|
|
9 W; ~0 c# B5 \) u6 H
客户要求如下，如果哪家工厂可以做，请和我联系
# l4 B6 C# r) v> The application that we have in mind is similar to others that we commonly
. M3 c$ }6 H# m, P. L4 ?! F( s
> have. If we were to pay for FCC approval, we would want to use the modem
2 x* T2 K% Y% f8 e> units in all similar applications under the same approval number.
+ \& U5 W: k' c; \7 _/ |) l> Therefore, we would like to be able to configure the units to a specific
! t# F" n* X( |) n4 m3 Z
> application. For the business that we do, this approach will yield more
' O; Q9 G1 V; L9 Z4 W> sales based on the same product and approval. We are interested in the
# G# ^* _. P6 K+ y> following specifications:
' B9 w" |( ^4 [& |& l/ T2 L
>
" w- ?1 s* a7 d3 k/ E
> - 2 inputs at the Transmitter with three possibilities;
4 S- b1 m9 e3 d- U3 K
> 2 analog
! E/ L: b7 F0 K) ^> 2 digital
1 [# l- _4 A7 b2 S5 \( z" u> 1 analog and 1 digital
7 ^7 c+ f0 o( N8 d>
; D, N+ q/ D8 q2 n# M R> - 2 outputs at the Receiver with three possibilities to match inputs
0 J$ v3 K( \2 ^" ]; Y' D>
: T: u0 }) S$ `) y5 u; |9 z> - Ability to configure/define analog Transmitter input ranges through
+ W5 G0 y" y2 l; ^0 `; \: n
> simple programming method to correspond with full-range analog Receiver
7 B( U7 t2 Z9 ^4 R5 Y2 p6 E
> outputs (0 - full voltage).
3 F9 B) R; X/ \7 X1 r>
& o" c, @, ^; r* ~
> - Ability to configure and set sample rates for the inputs.
% T1 ^8 Q1 ~+ l
>
/ W9 T) T2 V: M" C8 w
> - Digital output on Transmitter that turns on during the sampling period.
8 C6 I& X3 T0 s. R; W6 {
>
3 F4 }! j d- r! l, t/ m5 J! Q
> - Ability to configure a power saving Sleep Mode in the Transmitter by
, s2 m; {0 x1 A6 T
> both software control and input hardware control.
4 J7 }% S' f$ f/ x4 B3 ]2 `>
3 C, B6 p: G |# J+ V X, k8 t> In order to configure the units, we would need a way to make the
& R8 X# b5 Q2 y i6 K> settings. This would preferably be from a computer terminal so that
! p/ X+ { i6 O& @9 L5 u> configurations can be saved or easily duplicated for production volumes.
4 e8 Y: B) }9 S) R8 ~; C
> The units should be small and compact with shielding, and able to mount
. j" }; I$ W: m; z( X
> to a printed circuit board with header connector.
# S% r7 A$ w5 P7 Z- g# A2 W
>
/ A& _1 T; N) ~) ?+ q. I6 `
> At this time, we are interested in samples of a pair of modems that
$ |' u4 S* h. |. l r8 @: V> might be similar to this proposed system. We do not expect that you
; M2 o! O1 m8 ]/ d% g( ~2 L" y- V6 a9 [> provide all of these specifications at this time. I can describe our
, l Y" O& M6 P- G; q" k8 s1 _& }) J> immediate application needs in the next email if this project is of
; o( Z5 J0 N: s7 n% T
> interest to you. Perhaps you can make the samples by those
& i7 R2 X! S2 A# j' y8 _ k> specifications. This will allow us to test your radios before we move
5 N# q" x. P( T; s> forward. We are interested in your 900MHz radio to start.
( v' i9 P& L/ I' o) b2 ?
|
|
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