|
|
. P3 Y* m! [# O, R客户要求如下，如果哪家工厂可以做，请和我联系
2 ^6 M0 d0 _% I" J& K) Y4 e) R% Q
> The application that we have in mind is similar to others that we commonly
. O2 s" E D+ N9 ^" A4 W& s$ [! n5 k+ o> have. If we were to pay for FCC approval, we would want to use the modem
, A, J9 C' T1 r4 n; n: j> units in all similar applications under the same approval number.
' Q9 r. A3 z. L) V$ P y6 U
> Therefore, we would like to be able to configure the units to a specific
; H% k3 K( M4 |* A* q/ a
> application. For the business that we do, this approach will yield more
3 o+ @5 O* }# v> sales based on the same product and approval. We are interested in the
( J; @+ {7 S/ ~. ~: V
> following specifications:
5 y# k1 a7 I: b# Q% e>
1 T, M) z S4 m' D" J; }, ?. d
> - 2 inputs at the Transmitter with three possibilities;
( \ N* F- t5 a6 f: ]0 F> 2 analog
# i7 _) x p, t& A2 p* J
> 2 digital
+ ?% n7 f9 Y0 w4 b& ^> 1 analog and 1 digital
8 b8 R' J" _8 E V+ V6 X, s
>
0 }1 E& I% o" g% G: d" v* J> - 2 outputs at the Receiver with three possibilities to match inputs
8 A. \2 ^ v2 N, X9 d
>
* f. {4 L, V8 }: U7 v
> - Ability to configure/define analog Transmitter input ranges through
, o% j* ~) }8 t+ Q. b/ g> simple programming method to correspond with full-range analog Receiver
; Z+ h8 Q" `6 p
> outputs (0 - full voltage).
9 n+ d5 h( C, n8 U0 J
>
" B6 b' v2 x* C1 R% w2 S7 C+ }, y> - Ability to configure and set sample rates for the inputs.
2 u# C" ?4 [7 Z$ Y z7 Y! I>
! _( n: _7 I- B* U9 W V4 j> - Digital output on Transmitter that turns on during the sampling period.
( ~ C2 c/ [9 C6 D
>
2 Y, |7 C& w' c7 n% ^2 j> - Ability to configure a power saving Sleep Mode in the Transmitter by
# x) d5 s: N# ]0 E( H5 e
> both software control and input hardware control.
1 T0 `' O0 V/ j) b>
5 [/ V& A* M4 R
> In order to configure the units, we would need a way to make the
% T' q" w* y1 @9 V% ^, m1 W
> settings. This would preferably be from a computer terminal so that
7 v, j' r- \. V3 @$ E6 U
> configurations can be saved or easily duplicated for production volumes.
! v- S; C* g4 [$ w( {4 D> The units should be small and compact with shielding, and able to mount
& l9 z. i: ]- q3 d- |
> to a printed circuit board with header connector.
2 ^- t7 q$ d% T& o6 v) L>
2 g# T6 Z4 `$ T4 d0 S% Y
> At this time, we are interested in samples of a pair of modems that
( D) z; H9 l7 E4 V
> might be similar to this proposed system. We do not expect that you
6 k* [: c/ |0 l. ?# }
> provide all of these specifications at this time. I can describe our
' R2 ~7 i2 c4 @ J% A3 j7 g( E D
> immediate application needs in the next email if this project is of
4 O0 K! y" m& W, C> interest to you. Perhaps you can make the samples by those
3 t7 L+ i7 |/ h1 s) a6 L
> specifications. This will allow us to test your radios before we move
- V& K/ O2 H7 j! y# J
> forward. We are interested in your 900MHz radio to start.
9 c6 l- ~7 j/ ?- b2 T* m! k
|
|
IP卡
狗仔卡
发表于 2007-5-27 20:29:37
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡