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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

5 _% Q& G& z, G4 l% \ W; \客户要求如下,如果哪家工厂可以做,请和我联系
, `) q0 r" D0 _8 u6 Y- ?> The application that we have in mind is similar to others that we commonly
2 d4 o) |! u7 Q( G, H4 D > have. If we were to pay for FCC approval, we would want to use the modem
: v5 x; u [! v: l0 q4 p> units in all similar applications under the same approval number.
* \7 W7 L" }8 i0 n4 @> Therefore, we would like to be able to configure the units to a specific
# I& V7 P% U( f > application. For the business that we do, this approach will yield more
# ~; ~ t o; z > sales based on the same product and approval. We are interested in the
- ?+ D8 n- Z- U > following specifications:
( D/ `9 ]0 V) [ >
: U( x2 x" m4 R > - 2 inputs at the Transmitter with three possibilities;
6 r* y9 a- r- X' W* u > 2 analog
D: T9 f+ h% C$ q9 K" d: K> 2 digital
& a; U+ y/ [3 R6 M$ T, E2 [ > 1 analog and 1 digital
$ Y7 k; o) \% K) Q2 ?2 P >
3 [2 d2 }) S1 z6 p$ ]# b. e- p > - 2 outputs at the Receiver with three possibilities to match inputs
4 |2 m/ R4 t2 u >
: w* S$ K- J: e: g+ K > - Ability to configure/define analog Transmitter input ranges through
" y0 H: [) }) e! P5 H& B( K> simple programming method to correspond with full-range analog Receiver
5 `. o3 I2 _; v5 b, z5 h2 A > outputs (0 - full voltage).
: Z! |- S+ n/ d >
6 O1 C0 `0 y8 Q Y$ t- W* _> - Ability to configure and set sample rates for the inputs.
. {2 `* j; a/ k1 _0 R y6 [>
, `9 m M/ H$ c+ j> - Digital output on Transmitter that turns on during the sampling period.
, A- t3 ?3 `& z>
) f6 o( e. |- h" z1 n, O8 ~> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ R# n8 S: T/ g6 @1 v. F0 y% c > both software control and input hardware control.
4 a; x$ \5 C8 U6 ~2 i' v>
0 g5 n/ z6 _9 S7 l> In order to configure the units, we would need a way to make the
& Y; v7 U- L9 L, F> settings. This would preferably be from a computer terminal so that
7 _. `6 R# w& G. W. d! V- ^- F) E> configurations can be saved or easily duplicated for production volumes.
6 ^% L' ?$ i/ g g4 Q( ^ > The units should be small and compact with shielding, and able to mount
7 q6 I3 O) Y9 B# _# { > to a printed circuit board with header connector.
/ u" \. u& Z7 f >
7 M, z V' D% R6 g8 I > At this time, we are interested in samples of a pair of modems that
2 s2 w: Y- G/ o- d: ]> might be similar to this proposed system. We do not expect that you
1 E1 U. w& l/ x! ?/ c> provide all of these specifications at this time. I can describe our
: W+ Z2 _$ u% j H1 G" \> immediate application needs in the next email if this project is of
1 O7 f# p* i" I > interest to you. Perhaps you can make the samples by those
9 F. Y6 _, R( S1 f/ F> specifications. This will allow us to test your radios before we move
# U' R3 ^! G) [3 ^+ d3 o> forward. We are interested in your 900MHz radio to start.
) D \9 b7 A6 `
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