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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

) y: |1 w @) v; J% E8 {3 y 客户要求如下,如果哪家工厂可以做,请和我联系
+ F* T0 }# ?) z5 g7 ?- S> The application that we have in mind is similar to others that we commonly
4 p0 o4 B' c7 u( b0 t: M: U- I8 ] > have. If we were to pay for FCC approval, we would want to use the modem
1 [4 L9 o4 T5 Y$ R- G7 n" L5 ~> units in all similar applications under the same approval number.
/ m, }- W( C: y# V# v* l > Therefore, we would like to be able to configure the units to a specific
) R, f4 E2 e* a) C7 I4 I> application. For the business that we do, this approach will yield more
/ [6 m8 Q. k3 D( Q3 U > sales based on the same product and approval. We are interested in the
6 y' n; m) \, g9 j3 C' E > following specifications:
" C0 w$ q& N8 T, y3 {>
" \* f. b e; Z/ E p0 e/ Y8 \7 p2 ] > - 2 inputs at the Transmitter with three possibilities;
; t6 I4 Y: t' Y! l& r! Y > 2 analog
' {( `7 s) j6 Z/ z > 2 digital
6 \* E0 _9 F2 N> 1 analog and 1 digital
0 O# v% ~* R* r, b/ P>
. i, @4 p9 c: V+ }& k/ p > - 2 outputs at the Receiver with three possibilities to match inputs
/ p$ `4 l |4 P9 [$ a6 `0 F >
! D; { x6 t0 h! N > - Ability to configure/define analog Transmitter input ranges through
$ t5 b% Z/ o+ `' w" t o& K> simple programming method to correspond with full-range analog Receiver
; B, b' r! S: a# O: j > outputs (0 - full voltage).
$ @/ S$ x# T- r- J& X( B>
2 w$ [+ L* y6 l" o* D8 @6 K > - Ability to configure and set sample rates for the inputs.
0 j9 l; T2 V; R >
+ j6 p8 s( }) \; k > - Digital output on Transmitter that turns on during the sampling period.
' P) g; z; C/ e2 I6 C>
1 @& I% C3 q+ y* f4 [> - Ability to configure a power saving Sleep Mode in the Transmitter by
- M" s+ u. ^0 w: }+ X1 W' p> both software control and input hardware control.
* N% G- e. N% a( N- W/ \* H >
! G8 h+ l1 Z6 V$ u- ^ > In order to configure the units, we would need a way to make the
& e; _% r) L# k: z' G* p/ l# ^, d> settings. This would preferably be from a computer terminal so that
( p0 O) Q2 p9 D$ Z > configurations can be saved or easily duplicated for production volumes.
1 D# ]8 H2 h4 d7 o/ l/ u2 w: w2 F& P. V > The units should be small and compact with shielding, and able to mount
( u# t. u/ s! m7 c> to a printed circuit board with header connector.
& ~/ z0 D5 {. }/ y& w>
( Y) @( G% u2 T# J5 n2 Y> At this time, we are interested in samples of a pair of modems that
, A: k! q' x+ b/ P- x > might be similar to this proposed system. We do not expect that you
. V c% Z9 x& c9 q/ x7 N+ d: t2 d O > provide all of these specifications at this time. I can describe our
5 k' l& w ~( Z2 ~4 U > immediate application needs in the next email if this project is of
/ @: W: ~( J" Q8 }* B> interest to you. Perhaps you can make the samples by those
& A7 @ ^) D: j2 Y* s > specifications. This will allow us to test your radios before we move
5 f. l/ w. F. P> forward. We are interested in your 900MHz radio to start.
( d( ?; k1 y9 P2 M! P3 W; ~6 h
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