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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

7 \: g# C4 J+ }6 ^+ G 客户要求如下,如果哪家工厂可以做,请和我联系
8 ]9 X0 g0 ]3 F: L& D> The application that we have in mind is similar to others that we commonly
" k/ a8 Z* y6 e8 f. ? > have. If we were to pay for FCC approval, we would want to use the modem
) Z/ K2 R8 Y" `: p9 _6 G& C> units in all similar applications under the same approval number.
; _5 Z) `7 Z0 @3 C B' P> Therefore, we would like to be able to configure the units to a specific
! q: r' U2 h1 ?- `2 n) l1 w> application. For the business that we do, this approach will yield more
! }" g% [7 B; |> sales based on the same product and approval. We are interested in the
0 u7 n+ i3 k. ]1 i( l' a> following specifications:
4 D# w$ M& c: w5 O9 ?& \ >
" D1 G+ u. ` H% R > - 2 inputs at the Transmitter with three possibilities;
; ^) F% s( l. V; y6 Q# {1 @> 2 analog
4 z8 t3 ~+ T/ |3 E* G- s0 o > 2 digital
# v/ z9 k2 T2 J/ F. V* `' \> 1 analog and 1 digital
( M1 M2 X) \0 M8 U9 `& h$ |2 k" |; w>
# f; ^+ L# \+ Z+ D! A7 y# F& A> - 2 outputs at the Receiver with three possibilities to match inputs
4 C2 ]( H, O5 w9 F" s. H3 O>
3 Q% b' A8 d2 k- U/ P$ d4 K" }) S% t> - Ability to configure/define analog Transmitter input ranges through
% ~ Z! t# m* T6 S > simple programming method to correspond with full-range analog Receiver
! h( L( n N: }+ U0 O+ A' H7 W* J> outputs (0 - full voltage).
, b4 D+ H8 J, k4 d# e: p >
1 Z# b; g9 \# j! R) o7 X/ p" r/ ^# e > - Ability to configure and set sample rates for the inputs.
& L' c3 [( A" g0 S: Q >
' p, W A( r+ Z' u3 C/ i7 e > - Digital output on Transmitter that turns on during the sampling period.
% _8 H. U/ j7 f( }; x1 V7 B0 I; ` >
1 R- B& [, D, h$ N* e. q > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 z8 r/ E) Z4 w" B) }. R1 X > both software control and input hardware control.
9 B! c% ^0 ?# C! j3 G$ G( Y >
C& b$ G5 O$ D2 b2 d% x+ x > In order to configure the units, we would need a way to make the
3 ^9 z6 l- s: t' R: V* M) s3 w > settings. This would preferably be from a computer terminal so that
/ o" r }6 y. Q > configurations can be saved or easily duplicated for production volumes.
% T- Q$ k( L, n. V> The units should be small and compact with shielding, and able to mount
) c& p: g3 L9 i3 {5 F, k$ e f% T > to a printed circuit board with header connector.
4 B( \( X, z- e: E3 n>
( W; y9 U0 P6 n- I' m" U( n3 i > At this time, we are interested in samples of a pair of modems that
' t& T$ |- O' t$ e& J> might be similar to this proposed system. We do not expect that you
) I$ l; J# \$ J, `5 R& ?# b" d> provide all of these specifications at this time. I can describe our
- C" \8 C" a) _$ x5 h1 f> immediate application needs in the next email if this project is of
* w7 W4 g6 b: p% p> interest to you. Perhaps you can make the samples by those
8 s' F% c* d$ j+ N' A9 a2 c > specifications. This will allow us to test your radios before we move
4 `/ }5 c' L/ w2 b$ ^9 U! s > forward. We are interested in your 900MHz radio to start.
, [) o+ x" b. ]
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