|
|
: M4 _/ b% @- v" v# K客户要求如下，如果哪家工厂可以做，请和我联系
, [1 q7 | \% E
> The application that we have in mind is similar to others that we commonly
. X- a; {% {/ z! H% Z# v> have. If we were to pay for FCC approval, we would want to use the modem
( D( W0 ]% Q& z/ V
> units in all similar applications under the same approval number.
" Y" S; Z! o7 d8 `9 t4 x2 w6 T0 W> Therefore, we would like to be able to configure the units to a specific
! L6 ?" o9 z- k; e. ~: t% R: X9 J3 ?6 Y> application. For the business that we do, this approach will yield more
6 J) p! y W9 B8 F1 B
> sales based on the same product and approval. We are interested in the
7 ^1 A6 m. ?5 H4 J
> following specifications:
) k3 a- g/ I" Z* m1 U
>
9 Z; n1 W4 `: }! p" F8 Z- X E D
> - 2 inputs at the Transmitter with three possibilities;
: n1 F$ K4 ?' @! q* o( e8 o# P) I% `> 2 analog
" Q0 ~. J6 k4 u) M/ h7 T> 2 digital
' x5 D8 U' s' F) C6 V- Y0 ?* h! e- i
> 1 analog and 1 digital
& S2 C7 f) D; Y8 s6 K: W
>
, d0 q5 @2 A1 j. X! i0 c: U u> - 2 outputs at the Receiver with three possibilities to match inputs
$ ]/ i1 G K5 t) ?, ]
>
, z% ~. C# U1 C2 H5 k5 o/ j1 P7 \, O> - Ability to configure/define analog Transmitter input ranges through
0 w4 k: z) _ b! \( w% i
> simple programming method to correspond with full-range analog Receiver
3 p. c0 Y7 q& G9 G$ \4 f4 L6 I; u> outputs (0 - full voltage).
; q) i& F0 D' A& F0 I6 y; z
>
8 V) S* V% D' O6 k; |1 a7 {. [: h> - Ability to configure and set sample rates for the inputs.
8 D" K4 w6 @- o' d% A0 l% a
>
2 ]( W% H! S2 B4 P+ g( s2 n2 H
> - Digital output on Transmitter that turns on during the sampling period.
e+ n) u; y7 I& M
>
2 y# H$ ]2 T0 p5 j- }6 [
> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ b& m, ~3 H. _+ e" I- v v> both software control and input hardware control.
% ]- U" j6 Q7 v: y
>
0 i1 n- K/ w2 }7 [3 h+ h> In order to configure the units, we would need a way to make the
6 j8 N' ^, V! o. z9 v2 m
> settings. This would preferably be from a computer terminal so that
& d" o( A. `4 J0 M" r' m7 e: Y" W
> configurations can be saved or easily duplicated for production volumes.
4 ]& c3 x' E9 c> The units should be small and compact with shielding, and able to mount
' F0 \4 Q! }3 I
> to a printed circuit board with header connector.
% V; M: G3 k4 W1 T* |
>
; E6 q! K8 j2 R! G( \8 s
> At this time, we are interested in samples of a pair of modems that
" [ P2 d+ x: E. k6 y> might be similar to this proposed system. We do not expect that you
2 [7 a' E8 G3 c! T. z- S> provide all of these specifications at this time. I can describe our
( Q; ?. a" s5 F! r> immediate application needs in the next email if this project is of
! e i9 D! J6 {
> interest to you. Perhaps you can make the samples by those
( W: X a2 I4 N! k0 Z2 B7 P2 ?2 w. @
> specifications. This will allow us to test your radios before we move
+ G1 S5 E# F6 `> forward. We are interested in your 900MHz radio to start.
( m4 T/ x4 u1 o5 _ |
|
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