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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 z$ u! g- Z, V5 T 客户要求如下,如果哪家工厂可以做,请和我联系
" I7 T; t& b* M4 @' g* U# B > The application that we have in mind is similar to others that we commonly
$ ~' V& Q- O; U% w: S' f( C7 d> have. If we were to pay for FCC approval, we would want to use the modem
* w* W5 m, S+ x2 h9 R > units in all similar applications under the same approval number.
+ X" e5 F1 W. r" x8 ~" Y" G> Therefore, we would like to be able to configure the units to a specific
- D0 ]+ A5 T+ r! C( V: b& ?# b > application. For the business that we do, this approach will yield more
8 A/ S6 O' O7 V( i4 ^- [ > sales based on the same product and approval. We are interested in the
8 {5 T7 |6 ^" C; c7 s> following specifications:
7 l6 E T# {3 z>
- l9 |, b$ S3 h: L/ r6 g- b0 m > - 2 inputs at the Transmitter with three possibilities;
2 G: W6 m# S- Q3 D > 2 analog
& }6 n7 I6 ?) {> 2 digital
. z. O* Z2 |% A, N9 a) t. |! i$ t > 1 analog and 1 digital
: p0 ^8 I: ~8 A1 x6 C >
% y$ M0 _1 ~2 M g" ^" r! ^& r> - 2 outputs at the Receiver with three possibilities to match inputs
3 r. L6 k2 X9 c( f2 D# p$ S. Y3 ] >
4 F7 O+ T( ?1 N8 y* f1 P > - Ability to configure/define analog Transmitter input ranges through
: Q# J/ {$ D0 ?4 r( M1 o$ ]# ~8 P3 [+ I> simple programming method to correspond with full-range analog Receiver
. w8 N+ R; j5 Y% j1 ?; } > outputs (0 - full voltage).
; ]4 i" x, `: U! q% O0 h >
$ d7 J7 V; ~" N" d" t) g > - Ability to configure and set sample rates for the inputs.
7 l! G3 M+ U/ d& C/ Z5 V6 M>
" p. H2 v" B) m/ {. Y> - Digital output on Transmitter that turns on during the sampling period.
# O# k# _: U8 W1 n: T" Q4 @>
, x. J" Y: P5 L- ^$ Y2 l5 c > - Ability to configure a power saving Sleep Mode in the Transmitter by
* o, `3 ?* Y0 ?( S/ [5 b7 a( M > both software control and input hardware control.
3 c( c. h, x! x. C0 m( i: K4 W0 U >
4 ?7 G- v, l: I4 c& A6 G6 c> In order to configure the units, we would need a way to make the
1 \- j) o: T0 Z0 L2 r- D0 a > settings. This would preferably be from a computer terminal so that
, Y5 y% t h8 e/ X2 ^> configurations can be saved or easily duplicated for production volumes.
0 D5 Q" m, h. M+ @$ m9 c1 h> The units should be small and compact with shielding, and able to mount
# A* Q! C9 w/ E/ K( o* s/ q > to a printed circuit board with header connector.
5 O, U* c" ?. K$ j8 q>
6 `% b E, n0 t3 r% l2 g> At this time, we are interested in samples of a pair of modems that
/ O7 O- C2 o& }3 @, g > might be similar to this proposed system. We do not expect that you
/ u1 U1 n$ c3 ]/ \6 ^9 K> provide all of these specifications at this time. I can describe our
! X- [, x' B, w* `% o; Q% R> immediate application needs in the next email if this project is of
" e9 ?) F6 o" S$ V+ M> interest to you. Perhaps you can make the samples by those
|4 Q1 L3 i- P. F% L, k. I > specifications. This will allow us to test your radios before we move
6 S& w9 u+ P C> forward. We are interested in your 900MHz radio to start.
0 D; c: f- G7 o3 Z( A1 e$ j
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