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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 w' g2 n9 D4 \7 h客户要求如下,如果哪家工厂可以做,请和我联系
3 h1 a* A# V/ N" S > The application that we have in mind is similar to others that we commonly
* d: w3 T$ X, t! M* w> have. If we were to pay for FCC approval, we would want to use the modem
; A l+ Q' e0 u4 I& }9 w > units in all similar applications under the same approval number.
1 h% J, w; J; F# v9 x0 w. l> Therefore, we would like to be able to configure the units to a specific
. a6 H, G4 a2 R> application. For the business that we do, this approach will yield more
9 @7 B4 J5 D ? > sales based on the same product and approval. We are interested in the
# C, w7 u; `) H" T' c1 I> following specifications:
+ i1 `6 i2 }% w >
% v2 M5 y/ P+ {+ p> - 2 inputs at the Transmitter with three possibilities;
$ e% N: ], Y2 P% ~; f > 2 analog
! e0 ~1 m0 v! d! | w. z% N. Q. K> 2 digital
2 t& o; f* Q; [/ G4 Y% @8 I, \" ^> 1 analog and 1 digital
* v9 d' y( w: _5 e >
; a, h1 q5 A3 v2 d > - 2 outputs at the Receiver with three possibilities to match inputs
! v2 ^; G3 ]) D7 N* e>
2 _1 I5 b6 Y+ w% K( z0 S% N7 Y > - Ability to configure/define analog Transmitter input ranges through
5 ~2 {; }& F3 K, g7 \2 p> simple programming method to correspond with full-range analog Receiver
& `4 I0 i9 K; i. K7 \3 Y > outputs (0 - full voltage).
/ ^- [" W+ P1 o1 c. R>
* `7 j' G& e6 ^- C3 Y% u > - Ability to configure and set sample rates for the inputs.
5 O* A: d3 ?" B. A- J2 C( W: i2 `>
5 } ]" p8 p2 v8 }( F" y# |5 n > - Digital output on Transmitter that turns on during the sampling period.
! H0 U6 o1 c4 _) H- I>
1 H8 @& G" j# V+ Q8 T9 v" I+ G$ c. e> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 D9 r9 j% I6 T > both software control and input hardware control.
$ r8 B' i3 s5 s# V! P6 N>
. e1 v! @" Z7 G> In order to configure the units, we would need a way to make the
0 ^) h* \! h/ N. f/ i0 u2 B> settings. This would preferably be from a computer terminal so that
+ l6 k+ J) ]- G! u) u: Y7 S$ Q8 {> configurations can be saved or easily duplicated for production volumes.
3 o! I' A) B* q2 U1 L7 S! R$ b> The units should be small and compact with shielding, and able to mount
: k0 \$ E: i+ H# F, k > to a printed circuit board with header connector.
, b( E1 Z0 `; c' d5 s: z>
, \% }# ~. A7 Z' K+ B0 f> At this time, we are interested in samples of a pair of modems that
$ c2 c7 m+ b; q, j, x$ N> might be similar to this proposed system. We do not expect that you
( N0 a9 S5 O8 |" R; C% i > provide all of these specifications at this time. I can describe our
$ Y3 z' j9 i9 c T > immediate application needs in the next email if this project is of
2 Y! |8 Q& R+ E$ { v! H: g> interest to you. Perhaps you can make the samples by those
- x$ V9 v1 p0 @2 w8 F > specifications. This will allow us to test your radios before we move
$ e, S( ]' R0 B$ b/ f > forward. We are interested in your 900MHz radio to start.
- e) {7 x' {7 H9 a
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