|
|
; l" \7 X2 n Z" [$ a. K( e% b客户要求如下,如果哪家工厂可以做,请和我联系
2 X3 `7 V- Y A) |+ J> The application that we have in mind is similar to others that we commonly , x3 P. S; w& k6 L' T8 \
> have. If we were to pay for FCC approval, we would want to use the modem ) w, s8 o+ ]0 i! ~9 }( ~; p& r. X
> units in all similar applications under the same approval number. ( w4 p+ L( m$ y* V* ~' S' O
> Therefore, we would like to be able to configure the units to a specific - \& X/ c! ]% a! e0 X
> application. For the business that we do, this approach will yield more [# M3 s) r* G- `+ x' r' N
> sales based on the same product and approval. We are interested in the ' l; F) W; t2 r( u8 j
> following specifications: ; X+ _. Q( ]! X9 t& S3 L
>
6 j3 i, P X# O8 s2 w' ?3 ~: \8 [* H3 M> - 2 inputs at the Transmitter with three possibilities;
1 b7 s: |4 R1 N0 Q> 2 analog * R' Q; w N& P) F' ^
> 2 digital $ Y1 b# O- ?; L" }7 d; \: \
> 1 analog and 1 digital 1 l# B- C4 D# L5 M' `# ^
> 6 K" A# F$ Z$ v6 ]; M# R& }1 K
> - 2 outputs at the Receiver with three possibilities to match inputs
% i7 q9 F) U: j+ l; h( X> $ Y+ \8 l+ n: w0 P A
> - Ability to configure/define analog Transmitter input ranges through
* D2 D; |# M4 | z+ W2 i2 D! S" z> simple programming method to correspond with full-range analog Receiver / j+ p! c. w) l6 f" i* P
> outputs (0 - full voltage).
' t6 v2 V$ n9 ~>
- u7 I: \$ W r" J> - Ability to configure and set sample rates for the inputs.
, o9 _& u8 L& e; \6 p$ l) k& {> - S6 X# n% a4 A
> - Digital output on Transmitter that turns on during the sampling period. : u* ` H7 A% P i( M! y# h
>
" b/ I0 L7 _ Y( Q' g> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 J3 @4 J) M5 [6 u> both software control and input hardware control.
' s& n5 N3 f x>
+ n$ F1 X7 o: ?# Q7 a> In order to configure the units, we would need a way to make the
3 Z2 B6 ]# s8 L) b. `4 ?8 B8 Z6 X> settings. This would preferably be from a computer terminal so that
* `$ I# e$ b* e( B+ h1 S> configurations can be saved or easily duplicated for production volumes.
( I. _& a7 k: d9 v> The units should be small and compact with shielding, and able to mount 5 c6 r* a# M$ d& U# J! G% o0 a
> to a printed circuit board with header connector. * u6 a6 f% V6 j' @0 t5 d# w; w
>
3 q7 h. v6 Y6 P" b7 f! ?> At this time, we are interested in samples of a pair of modems that ! q" y" l7 w6 u9 p" N5 ` ~
> might be similar to this proposed system. We do not expect that you + H' E. l; t3 N
> provide all of these specifications at this time. I can describe our 0 Y% v( u' K+ |$ y+ v7 I
> immediate application needs in the next email if this project is of
% E$ X2 X7 m2 ~" l! E: v- M# G1 R> interest to you. Perhaps you can make the samples by those 3 R' t }" a+ h1 h# |; d
> specifications. This will allow us to test your radios before we move * f0 e. [( Y) E9 f0 m( ]6 x$ q! X
> forward. We are interested in your 900MHz radio to start. & A$ U8 q& v) o0 U8 L
|
|