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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

; v$ v; E# ^& K W, ?1 A 客户要求如下,如果哪家工厂可以做,请和我联系
$ Z& u! ?6 V$ i5 k$ Z$ K > The application that we have in mind is similar to others that we commonly
1 O" B7 D6 F, l. M' }> have. If we were to pay for FCC approval, we would want to use the modem
/ d$ o% j; m* U$ K- t' _ > units in all similar applications under the same approval number.
2 v# e1 m* `6 q% s1 B( U& G6 j > Therefore, we would like to be able to configure the units to a specific
/ ]1 [/ e7 N n. o7 P9 j" m& ? > application. For the business that we do, this approach will yield more
) o3 {6 J1 ]9 I8 {6 \! J: n" ]) A: l > sales based on the same product and approval. We are interested in the
s* I( x! x G3 t% C8 w> following specifications:
8 i+ @) g) ?7 E% U! H; f >
, l& d3 P) [/ ^/ t > - 2 inputs at the Transmitter with three possibilities;
2 _: y0 a& @- {# u! `1 L; V. V. M2 u> 2 analog
Z x8 w- U) ^. {4 d > 2 digital
V7 `; H) G. j' h$ W4 K, S > 1 analog and 1 digital
& ]6 ~0 Y; Q9 g, T# Q+ s2 h >
8 e2 L" k2 @- n7 S+ \% h; g* i> - 2 outputs at the Receiver with three possibilities to match inputs
* N2 {. `- `9 h/ Y/ q>
* ?$ c1 V- D1 [, G$ A" k# ~1 O/ L> - Ability to configure/define analog Transmitter input ranges through
6 |: R& ?4 I5 B5 P > simple programming method to correspond with full-range analog Receiver
: G: o8 a) `/ u' \, C > outputs (0 - full voltage).
7 `7 V5 P% A; f# B; H >
, [4 O' {% b* B4 P; R- e. r1 q) Q > - Ability to configure and set sample rates for the inputs.
1 V! h7 A" w, h: Z2 o0 B5 z0 T>
" @; T" R5 c/ P% z) c3 c. o' w: ] > - Digital output on Transmitter that turns on during the sampling period.
* e( V, ^3 p% L; s' M6 e>
8 k* r& K. ^. G- _: p% K: i2 x > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 W; z: U4 i' l8 R7 M) [/ k" [. d > both software control and input hardware control.
( t/ A# h' y, z" I/ [6 k>
9 u( r$ D) m" F( E6 j> In order to configure the units, we would need a way to make the
* |$ [4 V7 G2 g# C9 | > settings. This would preferably be from a computer terminal so that
1 J8 R5 {- `2 v6 K, ~- @0 i6 O> configurations can be saved or easily duplicated for production volumes.
# d8 |5 \% U2 R > The units should be small and compact with shielding, and able to mount
! D( S: o' P. ?: s > to a printed circuit board with header connector.
i! M& S" m4 d, Q6 [- j >
/ v6 _6 P! A+ K, A > At this time, we are interested in samples of a pair of modems that
- e9 D g, A k7 M2 b> might be similar to this proposed system. We do not expect that you
! s3 f* s* ~1 _1 z @> provide all of these specifications at this time. I can describe our
W. v* |' `& a+ [( H; k! h- g$ `> immediate application needs in the next email if this project is of
& S# C1 V/ ?% N0 w! @& ^- S) L( h1 R> interest to you. Perhaps you can make the samples by those
3 X' P5 a5 w& l# K1 P1 t8 C > specifications. This will allow us to test your radios before we move
( z/ z5 @( Z; ]# d- b/ ? > forward. We are interested in your 900MHz radio to start.
: t: h- C) y5 k! N' I
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