefore, we would like to be able to configure the units to a specific
. ~1 i0 Q+ y# K2 s% }' L% I > application. For the business that we do, this approach will yield more
& j/ {0 \, p; z! p: d9 n8 g> sales based on the same product and approval. We are interested in the
' i. W, z; q) m0 Z > following specifications:
, t! y+ B U. ]. N9 b1 w7 \8 D7 q>
/ Z8 q( I& k5 P, K" W5 m" |> - 2 inputs at the Transmitter with three possibilities;
]( k# A0 L8 j% n5 N: F> 2 analog
2 Y8 T) Y3 m, ?4 i> 2 digital
0 {& r( z! X# V; ], p > 1 analog and 1 digital
* b2 b! B2 ]% A$ ^>
6 D# C/ K G, ~( I; B g' Q> - 2 outputs at the Receiver with three possibilities to match inputs
6 G5 h; y8 E. N+ u) u>
! S3 A! L+ D2 y. f# \. |7 {0 y9 }> - Ability to configure/define analog Transmitter input ranges through
; w0 T! ^" `- F > simple programming method to correspond with full-range analog Receiver
$ I/ V# I+ g( G5 c > outputs (0 - full voltage).
& C4 V+ k5 r W/ s0 W, r! I b$ h, r0 R$ e >
! d R A0 d- y% p- I" D. h > - Ability to configure and set sample rates for the inputs.
- \' R5 M, ^. I1 B: s, K/ h >
& b7 i. a9 n5 ] b( | > - Digital output on Transmitter that turns on during the sampling period.
' `( Y: w$ s) D" e( d5 s >
: y5 q. `4 j( g" m2 n( t. X8 ^8 Q> - Ability to configure a power saving Sleep Mode in the Transmitter by
. a* j! v) a# E5 }' r+ B6 z> both software control and input hardware control.
- a* d1 n% |* Q9 ~; u# e* M& E, k >
5 [" b6 ^, r* n* I9 k0 f > In order to configure the units, we would need a way to make the
- ]$ E, K1 U3 n% E3 p7 |- c& T2 y > settings. This would preferably be from a computer terminal so that
& A/ X7 v0 L7 o1 k> configurations can be saved or easily duplicated for production volumes.
/ E: t2 c& \1 i: z, @> The units should be small and compact with shielding, and able to mount
6 ?" ~; Q+ T, T/ b > to a printed circuit board with header connector.
+ F& ]- \1 P' ]3 h) q>
6 Q j9 f+ ?7 k% n' Q- b> At this time, we are interested in samples of a pair of modems that
3 C7 {+ g/ g" w# O: Z) Q0 I > might be similar to this proposed system. We do not expect that you
! F0 m' Y5 V/ e> provide all of these specifications at this time. I can describe our
' P4 n" q. T J6 Q0 ^> immediate application needs in the next email if this project is of
! x, x9 V$ U# S7 _6 m* |! `+ H> interest to you. Perhaps you can make the samples by those
5 @* j: Q9 p% l7 Y7 Z* E* Z/ ]> specifications. This will allow us to test your radios before we move
# R6 A( Q- J; R9 t> forward. We are interested in your 900MHz radio to start.
5 ~/ D' n% T& o, a4 N
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