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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 r9 U- D$ t, K' c, |& H" ^客户要求如下,如果哪家工厂可以做,请和我联系
( V* Z1 G3 B1 e4 e% i4 V> The application that we have in mind is similar to others that we commonly
7 {5 e" L! q8 B/ p! m> have. If we were to pay for FCC approval, we would want to use the modem
# E) d. q/ V x8 v: {9 a4 @ > units in all similar applications under the same approval number.
, i2 g4 H& ?4 p0 _ > Therefore, we would like to be able to configure the units to a specific
; ^' Z \$ n, J4 R' ?> application. For the business that we do, this approach will yield more
, h+ u/ A2 t2 _2 B5 Z( D> sales based on the same product and approval. We are interested in the
; U1 B7 s3 h- C5 _( u2 ~/ |> following specifications:
K7 s+ }% A5 ~6 @ >
; A8 `! F% q, y> - 2 inputs at the Transmitter with three possibilities;
" G' ~7 E7 z$ [' B> 2 analog
8 N5 D7 T$ F. L1 B# i" [2 B > 2 digital
2 V4 \! R: P4 i4 `) V > 1 analog and 1 digital
2 b! e0 d4 d5 d4 S: j' L >
' }+ Q. k7 ]0 @- j( W1 F9 K' u3 D> - 2 outputs at the Receiver with three possibilities to match inputs
" M. i5 k5 p8 Y9 z/ X4 v- I>
2 X6 r) E2 b, @8 i" l2 M. k" Y > - Ability to configure/define analog Transmitter input ranges through
" S8 J1 M* E* b( l> simple programming method to correspond with full-range analog Receiver
. f* R, x) ]! E1 h8 a9 ~( [> outputs (0 - full voltage).
5 a" x1 d: X% F/ t3 I) i >
* B l X* [& D3 v; y1 Q9 S0 I > - Ability to configure and set sample rates for the inputs.
* Z' r& l( P% S& K+ f9 Z; a>
0 I4 s7 a; r2 Q> - Digital output on Transmitter that turns on during the sampling period.
/ o3 I# C4 ~0 l4 W7 N >
: s3 Z2 [* A, X: q7 {> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 ~6 d) ~3 {; t. E1 ?" ~! | > both software control and input hardware control.
/ G- i6 e \: Q4 e>
; @" l* g7 H. ? > In order to configure the units, we would need a way to make the
. q' @7 u9 @9 }3 f$ K > settings. This would preferably be from a computer terminal so that
g+ H6 }7 m( i > configurations can be saved or easily duplicated for production volumes.
" g' [ t8 U P# i$ f* x3 j% w> The units should be small and compact with shielding, and able to mount
6 D8 P) c9 z$ T( Z8 G A> to a printed circuit board with header connector.
8 |2 E% m: e" J0 U% j( f; j>
+ M0 @. G. I# m0 E> At this time, we are interested in samples of a pair of modems that
0 R" X7 B0 m- A, V c3 b> might be similar to this proposed system. We do not expect that you
* F; N7 j7 d$ Z: x7 p> provide all of these specifications at this time. I can describe our
8 n9 j5 D8 d. P/ I x t8 H6 s1 P> immediate application needs in the next email if this project is of
/ x* ^3 D3 p% K' ` Q > interest to you. Perhaps you can make the samples by those
& {/ s& `- d# q `! X7 h > specifications. This will allow us to test your radios before we move
5 _2 H, Q0 B0 f. y; \( S" u > forward. We are interested in your 900MHz radio to start.
2 ]8 k" A* O) n5 g2 W
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