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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

+ x5 l; I3 ? m4 d 客户要求如下,如果哪家工厂可以做,请和我联系
! c# M/ k4 J. p! r8 d" i3 J+ i: w> The application that we have in mind is similar to others that we commonly
- P3 a! d4 B/ U' A- P* H+ G> have. If we were to pay for FCC approval, we would want to use the modem
3 t3 h( N0 B* u, @5 f> units in all similar applications under the same approval number.
7 _! u; Q7 y6 C h; t7 R > Therefore, we would like to be able to configure the units to a specific
n. ^! G& u$ }2 |" M > application. For the business that we do, this approach will yield more
9 l" J8 `+ D) d5 D0 q$ r> sales based on the same product and approval. We are interested in the
9 @- b6 j4 X8 m* _6 S> following specifications:
R% G+ l8 K7 k$ ^8 R>
9 k! U. h; L6 _; s( d5 x1 r+ o > - 2 inputs at the Transmitter with three possibilities;
& n4 d% D6 z4 D7 m: _) j- ~( k> 2 analog
9 r: X4 X T+ A) b> 2 digital
! Y$ g) E5 m6 I( N I4 y > 1 analog and 1 digital
, v* s2 J; _7 u* o4 H: |- @4 m7 w >
2 y% ]1 {/ m0 f" Y" J4 m. k- c > - 2 outputs at the Receiver with three possibilities to match inputs
1 N" l& H7 _9 ~& O: [+ P >
: q9 z: C! w1 L% Y# Y+ Y6 A> - Ability to configure/define analog Transmitter input ranges through
! l" G" g& ^, { > simple programming method to correspond with full-range analog Receiver
' ?( J; I2 |4 } > outputs (0 - full voltage).
4 Z' F+ R( g9 R+ G% a6 @4 O; O >
1 v. P5 U8 ] t) c1 G8 A& s> - Ability to configure and set sample rates for the inputs.
: i: w4 G( m9 A$ z( M1 i( O >
8 B& M- H* L- x5 {6 m: B- e7 s > - Digital output on Transmitter that turns on during the sampling period.
# D) u9 k$ ]6 h) B! c3 G! L >
7 _9 g/ b4 K& s, T. R: ~# f" K > - Ability to configure a power saving Sleep Mode in the Transmitter by
# ^% ~1 o1 p* m, k0 E! B( ]8 h > both software control and input hardware control.
3 X/ j) ^8 N9 P& w/ H& `5 q K >
! M2 R+ [' Z4 E: U- a3 I R; P+ s" F > In order to configure the units, we would need a way to make the
4 z6 H. R1 Y2 H; p% R> settings. This would preferably be from a computer terminal so that
: ~' H4 ~' n) _! q- L) G> configurations can be saved or easily duplicated for production volumes.
& T# e- l6 f3 n. Y* B/ I8 K& b> The units should be small and compact with shielding, and able to mount
- I% W) {/ T2 O9 I> to a printed circuit board with header connector.
$ S3 Y- t6 t, Z. T, L+ w# N>
0 `$ X, r: l/ b" l> At this time, we are interested in samples of a pair of modems that
. a) ~0 p! H! e4 s6 y0 S( T/ }# Y1 x > might be similar to this proposed system. We do not expect that you
+ p) V+ M0 n8 b, L3 o > provide all of these specifications at this time. I can describe our
+ T6 n& E7 o5 |4 Z& g> immediate application needs in the next email if this project is of
2 B6 `( a; y/ j! I# b# m6 M> interest to you. Perhaps you can make the samples by those
1 K! Y5 l, Q3 |> specifications. This will allow us to test your radios before we move
* s' U, _( J2 ^4 v > forward. We are interested in your 900MHz radio to start.
w! V& v, ?) I, R/ X
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