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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

" _( g* L+ R4 |0 B 客户要求如下,如果哪家工厂可以做,请和我联系
8 l ~( [# C% u> The application that we have in mind is similar to others that we commonly
3 b; j4 n! E8 y- `3 O; }, g1 i> have. If we were to pay for FCC approval, we would want to use the modem
8 e$ }0 [* z8 K& Z1 [% _ > units in all similar applications under the same approval number.
a' p+ C' r& x8 n) {- Y( { > Therefore, we would like to be able to configure the units to a specific
/ I5 O+ w% V1 D" A( d> application. For the business that we do, this approach will yield more
4 B4 j% u g* ]- I3 I5 A/ k> sales based on the same product and approval. We are interested in the
/ S# |: I# Q. u6 O" e7 z> following specifications:
/ v# b# S+ Q8 j/ L >
9 E3 M6 R% H" o Y! S$ [! l > - 2 inputs at the Transmitter with three possibilities;
+ i% P/ Q" [) N7 N" v > 2 analog
4 ]) j8 ^ m6 ` > 2 digital
0 y8 E( h9 x- A. q3 j' g1 R$ w > 1 analog and 1 digital
5 V7 j" E3 l$ l8 I>
! |, u+ p1 z, U* A8 w, N/ S% F > - 2 outputs at the Receiver with three possibilities to match inputs
) H% J: `3 @/ u5 {3 J>
) ?* @. @6 g/ m4 f( H) J( p0 i7 h* t > - Ability to configure/define analog Transmitter input ranges through
$ z/ g( g. t$ j/ t6 j% d> simple programming method to correspond with full-range analog Receiver
' \1 e& ]: U. \+ L* n/ M8 [ > outputs (0 - full voltage).
' W3 K- {* X _3 E>
- V, g7 b4 | R& j# a > - Ability to configure and set sample rates for the inputs.
. e0 Y" c o! t9 N: p- D* a% Q w/ m>
( q) x2 \( K5 W' r5 p > - Digital output on Transmitter that turns on during the sampling period.
. b0 P3 V: z! i>
3 @' M; n* }" {' m> - Ability to configure a power saving Sleep Mode in the Transmitter by
# ~/ _6 V: A/ N > both software control and input hardware control.
+ l9 N" x0 n5 U+ M' G* X+ v# ]>
8 V3 D; C5 K+ U( h5 ^> In order to configure the units, we would need a way to make the
1 x y% k |. Z; D; c$ K8 b* K5 Q> settings. This would preferably be from a computer terminal so that
) R6 {3 L i0 I5 `* o > configurations can be saved or easily duplicated for production volumes.
' o/ n, q; g0 M" c' E0 o > The units should be small and compact with shielding, and able to mount
0 [% b- F# T, P, l; c8 I; \1 _) l> to a printed circuit board with header connector.
4 ^+ C/ N1 b8 |' F) o >
: o* x+ ?) B4 _9 h> At this time, we are interested in samples of a pair of modems that
/ n# e0 |- }& l: b> might be similar to this proposed system. We do not expect that you
% o& f- W; m$ u& x > provide all of these specifications at this time. I can describe our
8 m1 s, v0 R, |) @0 \! D > immediate application needs in the next email if this project is of
. T7 e2 W x5 p8 W! M& @4 D > interest to you. Perhaps you can make the samples by those
* C: n9 R X% f& e/ Z0 u> specifications. This will allow us to test your radios before we move
* r: T" a4 f& } > forward. We are interested in your 900MHz radio to start.
+ N' \$ X- B9 T
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