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參數(shù)資料
| 型號： | HMC920LP5E |
| 廠商： | Hittite Microwave Corporation |
| 文件頁數(shù)： | 21/26頁 |
| 文件大小： | 1291K |
| 描述： | IC CTRLR ACTIVE BIAS 32QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 有源偏壓控制器 |
| 輸入電壓： | 5 V ~ 16.5 V |
| 電流 - 輸出： | 500mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-QFN（5x5） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | 1127-1077-6 |
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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HMC920LP5E
v07.1013
ACTIVE BIAS CONTROLLER
Operation Modes
HMC920LP5E can be configured to bias both enhancement and depletion mode external amplifiers. The mode of
operation can be selected by setting two pins (VNEGFB, VGATEFB) as tabulated in Table-1. The connection to the
VNEGIN should be adjusted accordingly.
In order not to bias external amplifier in a wrong region, please make sure that the correct mode of operation is
selected before powering up HMC920LP5E.
HMC920LP5E does not allow the internal negative voltage generator to work if an enhancement mode is selected.
Therefore, if VNEGFB is left floating while VGATEFB is grounded, HMC920LP5E will stay in standby mode.
Please note that the external negative voltage should be between -2.5V to -3.5V for HMC920LP5E to operate.
Table 1. Mode Selection
VNEGFB
VGATEFB
VNEGIN
Description
MODE1
(Depletion/Master Mode)
FLOAT
FLOAT
Connected to
VNEGOUT
Depletion mode transistor. Internal negative voltage generator is
active and generates -2.5V. Sample application schematic given
shown in Fig.4a.
MODE2
(Depletion/Slave Mode)
GND
FLOAT
Connected to
External VSS
Depletion mode transistor. Internal negative voltage generator is
disabled. An external negative voltage less than -2.3V should be
connected to VNEGIN. Sample application schematic given shown
in Fig.4b.
---
FLOAT
GND
N/A
Not allowed. HMC920LP5E stays in standby.
MODE3
(Enhancement Mode)
GND
GND
Connected to
GND
Enhancement mode transistor. Internal negative voltage generator is
disabled. Sample application schematic given shown in Fig.5.
Figure 3. Daisy Chain Operation
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| HMC920LP5ETR | 制造商:Hittite Microwave Corp 功能描述:IC CTRLR ACTIVE BIAS 32QFN |
| HMC921LP4E | 功能描述:IC AMP MMIC GASS 24QFN RoHS:是 類別:RF/IF 和 RFID >> RF 放大器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 頻率:100MHz ~ 6GHz P1dB:9.14dBm（8.2mW） 增益:15.7dB 噪音數(shù)據(jù):1.3dB RF 型:CDMA，TDMA，PCS 電源電壓:2.7 V ~ 5 V 電流 - 電源:60mA 測試頻率:2GHz 封裝/外殼:0505（1412 公制） 包裝:帶卷 (TR) |
| HMC921LP4ETR | 制造商:Hittite Microwave Corp 功能描述:IC AMP MMIC GASS 24QFN |
| HMC922LP4E | 制造商:Hittite Microwave Corp 功能描述:IC MMIC SWITCH SPDT DIFF 24-QFN |
| HMC922LP4ETR | 制造商:Hittite Microwave Corp 功能描述:HMC922 Series DC - 4.0 GHz Non-Reflective Differential SPDT Switch - QFN-24 |
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