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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

# d' |& l: B; T$ p 客户要求如下,如果哪家工厂可以做,请和我联系
9 @4 V7 T' K( K8 f> The application that we have in mind is similar to others that we commonly
; T+ P1 C4 p8 R, V5 S% ]) f> have. If we were to pay for FCC approval, we would want to use the modem
$ z0 i" ^/ K* k) Q- F8 I> units in all similar applications under the same approval number.
0 {6 F. l7 F6 b# B6 F( y > Therefore, we would like to be able to configure the units to a specific
6 g, Q% G' a1 u+ d* R2 f- } > application. For the business that we do, this approach will yield more
1 |" E9 ?7 o8 [$ |> sales based on the same product and approval. We are interested in the
4 A! U0 D3 {" A) \4 D$ |0 R) S" I > following specifications:
( m; r; v! z8 ^: g >
! z1 T7 e/ O0 v4 h2 r7 q > - 2 inputs at the Transmitter with three possibilities;
/ \" J4 ~- K/ ^2 a6 \* j > 2 analog
9 Q r' e0 n; C& t) K* E > 2 digital
% i7 u, E- `" ]7 Z8 n> 1 analog and 1 digital
# T6 K9 c3 Q) H3 o% }>
/ w) I* g6 C$ ?# o1 z> - 2 outputs at the Receiver with three possibilities to match inputs
8 p- y* x8 N6 c! ~. \ >
1 `9 ?1 k v' s, I > - Ability to configure/define analog Transmitter input ranges through
. J1 N* q3 q& H$ o, b2 }> simple programming method to correspond with full-range analog Receiver
& E; u: I7 }( E. y+ x* B' m% H> outputs (0 - full voltage).
7 k' v0 \. \ q/ W, w>
' W- @) m$ ~% ] Y> - Ability to configure and set sample rates for the inputs.
! {% M; [! ?! f: v6 y>
9 r2 r) \' r( P& E0 X> - Digital output on Transmitter that turns on during the sampling period.
7 P7 g* r% e% h$ C>
u8 ^) z0 ~, Y$ w8 t> - Ability to configure a power saving Sleep Mode in the Transmitter by
& g, O" l& E$ r0 O> both software control and input hardware control.
/ M& e" j$ B U>
$ U5 k% \* D% @6 p/ ~3 a> In order to configure the units, we would need a way to make the
: z; Z7 d) _" I1 U> settings. This would preferably be from a computer terminal so that
( P% M) p, d0 n0 E# }- P9 O# z> configurations can be saved or easily duplicated for production volumes.
, R }% W& U7 h% i+ ?$ V7 m, ?: E# f! J> The units should be small and compact with shielding, and able to mount
" A7 m: D+ U2 J# `/ {9 j > to a printed circuit board with header connector.
9 i) P- w7 {9 }, i/ n# o$ @>
9 w; X) |9 V5 f7 G3 }( h" R > At this time, we are interested in samples of a pair of modems that
3 `; m! M# L7 H% r+ ^# |/ p > might be similar to this proposed system. We do not expect that you
- O( k3 I3 A9 _4 S> provide all of these specifications at this time. I can describe our
# ]4 e' U/ K0 G _/ A: l3 {> immediate application needs in the next email if this project is of
+ |/ _' c) q6 ]% c- M' { > interest to you. Perhaps you can make the samples by those
( n$ r9 y( @& d& h: b4 w> specifications. This will allow us to test your radios before we move
1 i) Z6 z% n- w6 H( U. B > forward. We are interested in your 900MHz radio to start.
7 |' M/ n p! H3 ?
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