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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

$ C3 j* [" m1 O' E/ g 客户要求如下,如果哪家工厂可以做,请和我联系
# r9 m- s/ R" Y; u8 O0 C( R> The application that we have in mind is similar to others that we commonly
( c, q$ q" a3 t$ ] > have. If we were to pay for FCC approval, we would want to use the modem
8 o5 G" c9 C- F0 W3 g% p> units in all similar applications under the same approval number.
; G m$ V9 G' m% m* V: | h > Therefore, we would like to be able to configure the units to a specific
n3 v+ `9 t7 A# Z1 S > application. For the business that we do, this approach will yield more
9 K* i' o9 f2 ?+ j0 K> sales based on the same product and approval. We are interested in the
$ E4 ?, X8 S! D+ N4 c: k# y6 q1 a > following specifications:
/ K- {& ~- A- x' J" a" J >
, y; C6 u3 l4 Y* G2 _( `! M- ] > - 2 inputs at the Transmitter with three possibilities;
+ Y$ i+ M2 p/ i1 R) x1 m D. T > 2 analog
~1 B, z. O' ]' q> 2 digital
" n9 b6 q3 E% Y# ^6 d > 1 analog and 1 digital
; Y# |7 Y+ h/ H >
/ l8 i2 \% V; m1 M0 p( ?( f4 [3 y> - 2 outputs at the Receiver with three possibilities to match inputs
* E t. e: m6 C8 \3 ]6 J >
$ X4 j1 q& e1 H. I6 U% v# @3 |$ E> - Ability to configure/define analog Transmitter input ranges through
' g; ?4 }* P2 D: G9 T> simple programming method to correspond with full-range analog Receiver
% J* A4 \- V$ o> outputs (0 - full voltage).
* @/ H, U; [6 v- C* K( |3 | >
& V+ Y( P: |. N. A2 Z+ s > - Ability to configure and set sample rates for the inputs.
4 ~& F% u. h3 V4 n>
|0 k7 z6 i/ U6 h> - Digital output on Transmitter that turns on during the sampling period.
|7 X, N$ `" l# X7 p* \6 l p1 O>
G7 S5 ]7 O* b" m > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 L6 I; T/ @/ q) y/ P F > both software control and input hardware control.
4 C5 E6 j' {. C+ Y+ f8 z0 i>
& e1 f) P* \2 d! }5 k0 ?> In order to configure the units, we would need a way to make the
( ~4 T8 Y) E" N- B* ~) P > settings. This would preferably be from a computer terminal so that
: D; H0 Q- [4 \0 _8 Z- k: k> configurations can be saved or easily duplicated for production volumes.
" G2 _0 c; ], s/ h. H > The units should be small and compact with shielding, and able to mount
2 {" m' y" w6 o, y) G: c+ r > to a printed circuit board with header connector.
2 @# v! P! M4 O% n2 E8 I>
1 q7 _+ i7 ^4 I. L* X4 X9 ] > At this time, we are interested in samples of a pair of modems that
' B2 u* `0 s/ Y$ y! b > might be similar to this proposed system. We do not expect that you
" ~5 B2 E. s$ e. p, x> provide all of these specifications at this time. I can describe our
, R9 `- e5 v- Z, } n > immediate application needs in the next email if this project is of
: k# w0 ]) Y6 X( @' H& J' v2 q> interest to you. Perhaps you can make the samples by those
+ j- ~2 \8 u, L) c> specifications. This will allow us to test your radios before we move
; _" U9 t) H1 @/ D% w- s. s> forward. We are interested in your 900MHz radio to start.
7 A' H2 r, _) @7 k7 H, i
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