|
|
# B( ^' M8 m- l, [
客户要求如下，如果哪家工厂可以做，请和我联系
, S: M1 m( @ @# T
> The application that we have in mind is similar to others that we commonly
: {: }$ V" |# {4 @
> have. If we were to pay for FCC approval, we would want to use the modem
4 h" D1 P* p) @$ X2 ~) @> units in all similar applications under the same approval number.
/ D$ h" Z) d% l* J* V! n9 F# }
> Therefore, we would like to be able to configure the units to a specific
* H* z; \( O2 p3 r& @8 `5 ]> application. For the business that we do, this approach will yield more
0 G4 z9 S4 f# i. r. X
> sales based on the same product and approval. We are interested in the
; w7 I. g5 g- |# d; C, v% j! g> following specifications:
4 V* ~/ e$ C" J. o% k; N
>
v. J$ N* U; m& ?: {0 U: r
> - 2 inputs at the Transmitter with three possibilities;
6 e; u0 h& D5 M* W4 k7 c4 Q> 2 analog
6 h+ C' p2 G8 [9 Y7 M& ^> 2 digital
3 p" w- a Q- V" }+ A> 1 analog and 1 digital
$ C: M+ p: d0 {
>
- |8 O. A+ g/ M. v* u4 @5 d> - 2 outputs at the Receiver with three possibilities to match inputs
: j6 ~3 U2 \) R2 I) \) N>
/ ~# O& u9 U+ O" `4 q; k8 F
> - Ability to configure/define analog Transmitter input ranges through
2 H) q, V" z2 ] Z. Z/ a2 U> simple programming method to correspond with full-range analog Receiver
' V3 ?- K7 T- ?% _# m' m
> outputs (0 - full voltage).
1 m6 F" o) x2 L& _1 m, t* g
>
( [9 a) f I$ r) h3 h> - Ability to configure and set sample rates for the inputs.
) \2 v0 x" C+ M8 K>
( K& T2 j# H7 J- Z. P$ E. o
> - Digital output on Transmitter that turns on during the sampling period.
! |8 N- I- S2 S5 p& S4 w) V>
6 v2 ~/ i+ j6 P5 F> - Ability to configure a power saving Sleep Mode in the Transmitter by
% Z% O P9 c; K. K/ c# f
> both software control and input hardware control.
8 H8 Y, _0 Q: R, m2 K$ k>
: S K h- A2 l/ l, L9 e/ b
> In order to configure the units, we would need a way to make the
' F1 g9 p9 J# c1 P, h( d> settings. This would preferably be from a computer terminal so that
5 _. F% }3 d4 j9 L' k; L> configurations can be saved or easily duplicated for production volumes.
5 `' F; |; D3 R/ [7 {/ l# r4 }
> The units should be small and compact with shielding, and able to mount
2 A" z2 \: |9 g$ D> to a printed circuit board with header connector.
) Q Q! d3 ]9 k, h& n- ]8 F
>
" ]% v$ h( d% \$ _% W7 x> At this time, we are interested in samples of a pair of modems that
8 V# ~+ `9 c3 t3 P g! H. f! p" ~2 s w> might be similar to this proposed system. We do not expect that you
# V2 V- o0 L$ {, U> provide all of these specifications at this time. I can describe our
% t4 ^+ I% X, W> immediate application needs in the next email if this project is of
% N8 l. O) }$ S9 P7 f* _4 t/ M
> interest to you. Perhaps you can make the samples by those
9 z) B* n; h1 f! }, M
> specifications. This will allow us to test your radios before we move
, w) G+ ]0 g) v- S> forward. We are interested in your 900MHz radio to start.
6 A& r+ y0 n5 h1 `, I9 {0 C
|
|
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