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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 B$ |& j& g5 D* `; y5 g# h客户要求如下,如果哪家工厂可以做,请和我联系
, b A* b1 q/ Q5 V1 h) n4 I > The application that we have in mind is similar to others that we commonly
) _* {/ V5 t/ K4 C/ Z0 N > have. If we were to pay for FCC approval, we would want to use the modem
6 T: b3 x0 n/ g) q/ A > units in all similar applications under the same approval number.
' G2 i' y4 V M% ^! @- c! W > Therefore, we would like to be able to configure the units to a specific
8 G" _7 T, L, ^! z9 `$ n. `$ h > application. For the business that we do, this approach will yield more
( w3 i' ?% X/ b- F- _> sales based on the same product and approval. We are interested in the
7 Y/ `( N8 o6 `$ C' ~1 ^' I% p> following specifications:
" ^ o+ l" f6 e+ l9 L6 z: ^ >
0 t8 C$ q \3 r0 k# G$ g> - 2 inputs at the Transmitter with three possibilities;
1 n+ x" @4 O7 x: w > 2 analog
3 z, c; a: l3 X > 2 digital
4 z; U% ]3 D1 x6 M* a> 1 analog and 1 digital
7 \. c9 T. f/ e7 ^* y3 U>
2 U6 ^% \4 o2 {& E2 Y( Y4 s > - 2 outputs at the Receiver with three possibilities to match inputs
" N2 o) C2 l% w7 J>
7 U; A2 @4 O% n" M! B5 ~8 D; R> - Ability to configure/define analog Transmitter input ranges through
2 Y: B; {' U+ U. \ A* X7 B > simple programming method to correspond with full-range analog Receiver
- [+ O! W5 o( A6 C8 E' b > outputs (0 - full voltage).
1 P5 v! U7 t8 Y# w5 r>
' r. y+ E9 P& L3 B& l> - Ability to configure and set sample rates for the inputs.
I9 Z3 G+ t- n; D& Y>
* r% Z0 V5 e! k& U" U; r+ _ G, @ > - Digital output on Transmitter that turns on during the sampling period.
* t+ K9 ?* f$ g- U* v6 i. S >
# M) B& n( m- P# n8 } > - Ability to configure a power saving Sleep Mode in the Transmitter by
( z7 I" `: G% R$ d* p > both software control and input hardware control.
. C3 M+ K, Z% |( J, r9 y9 H >
/ c, l: A1 p) R! V1 D# k6 V> In order to configure the units, we would need a way to make the
; g+ [# b9 z# u6 D0 {$ v9 Z> settings. This would preferably be from a computer terminal so that
2 e) A7 d9 u% X1 ^/ y$ p6 L> configurations can be saved or easily duplicated for production volumes.
. Q0 b7 G c' S0 N! f> The units should be small and compact with shielding, and able to mount
9 L) H$ ?* x4 w- t3 s1 ?7 ] > to a printed circuit board with header connector.
. C( @& V0 o4 q4 Z0 I y% h. v >
% _6 J$ f5 c5 U> At this time, we are interested in samples of a pair of modems that
1 j* h+ ?$ |8 G0 C* l> might be similar to this proposed system. We do not expect that you
W% s4 h5 e7 Z3 b8 c > provide all of these specifications at this time. I can describe our
* B! C- y4 k1 r6 D$ Y: ^ > immediate application needs in the next email if this project is of
( _! Q! M0 \+ ]> interest to you. Perhaps you can make the samples by those
) q/ ^, N9 U7 D+ c> specifications. This will allow us to test your radios before we move
q" M: l& T' x. i) L1 O> forward. We are interested in your 900MHz radio to start.
6 Z2 P' {/ @5 O1 ]9 A1 O
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