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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

4 c0 S/ [: f+ y3 }, P* U- i* m 客户要求如下,如果哪家工厂可以做,请和我联系
8 d4 R4 q% r9 u7 i; V, G5 I2 o> The application that we have in mind is similar to others that we commonly
: V9 i8 M5 a9 _' ?- T > have. If we were to pay for FCC approval, we would want to use the modem
5 |5 |5 b0 [8 @& B, c' K> units in all similar applications under the same approval number.
& K; X& A; \3 D- ^1 @, @> Therefore, we would like to be able to configure the units to a specific
8 c) X+ [# @2 p j9 c9 m > application. For the business that we do, this approach will yield more
4 t" E @, A8 J% S, s9 q> sales based on the same product and approval. We are interested in the
$ d5 i. f' }, q2 v > following specifications:
+ g: G1 Y- P1 T! H3 X. I6 d >
) O% n2 `9 v# f, C > - 2 inputs at the Transmitter with three possibilities;
, {5 i! R4 `- [: U> 2 analog
6 u/ ?$ B) U0 S; ~ > 2 digital
( d8 V) J. j( Q; {> 1 analog and 1 digital
( Z/ U/ _# O: I! {. _3 o% q>
# K8 \6 D+ S& U4 o > - 2 outputs at the Receiver with three possibilities to match inputs
& c+ [7 b& S2 q* B5 F$ O$ {3 b>
: t9 ^" T6 G9 S > - Ability to configure/define analog Transmitter input ranges through
$ @5 y+ B7 N* ]4 `' p, p$ q > simple programming method to correspond with full-range analog Receiver
) e+ Z! K, [0 n> outputs (0 - full voltage).
& W3 ]& b) ?3 c& l- ?. G0 `" z6 @1 A >
& p1 s0 v4 G8 ]7 D$ J4 S: N; L > - Ability to configure and set sample rates for the inputs.
; ^' d) I$ k0 {. y>
5 @0 ~5 s i' B: R5 R" \> - Digital output on Transmitter that turns on during the sampling period.
+ {5 J4 N# W: ?6 D >
$ b- E U, O u> - Ability to configure a power saving Sleep Mode in the Transmitter by
- G1 ^0 k! c6 D7 D$ ?> both software control and input hardware control.
4 a+ A8 |7 G3 N. V" R >
0 g& N9 L1 C$ B > In order to configure the units, we would need a way to make the
! S- Z5 l* V: ^5 f( ?; B> settings. This would preferably be from a computer terminal so that
5 |! d+ Q0 q$ I: P \> configurations can be saved or easily duplicated for production volumes.
5 Y& g. @) D; f! o ^. j > The units should be small and compact with shielding, and able to mount
# {$ p! g, P* f > to a printed circuit board with header connector.
; b1 J/ R: m# r3 \, @, q6 K >
' n- s5 W2 h5 z9 Y: x > At this time, we are interested in samples of a pair of modems that
2 G- f2 ` K# s7 q+ ^6 |> might be similar to this proposed system. We do not expect that you
, W- c( H- r; R+ U& G# Y1 n> provide all of these specifications at this time. I can describe our
W, J) T! O; l5 b( Z > immediate application needs in the next email if this project is of
2 F& G- D1 x: y$ m- R1 M > interest to you. Perhaps you can make the samples by those
1 ^5 W4 |+ x$ ~0 b) _: ~> specifications. This will allow us to test your radios before we move
7 R% a# {: K" l- s- e; R; ^* P$ _> forward. We are interested in your 900MHz radio to start.
2 |! }! z2 \3 X8 S; _' Q* F: ^
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