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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 F1 a9 R+ k: X) g6 n 客户要求如下,如果哪家工厂可以做,请和我联系
, \% J0 F$ q" J6 I. [ > The application that we have in mind is similar to others that we commonly
! s6 T' m% n7 s > have. If we were to pay for FCC approval, we would want to use the modem
0 x' V/ O& d7 G, A6 ?4 S > units in all similar applications under the same approval number.
* r' G9 B( a# C0 y> Therefore, we would like to be able to configure the units to a specific
2 `7 J1 o9 F9 i: ]> application. For the business that we do, this approach will yield more
; a% L" i1 G' G3 s. K0 |% \2 y > sales based on the same product and approval. We are interested in the
! g3 V* v# H% L2 c" I > following specifications:
% G8 ^; ~2 L; P. X- i0 f>
$ p% |1 A6 C& }& R% ^ > - 2 inputs at the Transmitter with three possibilities;
5 ]; l* z5 ^( _9 U8 i > 2 analog
% a0 A4 `/ i. l3 a% O7 ^6 R0 c> 2 digital
. K! b7 z' \' }8 V& F> 1 analog and 1 digital
* x8 ^& S9 `. ? I: s& s6 E, t>
! I9 r0 L: x# E: Z4 ]8 a1 a' p > - 2 outputs at the Receiver with three possibilities to match inputs
j8 B' `7 D0 ^>
+ }' D+ f7 V% t5 I' n3 ^! ~. F! s6 P > - Ability to configure/define analog Transmitter input ranges through
+ j2 E% p) X+ m, P& n > simple programming method to correspond with full-range analog Receiver
+ q' P: `1 J# X% |> outputs (0 - full voltage).
% ], c" W) K ~$ t9 t. m6 d>
0 r% S% k7 t5 e+ J> - Ability to configure and set sample rates for the inputs.
. I/ a1 D9 ^* X/ b+ N( a- K6 b) g >
0 ]* W3 T: t" b. D > - Digital output on Transmitter that turns on during the sampling period.
- i/ Q1 g! |/ _/ U>
) e" @- F% H, l) q% f+ G7 V1 A$ A> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ M4 K! Z% h# }' y> both software control and input hardware control.
, B0 s# R" t( T- u0 b: ^>
. F3 p( q+ S3 M+ K1 a3 V7 u9 L, Z > In order to configure the units, we would need a way to make the
' D" c$ b& i% {/ j6 G4 f$ n1 s> settings. This would preferably be from a computer terminal so that
. b6 R0 N2 z* l; o* p5 ^0 |/ U4 u > configurations can be saved or easily duplicated for production volumes.
# L/ E- w& t( I- I5 S/ h2 I$ @$ j4 j> The units should be small and compact with shielding, and able to mount
# x; T- e8 j+ j0 N% x6 y% `> to a printed circuit board with header connector.
3 D( @# r: I: n0 w& G: P$ D3 t0 \ >
: t; D9 X4 G3 J8 O( _/ g > At this time, we are interested in samples of a pair of modems that
* W$ n0 ~. h6 j+ N6 v$ G> might be similar to this proposed system. We do not expect that you
! N% a: v' _0 N7 t> provide all of these specifications at this time. I can describe our
( k! p4 |1 o: ~ > immediate application needs in the next email if this project is of
( H1 P! e( |0 t > interest to you. Perhaps you can make the samples by those
# Y$ D5 M0 T+ T > specifications. This will allow us to test your radios before we move
4 g* | G Z. y5 |/ O5 J > forward. We are interested in your 900MHz radio to start.
% X7 G" F% _3 r
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