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参数资料
| 型号： | HMC196C12 |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 调制器/解调器 |
| 英文描述： | RF/MICROWAVE MODULATOR |
| 文件页数： | 1/3页 |
| 文件大小： | 169K |
| 代理商： | HMC196C12 |
5 - 14
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
MICROWAVE CORPORATION
SEPTEMBER 1999
Modulators
5
EXCELLENT AMPLITUDE AND PHASE BALANCE
DIRECT MODULATION IN THE 2.4 GHz ISM BAND
30 dB CARRIER SUPPRESSION
USE AS A MODULATOR OR DEMODULATOR
Features
General Description
The HMC196C12 QPSK Modulator is designed
to phase-modulate a RF signal into quadrature
phase states. Device input is at the RF port and
output is at the LO port. The polarity of the bias
current at the control ports (I and Q) defines the
four phase states.
Excellent amplitude and
phase balance is provided by closely matched
monolithic balun and diode circuits delivering 30
dB of carrier suppression in a small ceramic
surface mount package.
The device also functions as an I/Q demodulator
with data emerging from the I and Q ports when
a QPSK modulated signal at the RF port is
compared to a reference signal at the LO port.
Except for carrier suppression, the data pre-
sented here was measured under static condi-
tions in which a DC bias current (nominally 5
mA) is applied to the control ports.
Guaranteed Performance, For 5mA Bias Current, 50 Ohm System, -40 to +85 deg C
Parameter
Min.
Typ.
Max.
Units
Frequency Band
2.4-2.6
GHz
Insertion Loss
11
13
dB
Input Return Loss (RF Port)
6
9
dB
Output Return Loss (LO Port)
12
15
dB
Amplitude Balance
0.5
1.0
dB
Phase Balance
2.5
5.0
deg
Carrier Suppression (When driven with a 1 MHz square wave, 1.4
Vp-p)
25
30
dBc
Input Power for 1 dB Compression
10
15
dBm
Bias Current (Bias current forward biases internal Schottky diodes
providing approximately 0.6 V at the control port).
35
10
mA
GaAS MMIC SMT QPSK MODULATOR 2.4 GHz
HMC196C12
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