Broadband Analog Time Delay to 24 GHz
Data Sheet
HMC911
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Very wide bandwidth to 24 GHz
Time delay range: 70 ps typical
Single-ended or differential operation
Adjustable differential output amplitude with 780 mV p-p typical
at 10 GHz
Delay control modulation bandwidth: 1.6 GHz typical
Single supply: 3.3 V
NC
GND
INP
1
2
3
4
5
6
18 NC
17 GND
16 QP
15 QN
14 GND
V
CC
V
CC
HMC911
AMP
BUF
24-terminal ceramic, leadless chip carrier (LCC)
INN
TEMPERATURE
COMPENSATION
AND BIAS
APPLICATIONS
GND
EN
V
CC
BUF
V
CC
Synchronization of clock and data
Transponder design
13
V
EE
Serial data transmissions up to 32 Gbps
Broadband test and measurement
RF ATE applications
PACKAGE
BASE
GND
Figure 1.
GENERAL DESCRIPTION
The HMC911 is a broadband time delay with 62 ps to 75 ps
continuously adjustable delay range to 24 GHz. The delay control
is linearly monotonic with respect to the differential delay control
voltage (VDCP and VDCN), and the control input has a modulation
bandwidth of 1.6 Hz. The HMC911 provides a differential
output voltage with constant amplitude for single-ended or
differential input voltages above the input sensitivity level, and
the output voltage swing can be adjusted using the VAC control pin.
The HMC911 features internal temperature compensation and
bias circuitry to minimize delay variations with temperature. All
RF inputs and outputs of the HMC911 are internally terminated
with 50 Ω to VCC and can be ac-coupled or dc-coupled. Output
pins connect directly to a 50 Ω to VCC terminated system.
However, use dc blocking capacitors if the terminated system
input is 50 Ω to a dc voltage other than VCC
.
The HMC911 is available in a RoHS-compliant, 24-terminal,
ceramic, leadless chip carrier.
Rev. B
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