|
|
6 D& }7 @, V3 N3 ^0 Q
客户要求如下，如果哪家工厂可以做，请和我联系
; q7 k: `! u1 Y8 S/ ]$ H> The application that we have in mind is similar to others that we commonly
- d7 [$ D7 W. V9 \& w2 T
> have. If we were to pay for FCC approval, we would want to use the modem
4 Y% x% j1 d" c( x) N> units in all similar applications under the same approval number.
' ^) \/ H1 k y> Therefore, we would like to be able to configure the units to a specific
: l3 m3 f9 O" r3 ]: J
> application. For the business that we do, this approach will yield more
0 |' v* m8 F) ?$ c
> sales based on the same product and approval. We are interested in the
- @- v, l1 y [* o0 v) ]> following specifications:
/ X, ^ E; B/ D* v: A# B& k>
0 f) O( A8 s& D8 M
> - 2 inputs at the Transmitter with three possibilities;
0 [: q! B6 N7 ] Q, H! [7 M# ]0 F1 a% y> 2 analog
5 O4 T' H4 A' p7 \" J> 2 digital
! q( f. X I: |# ?1 @+ M4 L" I ~
> 1 analog and 1 digital
2 C" ]- w) [+ u4 t7 d, U
>
- {! J! E7 j1 Q8 @# c9 D
> - 2 outputs at the Receiver with three possibilities to match inputs
3 f, V7 f! Q* u. Z% O9 X: n: I>
+ E9 P& Y1 U6 b( v> - Ability to configure/define analog Transmitter input ranges through
$ g( [+ t9 k$ v8 a' o
> simple programming method to correspond with full-range analog Receiver
" K/ z/ L. p8 B8 l
> outputs (0 - full voltage).
1 @7 R8 W. o1 R: q% d: ?>
% P! H9 P) ]5 r! P6 ^
> - Ability to configure and set sample rates for the inputs.
* l f* g8 A* C7 U8 C0 V* w
>
d& h9 c5 F7 ~# [: P" m2 g& ~> - Digital output on Transmitter that turns on during the sampling period.
" m2 B& N; Q" z2 Z$ i" R
>
. H+ p( ~$ M% M) b> - Ability to configure a power saving Sleep Mode in the Transmitter by
" {0 V4 w: W6 s/ ~* M# d
> both software control and input hardware control.
' N+ G# M8 o6 w# m* H8 {
>
* f. x+ A: ]. i8 [4 @) `
> In order to configure the units, we would need a way to make the
( z2 \; ]% [% L4 `7 ?* ?/ X
> settings. This would preferably be from a computer terminal so that
" @9 o ]( s* Q
> configurations can be saved or easily duplicated for production volumes.
0 B6 m0 L) E3 `: D
> The units should be small and compact with shielding, and able to mount
8 R! M* g% B t$ e( \
> to a printed circuit board with header connector.
, ~( o: Y3 m% F: _1 V
>
. Q: K7 R8 m! e% [: V
> At this time, we are interested in samples of a pair of modems that
5 @* Z& f& y/ O4 S7 ^
> might be similar to this proposed system. We do not expect that you
4 v q Y# m: S: o> provide all of these specifications at this time. I can describe our
/ u# ?6 O+ `1 m' M m' D8 i> immediate application needs in the next email if this project is of
- B8 h h" u3 Q* c1 ?& L# p> interest to you. Perhaps you can make the samples by those
# Z. N3 s: m# }> specifications. This will allow us to test your radios before we move
2 e2 I, ^7 |- A! U
> forward. We are interested in your 900MHz radio to start.
/ z1 b. x- F0 ~ |
|
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