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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

2 G1 u8 B/ ]1 V( |0 n客户要求如下,如果哪家工厂可以做,请和我联系
- R/ d" W7 U& L: X/ R& _9 z% r > The application that we have in mind is similar to others that we commonly
7 A: s$ [. k$ B > have. If we were to pay for FCC approval, we would want to use the modem
- g- O4 R6 U3 Y! @1 U& O" m7 e> units in all similar applications under the same approval number.
1 Q; ~8 j0 K7 g+ e9 g1 v> Therefore, we would like to be able to configure the units to a specific
! | f' ]. v2 V: o> application. For the business that we do, this approach will yield more
8 t5 \! p6 c( B> sales based on the same product and approval. We are interested in the
8 }" m; R( d+ T8 ^> following specifications:
9 n, q5 k$ p" o. w>
+ m1 }4 b* l1 D& J5 U* B) @* n/ t: H> - 2 inputs at the Transmitter with three possibilities;
' b% q V, k+ f> 2 analog
: T- R8 y/ q3 n. ?1 `" E. e5 m6 E! @ > 2 digital
1 R- I% ?1 a# Z( {> 1 analog and 1 digital
; e9 Y7 v E7 T' d' G8 n>
+ [( o+ g! w9 M' \" ~> - 2 outputs at the Receiver with three possibilities to match inputs
0 h9 f+ r# \+ n* S2 J6 K+ Z: Q>
& ?+ r, M- N) h+ V& m5 Q9 O> - Ability to configure/define analog Transmitter input ranges through
0 e8 i6 D) X: E4 q9 f/ H& x > simple programming method to correspond with full-range analog Receiver
# |( l7 P. ]7 i' Z > outputs (0 - full voltage).
6 A& q: z6 _8 p5 E) q>
, {7 s9 l1 F# l1 z# \2 e. ]7 N% B > - Ability to configure and set sample rates for the inputs.
2 K7 M: y& N% P! [; |( U5 \>
4 D( ~8 a5 a" ]% j! N" ` > - Digital output on Transmitter that turns on during the sampling period.
. S) _: v: o7 F* N) H2 T >
: _ h; g6 c3 `> - Ability to configure a power saving Sleep Mode in the Transmitter by
- P) t2 m) B- `9 F> both software control and input hardware control.
- D& F9 K- a) a- t+ q0 D >
: K* C3 d8 m; ~% c6 A5 ?> In order to configure the units, we would need a way to make the
! s4 K( X7 v7 b9 V> settings. This would preferably be from a computer terminal so that
2 K- Y' o1 s, D; s* ]( C > configurations can be saved or easily duplicated for production volumes.
7 @! X; H; H* r6 K0 Q2 t9 b! L> The units should be small and compact with shielding, and able to mount
( W1 i' b4 H6 |7 W [; J3 h > to a printed circuit board with header connector.
, e# B$ f: E' K3 M4 V a# |>
# S( \3 z6 r/ V > At this time, we are interested in samples of a pair of modems that
9 }$ U8 ?# f+ O! o3 c5 D3 V; m2 n> might be similar to this proposed system. We do not expect that you
/ O0 K2 o" O6 G& S: G+ k > provide all of these specifications at this time. I can describe our
' a* u) a2 C7 h3 Q- h> immediate application needs in the next email if this project is of
! a; y! Q1 s! f# \ > interest to you. Perhaps you can make the samples by those
~+ @3 k+ Q% {1 v! }! S3 B > specifications. This will allow us to test your radios before we move
* p4 w3 w9 A; P6 k7 S > forward. We are interested in your 900MHz radio to start.
) k0 u+ _2 i. x" p# i6 N, k
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