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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

/ m1 x; Y- q7 _& s ?' A3 v$ ] 客户要求如下,如果哪家工厂可以做,请和我联系
# U# Y. p3 a" g3 ]5 P0 e > The application that we have in mind is similar to others that we commonly
: \( k, z' H% m: O' _> have. If we were to pay for FCC approval, we would want to use the modem
2 P2 H. _( M9 {> units in all similar applications under the same approval number.
/ n/ K: x: q9 x> Therefore, we would like to be able to configure the units to a specific
( q: c/ b+ A" y Y; x) ]4 a, n. B> application. For the business that we do, this approach will yield more
; H l/ h. `. n* n$ j> sales based on the same product and approval. We are interested in the
* `5 t) F- X2 n* e/ z, ~6 ]9 @> following specifications:
/ R2 y6 p/ t- H+ c8 G R >
/ W* C- J8 R$ u3 {3 B8 @1 `6 ^ > - 2 inputs at the Transmitter with three possibilities;
$ _5 v! x( \# _5 W9 ?) V> 2 analog
3 C6 F B z- |> 2 digital
1 y. j! T' U/ ]+ \> 1 analog and 1 digital
3 Z! |; f' k! U) l >
3 t, R' w, h4 n, z7 ^> - 2 outputs at the Receiver with three possibilities to match inputs
* F$ i$ `) g9 _; @: @>
! V2 b* y, ~1 b) h! l0 J> - Ability to configure/define analog Transmitter input ranges through
p; F5 Q. w0 a> simple programming method to correspond with full-range analog Receiver
1 h5 F* k+ H7 u1 @> outputs (0 - full voltage).
2 f, T- _! o" _ R% Z# I >
; O) W, R+ N3 v; D1 u> - Ability to configure and set sample rates for the inputs.
+ e3 h- m: r3 Y7 D! r7 |( M>
: Q- g) H" J5 ]8 K> - Digital output on Transmitter that turns on during the sampling period.
' m K0 l* e2 l3 U! V >
: ]# N( Y& `+ F% t) D6 t5 X> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 h. N. ?3 C" W h > both software control and input hardware control.
+ g& k2 A2 a5 u- L& p( W6 ~>
! g# C* U% W7 G; o# Y& J/ d% G > In order to configure the units, we would need a way to make the
G4 y) @; {. G& ?; U" l+ Y7 | > settings. This would preferably be from a computer terminal so that
6 ]+ B; h7 `* V# A3 h% B1 e5 u# ? > configurations can be saved or easily duplicated for production volumes.
p/ u, d" i3 _' Z9 `, y+ T. Z > The units should be small and compact with shielding, and able to mount
1 ~& l6 h8 V; U& V# R& C > to a printed circuit board with header connector.
8 T) ?% x- P8 p2 c1 i' l >
0 Z1 I$ e! M# W5 l8 x* e" m5 W4 | > At this time, we are interested in samples of a pair of modems that
* q1 E. t) _8 T b > might be similar to this proposed system. We do not expect that you
0 [2 E+ f b& I* U$ k > provide all of these specifications at this time. I can describe our
) ?" R; X% h' S) L0 o > immediate application needs in the next email if this project is of
- x- G( h. D: }' V2 j> interest to you. Perhaps you can make the samples by those
8 {3 m+ y0 b* @; f* f) f > specifications. This will allow us to test your radios before we move
& `" Y" ^2 I* Z% r& | B) n7 r> forward. We are interested in your 900MHz radio to start.
# O+ P- b4 f( l$ _0 W6 q, c
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