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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 D8 ^" w8 g# y: ^ 客户要求如下,如果哪家工厂可以做,请和我联系
# U0 K6 W- f" f4 Q > The application that we have in mind is similar to others that we commonly
0 C/ C& |8 [6 s* \( P8 ?3 u7 j$ p9 F> have. If we were to pay for FCC approval, we would want to use the modem
) o+ k J+ M5 `& F" `; h > units in all similar applications under the same approval number.
5 J3 n( z* N/ T& [6 {> Therefore, we would like to be able to configure the units to a specific
: A3 |. N/ ?; M> application. For the business that we do, this approach will yield more
3 g2 M, n, J9 L5 v9 g: g. c3 M> sales based on the same product and approval. We are interested in the
& p8 ^6 U' @3 R& I' M4 g/ Q> following specifications:
% M+ u# N9 X$ ]8 v! R% W/ a >
/ Y D3 S. M) f/ ~" r3 p7 Q+ Z> - 2 inputs at the Transmitter with three possibilities;
' B, Q& [# J0 P5 U2 J: O- {8 n> 2 analog
- o+ ~8 h) A8 C! @" M. \ a> 2 digital
w6 f6 a9 e: @4 A# N5 e> 1 analog and 1 digital
' f6 O+ s/ _& G# M& ~; L/ d>
& i1 J' S: s) l' j > - 2 outputs at the Receiver with three possibilities to match inputs
: v, I/ J$ Q1 \6 x c >
4 m, w( ]% I. H; Q > - Ability to configure/define analog Transmitter input ranges through
" T# l, N1 Q9 e > simple programming method to correspond with full-range analog Receiver
# z7 o; C$ F# M9 I5 b > outputs (0 - full voltage).
2 b2 O8 w# z7 l) A/ w7 R* f >
% d; i a- y; Y- W6 \. {> - Ability to configure and set sample rates for the inputs.
" I" W4 i# X5 z9 ~5 V! F>
: n5 _+ K% K$ n2 e$ Y2 e* H> - Digital output on Transmitter that turns on during the sampling period.
x- V1 Y9 K( A5 s& w% }( B6 f) w& ?>
+ u9 Z. n7 Y: u) g. d! r> - Ability to configure a power saving Sleep Mode in the Transmitter by
; ~# l, s) f+ P. v8 ~ > both software control and input hardware control.
- {2 B9 i( j2 I% S- ^( l0 j>
' {. E5 f: E' f0 ]. m* W> In order to configure the units, we would need a way to make the
4 B7 O" b& c7 {+ e! ` > settings. This would preferably be from a computer terminal so that
5 m+ a4 L& [; h5 l > configurations can be saved or easily duplicated for production volumes.
$ ^5 u" [- V1 b! o > The units should be small and compact with shielding, and able to mount
+ l$ p9 ?& c7 X7 B5 q! p> to a printed circuit board with header connector.
3 \2 S! ]+ h9 z& g/ Q% `>
+ n# x* D) J% o* r) M) \/ W> At this time, we are interested in samples of a pair of modems that
# _3 y Z+ r7 n/ m- Q" v9 f) f > might be similar to this proposed system. We do not expect that you
. g1 r- K+ V' g, P> provide all of these specifications at this time. I can describe our
: I* H1 T/ t) n- x! k4 i > immediate application needs in the next email if this project is of
3 v" o, A; |% K% z! b4 X" c9 l9 f> interest to you. Perhaps you can make the samples by those
( c# r# f/ z" @# D( T5 _> specifications. This will allow us to test your radios before we move
2 y0 d' l H/ F4 s> forward. We are interested in your 900MHz radio to start.
2 L) }! A; A6 h4 j0 D% \
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