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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

8 c7 [6 M, m7 d 客户要求如下,如果哪家工厂可以做,请和我联系
$ _) [+ J, K8 z> The application that we have in mind is similar to others that we commonly
1 J! z$ ?. b3 S > have. If we were to pay for FCC approval, we would want to use the modem
5 v7 R" A) Y# D5 _7 G > units in all similar applications under the same approval number.
; T. r$ I W! ~ J3 L > Therefore, we would like to be able to configure the units to a specific
9 b+ A% m/ q$ E1 C7 w > application. For the business that we do, this approach will yield more
: Y' `. t/ P' ?: z > sales based on the same product and approval. We are interested in the
; G. S& X2 q) ^; q7 i* s" F- X. Z> following specifications:
$ n1 k( U; t/ _' _7 I' Y. K>
$ H% n2 x4 Q0 w; [% q> - 2 inputs at the Transmitter with three possibilities;
7 G! t; L- g$ c1 R- R4 q3 ^> 2 analog
- n, G. M1 [0 h5 N- m7 v > 2 digital
3 F: M% b0 B1 J4 _3 { > 1 analog and 1 digital
6 C/ E6 L( {3 f: ~ E* |$ Q1 T$ H9 d >
# J3 u" }7 A; R ^3 x: U" o! a > - 2 outputs at the Receiver with three possibilities to match inputs
9 P2 n. H3 ]4 Z& i+ ~ >
* d# h9 J b' ?- p. n > - Ability to configure/define analog Transmitter input ranges through
/ R- F4 {$ J Y: T: M5 c4 B > simple programming method to correspond with full-range analog Receiver
( B( T! K1 {3 `5 c > outputs (0 - full voltage).
: C2 \; o5 L2 T4 b* U >
4 z2 U8 H* y3 B > - Ability to configure and set sample rates for the inputs.
$ o# t2 V i% w$ V% N# ^5 W>
( \5 k4 [' W" @' d, f8 S A> - Digital output on Transmitter that turns on during the sampling period.
: ?$ u; T- a- {' ^; j; A& w8 r >
8 H$ b# b% z. v { O$ }2 M> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 f' c& O6 A: Z> both software control and input hardware control.
4 x/ i. ?5 w& Q >
, {& n2 c& v! o; O! p# a% F4 C! D > In order to configure the units, we would need a way to make the
4 L+ r( j4 @* E# K5 u1 y > settings. This would preferably be from a computer terminal so that
. i1 t4 p+ Q+ Q! P; j( v, h9 v [> configurations can be saved or easily duplicated for production volumes.
8 G+ ]( Z7 l9 q" W5 j) V> The units should be small and compact with shielding, and able to mount
. k& V: p9 K4 E+ {* F* [ > to a printed circuit board with header connector.
U; C* f$ ?# B2 u0 l >
2 G/ K3 j+ y$ g > At this time, we are interested in samples of a pair of modems that
$ t6 C) S3 z* K7 [+ S8 [/ u( q> might be similar to this proposed system. We do not expect that you
q; a# f. B7 r' V, { ?> provide all of these specifications at this time. I can describe our
, K4 A$ d& @2 x/ |> immediate application needs in the next email if this project is of
+ c0 D& v$ H6 \> interest to you. Perhaps you can make the samples by those
& x! P+ q. l. q6 |9 x: H& i. m/ V> specifications. This will allow us to test your radios before we move
5 `( J4 i# D! @ n- {" |. b1 o- H > forward. We are interested in your 900MHz radio to start.
8 E! w8 A- t" u- K2 I% ], l
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