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UM9559E
UM9559E - Brand New UMC IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Description
The UM9552 is a very long minority carrier lifetime (70 ms typical) PIN DIODE
that has been developed for low HF or LF Band Attenuator Applications. They
have been evaluated for attenuator linearity and distortion characteristics in
a Bridge Tee Attenuator Circuit at 455 KHz (the common intermediate frequency
for AM transmitters and receivers). When the UM9552’s are used as the two
variable resistors in the Bridged Tee Circuit, the Third Order Intermodulation
Products are below -60 dBc with 0 dBm input power over an attenuation range of
4 dB to 30 dB.
These thicker, longer lifetime PIN diodes exhibit a more linear forward biased
resistance (RS) vs forward bias current (If) relationship, which greatly
simplifies the design of the driver circuits that supply the bias currents
over the specified attenuation range. This task is simplified if the low
attenuation range is truncated and the few dB are compensated by commercially
available, inexpensive 4 to 6 dB gain blocks.
Features
● Low Frequency Attenuator
● HF/LF Band Operation
● Long Lifetime (70 ms typ.)
● Very Low Distortion (IP3 @ 455 KHz = < 60 dBm)
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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