• RE: Question of HMC1190A VCC2 when unused IF2

    Hello,

    As you can see in Pin Description on page 20 and Table 2 on page 3, VCC2 is also VCO Supply voltage as well as VCC1. So 5V nominal voltage should be applied to VCC2 Pin.

    Thanks

    Tony

  • RE: Unused path pins connection of HMC1190A

    My customer is using only IF1P/N.

    So VCS2, IF2P/N, VBIASIF2, VGATE2, RF2, LOBIAS2, and RSV are all floated.

    However, PLL  is not locked.
    During debugging, when power is applied to VCC2, PLL lock is said to be locked.

    On the block diagram, VCO is expressed…

  • Question about RSV15 and RSV24 in HMC1190A

    The HMC1190A data sheet describes RSV15 and RSV24 as "Reserved. These pins are reserved for internal use; leave them floating."

    But, on the EVB schematic, it is as follows.
    1) RSV15: IF1EN => pull-down
    2) RSV24: IF2EN => pull-down, pull-up…

  • Maximum delay difference at IF out among HMC1190As

    Hello,

    Our customer uses 4pcs of  HMC1190As on a board. And there is some signal delay difference at IF out pin among those HMC1190As. The customer improved the delay difference but there is still it. So they would like to know estimated maximum delay…

  • How to use for synchronous operation of multiple HMC1190As

    Hello,

    Our customer would like to use multiple HMC1190As under synchronous output signal. The customer operates by following procedure. Do we need any additional operation or something other procedure for synchronizing multiple HMC1190As?

    1) Power on…

  • 请问HMC1190A芯片上电之后发热到烫手的程度是正常现象么?

    请问HMC1190A芯片上电之后发热到烫手的程度是正常现象么?我也是第一次调这款芯片,没看到芯片手册上说要在该芯片的外围电路上装散热装置。

  • Question about AD9642-250 input

    The customer wants to apply the HMC1190A output (IF1P / N) to the input (VIN +/-) of the AD9642-250.


    The customer wants to use differential BPF as below specification.
    Fc = 184.32MHZ
    BW = 100MHZ (114.32MHZ@-40dB / 254.32MHz@-40dB)

    How should I change…

  • RE: Serial port communication with HMC1190LP6GE using FT2232D and D2XX library

    Hi,

    For some time i have been trying to communicate with HMC1190A Eval Board with a simple C program and FTDI D2XX library. After following the HMC1190A datasheet time diagrams i succeeded in reading the REG 00 value (C7701A). My happiness lasted only…

  • TAGS LIST: RF and Microwave

    HMC928
    HMC929
    HMC931
    HMC932
    HMC933
    HMC934
    HMC935
    HMC247G
    HMC538
    HMC-C018G
    HMC-C025G
    HMC-C053G
    HMC-C584G
    HMC7056G
    HMC7054G
    HMC7053G
    HMC7056AG
    HMC642G
    HMC642AG
    HMC643G
    HMC644AG
    HMC647
    HMC647A