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; s- y3 I% C7 c- Y& _客户要求如下,如果哪家工厂可以做,请和我联系 ' @5 M9 x d! A% X6 ]8 V6 o! o. R
> The application that we have in mind is similar to others that we commonly
$ N: Q/ \! o6 V3 N# f5 J> have. If we were to pay for FCC approval, we would want to use the modem : f9 t7 I( Y, T( S) V: m
> units in all similar applications under the same approval number. : Z3 x0 R7 R+ d
> Therefore, we would like to be able to configure the units to a specific
- n; ~; \) W& I> application. For the business that we do, this approach will yield more
, ^$ t8 s) `6 _+ @7 F7 d- _2 e> sales based on the same product and approval. We are interested in the ^9 _ ^0 [! a G
> following specifications:
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* r: H" w o. j> - 2 inputs at the Transmitter with three possibilities;
% E% x% s8 N1 i& e9 B9 p> 2 analog 0 t2 s" W1 g9 L6 c3 O6 i8 \
> 2 digital , ~7 h5 h0 n8 }* |; x3 Y8 A6 ?5 p; S
> 1 analog and 1 digital , Q6 @# A8 H, K* ~0 e) z
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> - 2 outputs at the Receiver with three possibilities to match inputs 1 l$ w' e: @6 R
>
0 e2 P1 _8 |/ T% B> - Ability to configure/define analog Transmitter input ranges through 9 D$ V) a. J6 x
> simple programming method to correspond with full-range analog Receiver
( w$ h$ g# B: v4 R' Q" G4 U. { O( @> outputs (0 - full voltage).
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> - Ability to configure and set sample rates for the inputs.
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- V; ]5 y$ \3 P# d& k% p9 `> - Digital output on Transmitter that turns on during the sampling period. 9 c* ^$ `0 T$ l1 K
> ( T* i* E/ X+ A- ]/ D" P
> - Ability to configure a power saving Sleep Mode in the Transmitter by
# h, z4 f# r p* z> both software control and input hardware control. . _6 @) u! Z k% R' w8 a
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> In order to configure the units, we would need a way to make the
+ O2 C/ v M4 ~1 g2 F5 Z) w2 b> settings. This would preferably be from a computer terminal so that . |: S0 Q0 s, b
> configurations can be saved or easily duplicated for production volumes. # [/ G* q8 G+ q
> The units should be small and compact with shielding, and able to mount , x7 w' \5 b! }& L1 ^
> to a printed circuit board with header connector. % {6 ]9 m6 T" X4 g0 n
> 9 w& @+ N, }; \
> At this time, we are interested in samples of a pair of modems that 7 s! x& |! T# p* n+ R8 G% m
> might be similar to this proposed system. We do not expect that you * x5 W' Z4 y/ h o8 D9 @' Q
> provide all of these specifications at this time. I can describe our 8 Z) g f7 }9 `: M. A! v- P
> immediate application needs in the next email if this project is of
0 P1 d4 u0 K# C# \5 A- T> interest to you. Perhaps you can make the samples by those $ Z. Y: \8 j! x0 h5 l! W/ g8 t
> specifications. This will allow us to test your radios before we move ( X0 r, b$ z: b1 s
> forward. We are interested in your 900MHz radio to start.
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