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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

6 w) U8 A+ X2 T5 B; t客户要求如下,如果哪家工厂可以做,请和我联系
5 R" G! q8 r' ~ > The application that we have in mind is similar to others that we commonly
0 {2 ]( R1 s Z8 a4 F/ O* o/ C$ B5 V> have. If we were to pay for FCC approval, we would want to use the modem
/ O# j1 @+ l0 `) @6 B> units in all similar applications under the same approval number.
$ m; `3 W1 a0 O9 s3 x > Therefore, we would like to be able to configure the units to a specific
X, X: ^1 y( @1 M1 | > application. For the business that we do, this approach will yield more
3 _2 C& N0 n' M9 W% k# M. T- n* W; N> sales based on the same product and approval. We are interested in the
) u+ M9 @3 j& j' s' `> following specifications:
2 M X- {. w l8 a! C# y* H- i >
0 ?8 k0 A) C7 S/ M# h5 v. T. ~2 m > - 2 inputs at the Transmitter with three possibilities;
/ ~1 {" Z# A. B' p> 2 analog
+ @ f. b h9 N3 e> 2 digital
/ ?9 V4 b! I$ `' k6 a) S8 B, r> 1 analog and 1 digital
7 U- c" S* G/ |0 F8 Q>
: l# C* }+ w& q2 f- w> - 2 outputs at the Receiver with three possibilities to match inputs
7 k; T" e+ Z- M) L1 s) Q >
: B: C+ ]0 G5 L3 O, _& O1 w> - Ability to configure/define analog Transmitter input ranges through
; c+ ?: x. Q0 E8 S& r; k > simple programming method to correspond with full-range analog Receiver
O+ N6 \. t' z1 G> outputs (0 - full voltage).
# ?/ }0 b0 ~% J2 o/ x6 |>
& \9 ^6 k; @: V8 f- ^& `& l > - Ability to configure and set sample rates for the inputs.
6 e) g0 p6 i3 S3 \3 j- a >
# S: ]) S' b$ d2 Z' \/ p6 O: I> - Digital output on Transmitter that turns on during the sampling period.
; l8 X# V4 a0 R8 h: y >
4 X7 l( C+ Q9 M4 T" p+ _9 { > - Ability to configure a power saving Sleep Mode in the Transmitter by
! P& A: l/ y9 |- K& ]+ N+ Y> both software control and input hardware control.
3 B+ L7 ^) X7 L# j. ^+ [ >
8 b) k; H+ e( d# L. m> In order to configure the units, we would need a way to make the
( m- A7 g. a7 S7 f > settings. This would preferably be from a computer terminal so that
! p. Y6 K5 N# x, G5 A$ _( i6 l$ L, Z > configurations can be saved or easily duplicated for production volumes.
3 A- Z/ n: e, y+ K > The units should be small and compact with shielding, and able to mount
, s7 p. j! G* u7 D" s> to a printed circuit board with header connector.
K# v2 U% [0 t2 c2 A0 @ >
! ^* \) t( O) ]! Y> At this time, we are interested in samples of a pair of modems that
1 P3 c: n: y7 ~* c) g* ~> might be similar to this proposed system. We do not expect that you
. X6 U" \- z$ v! p" N> provide all of these specifications at this time. I can describe our
- `, f4 E# F7 i1 k. K> immediate application needs in the next email if this project is of
. {. L2 K( J; n( A4 G > interest to you. Perhaps you can make the samples by those
9 m' V+ ?1 O" r& `' u0 I > specifications. This will allow us to test your radios before we move
3 x! f0 ^6 @8 ]' \> forward. We are interested in your 900MHz radio to start.
" U7 o7 w3 b2 W- U8 H5 p3 _+ N7 T7 ^
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