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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

! j5 F1 U: f# o1 N, Q8 V客户要求如下,如果哪家工厂可以做,请和我联系
8 v; a, n6 \1 h1 a& h* }. e> The application that we have in mind is similar to others that we commonly
6 z8 i0 k% Z& P8 | a; m> have. If we were to pay for FCC approval, we would want to use the modem
4 `" t( J ]" {4 E9 m2 f, F9 l/ t$ i' D > units in all similar applications under the same approval number.
' z" v- w/ C7 f> Therefore, we would like to be able to configure the units to a specific
. D6 Z7 O* g6 ~7 _* k3 s> application. For the business that we do, this approach will yield more
$ _. e1 y; H" K: ^5 `> sales based on the same product and approval. We are interested in the
0 A: J$ g" b/ b; v> following specifications:
" P$ G% k& i6 m% @1 x. B$ z>
# X; b4 w6 }8 W9 ^> - 2 inputs at the Transmitter with three possibilities;
& E; e/ V- ?( w% S: ^ > 2 analog
7 J6 N) i7 Q$ a9 H> 2 digital
- u) E* i- @9 R1 V# x > 1 analog and 1 digital
$ B* } l# ^; U! _/ o >
; \7 W" @. v9 F2 {1 N5 m9 l, K8 A$ d" D > - 2 outputs at the Receiver with three possibilities to match inputs
; W9 G4 O% Z" j9 t5 [>
. g. B6 l% ?$ S' Z: G; ^> - Ability to configure/define analog Transmitter input ranges through
4 T# ]9 e" J F! B- e: m# L > simple programming method to correspond with full-range analog Receiver
# f9 k7 z: i8 p. ]0 x- S$ }9 J > outputs (0 - full voltage).
- D7 s. v4 q. Y0 ~/ n. S$ Q: z# T5 M>
) J2 j; T: \ X9 f* q [2 l > - Ability to configure and set sample rates for the inputs.
; j {' u6 P0 V* ~) F" [! R>
/ { u5 y9 ^8 v( z1 [* C> - Digital output on Transmitter that turns on during the sampling period.
, q0 e' Y# n- l4 K>
1 I. R0 g) D" V: ^, o* Z > - Ability to configure a power saving Sleep Mode in the Transmitter by
; z3 u% [* h& i# i. q. P, s3 S" q; r8 k/ c> both software control and input hardware control.
7 m4 l( n5 `/ `8 k6 }3 S: R& q, \ >
) Z! q# J: v% i> In order to configure the units, we would need a way to make the
9 W. s4 E' `2 r N> settings. This would preferably be from a computer terminal so that
5 t Q* k u9 X, r" @2 x" w > configurations can be saved or easily duplicated for production volumes.
3 P: @7 h( Y$ V9 a$ Z# M2 O > The units should be small and compact with shielding, and able to mount
) A9 k; E5 U8 ~$ s3 ?" j% ^& p# m8 X > to a printed circuit board with header connector.
) d* g' d/ ]4 s" _# E3 L >
1 t0 a* w) G; ]; o( O > At this time, we are interested in samples of a pair of modems that
+ H8 E: b6 O/ ] | x/ U > might be similar to this proposed system. We do not expect that you
2 M/ o) ^/ p2 d! L4 G: e > provide all of these specifications at this time. I can describe our
4 ]/ e. K6 m* F* M' o > immediate application needs in the next email if this project is of
# G- i0 |# q- u- J$ {> interest to you. Perhaps you can make the samples by those
4 F: K/ F0 k o1 \% K2 ~> specifications. This will allow us to test your radios before we move
7 O5 J J3 S4 U h. I8 y6 S > forward. We are interested in your 900MHz radio to start.
; b/ h* D8 O5 B0 `: `: z1 ~! @; P
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