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9 P( _7 s5 `' X( t0 j: D' |; d客户要求如下,如果哪家工厂可以做,请和我联系
6 p5 {9 X* q' y- a$ f' l> The application that we have in mind is similar to others that we commonly 9 m8 @! T8 r7 Z% ^
> have. If we were to pay for FCC approval, we would want to use the modem
0 a4 _; }) L2 P0 j& G" a> units in all similar applications under the same approval number. : v- X6 F# n6 c
> Therefore, we would like to be able to configure the units to a specific
$ R0 @- o. Q; q' i* ?! j9 P1 Z> application. For the business that we do, this approach will yield more
* i& }! L+ [7 g! G$ p! V2 `# e> sales based on the same product and approval. We are interested in the 7 a3 |1 ^, a4 v* C
> following specifications: ) x: _) L/ W- L0 Q
>
0 \. k9 x" m I1 m- M, g; L/ R> - 2 inputs at the Transmitter with three possibilities;
+ w4 E3 A4 o1 L% p> 2 analog * t# m( [5 W3 ^( M( H, B$ I0 w9 O
> 2 digital
. h% b8 B8 F" e" i/ j> 1 analog and 1 digital 3 N! a; R7 i. J/ R, Q
>
2 p6 u! Z9 U I1 W2 }> - 2 outputs at the Receiver with three possibilities to match inputs
3 p% E$ Q0 U8 d& C: N- ^5 R5 p> ' y5 F. v" e! o, F5 G, f
> - Ability to configure/define analog Transmitter input ranges through 2 |6 e$ \4 J' E
> simple programming method to correspond with full-range analog Receiver 1 h" U: v1 C9 Z7 A0 @$ n
> outputs (0 - full voltage). , l8 ]; D5 q2 M, E3 Z6 `
>
3 ]; O7 _# v4 r5 `> - Ability to configure and set sample rates for the inputs.
5 _) N4 a1 T7 O$ L- j0 a> 2 q0 g/ ]7 f N8 C* L% e. ^: K
> - Digital output on Transmitter that turns on during the sampling period. 0 j% z- S% S1 Q- Q% N4 x
>
- L7 p$ b/ @" ]8 k> - Ability to configure a power saving Sleep Mode in the Transmitter by 0 n$ ]7 p( x' @6 {
> both software control and input hardware control.
# S3 }8 [ o8 l$ t) y+ E> & c) s/ i% F3 L3 b& ]- _
> In order to configure the units, we would need a way to make the
8 Y' O0 J! M8 v& f- }# g# g( A> settings. This would preferably be from a computer terminal so that , M% X! s5 B. x( [2 \
> configurations can be saved or easily duplicated for production volumes. 4 R1 i3 Y) I7 Y/ T8 [
> The units should be small and compact with shielding, and able to mount 8 G+ x4 I' e( A- |" g t: ?
> to a printed circuit board with header connector.
: I Q8 N( l7 q>
5 {3 `. L. g. E( f' k8 a, |> At this time, we are interested in samples of a pair of modems that * f& i) c# G. Z
> might be similar to this proposed system. We do not expect that you / X, Q# [. e# B7 t+ |$ t& {
> provide all of these specifications at this time. I can describe our
. \! b( \" k! \8 ?4 S> immediate application needs in the next email if this project is of
, B" d$ u \4 E" i( p: h- v! S> interest to you. Perhaps you can make the samples by those
f3 [: N- j' v" @/ ~> specifications. This will allow us to test your radios before we move * T7 T! J/ F1 O* p3 k& ^- p
> forward. We are interested in your 900MHz radio to start.
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