|
|
+ K: M; P5 u7 z- J! p# H/ U客户要求如下,如果哪家工厂可以做,请和我联系 / P' o2 h( S [% c' D$ c
> The application that we have in mind is similar to others that we commonly
1 B! u; Q9 V3 T" [; f> have. If we were to pay for FCC approval, we would want to use the modem
# ?5 r8 p; H2 e5 M8 F- ~9 ^> units in all similar applications under the same approval number.
4 V8 t; n* Y, F> Therefore, we would like to be able to configure the units to a specific - W! O3 _3 \# Y z
> application. For the business that we do, this approach will yield more
( I: U3 k" q+ g* Z1 q6 \> sales based on the same product and approval. We are interested in the . V# C( e4 q8 \4 t. m+ ]0 F) g
> following specifications: 4 i6 @, e+ O& b# U
>
+ m5 h! W1 m) h1 r7 l$ o) }, }> - 2 inputs at the Transmitter with three possibilities;
6 K' W4 j6 g* C! H> 2 analog
# Q/ [) q* I8 F g- B> 2 digital 2 @7 y, P o- q! `( W5 ?2 t2 T
> 1 analog and 1 digital ' {/ Y2 k) E# B4 S) f8 Q$ o
> . n `5 C0 U U* @6 x; m( E E
> - 2 outputs at the Receiver with three possibilities to match inputs
0 t% D$ |5 i K7 Z& t! H6 a% s>
2 p7 O0 }, B& g! Y> - Ability to configure/define analog Transmitter input ranges through $ f. h( j! t5 M4 W
> simple programming method to correspond with full-range analog Receiver
6 ^, t' [0 t4 G u> outputs (0 - full voltage). 1 v7 f8 R' g8 x# {$ e
> 6 {$ I, I' j. M3 L) N! l
> - Ability to configure and set sample rates for the inputs. & _: h( F2 m% }$ |2 ^5 F+ o0 \$ U
>
% p1 R$ A/ \. E, M, s3 I8 m> - Digital output on Transmitter that turns on during the sampling period.
' L* F( E; [* ]3 u6 c' K. A/ [) c> 8 v5 _4 K$ I& |+ a
> - Ability to configure a power saving Sleep Mode in the Transmitter by ' u& N, V1 Z$ k: p* ` V
> both software control and input hardware control. & l3 \; a4 T6 K% S4 T8 k4 n
>
+ B* f( ^# G& [4 {- j6 \1 u3 r" V> In order to configure the units, we would need a way to make the
, W! a8 }+ b- U> settings. This would preferably be from a computer terminal so that 4 _) U. N1 |! r% X6 q$ n7 c2 l
> configurations can be saved or easily duplicated for production volumes.
$ n( A$ E8 H' a# `> The units should be small and compact with shielding, and able to mount ( i9 p/ ^( I+ m6 H/ D9 t) Z& ~
> to a printed circuit board with header connector.
% t; v; n5 X/ c: H0 d: C>
" y) w+ s/ ^1 x8 U6 J: Q> At this time, we are interested in samples of a pair of modems that
' Y% b1 F. z0 T1 [2 O> might be similar to this proposed system. We do not expect that you
' ~9 ]% G9 M' j7 M( o) w5 c> provide all of these specifications at this time. I can describe our 6 R" r+ j3 g6 f
> immediate application needs in the next email if this project is of / b# v& L% D- F* Q, y
> interest to you. Perhaps you can make the samples by those
) y2 T$ L, T8 J: R; ]4 ]; x; {8 Z> specifications. This will allow us to test your radios before we move
y+ R( P9 k( j5 D4 h$ y# t8 w> forward. We are interested in your 900MHz radio to start.
# I o" b5 O5 c( N; b* s+ R7 [- b |
|