OPERATING RANGES
PARAMETERS MIN TYP MAX UNITS
Frequency RF
LO
IF
900
935
35
-1200
1350
150
MHz
VDD 4.75 5.0 5.25 Volts
IDD -110MA
Case Temperature - 55 - 85 °C
VHF/UHF CATV/TV Tuner Downconverter
DATA SHEET - Rev . 0
FEATURES
Integrated Monolithic Downconverter
8 dB Noise Figure
10 dB Conversion Gain
High Linearity
Small Size
Low Cost
High Reliability
PHASE
8
5
6
7
SPLITTER
OSC
2
3
4
1
MXR
9
12
11
10
15
14
13
16
LOW NOISE
AMP.
IF1,+5V
GND
N/C
GND
RFIN
ISET
GND N/C
+5V
TCKT
GND
OSCOUT
GND
IF2, + 5V
DESCRIPTION
The ACD0900 MMIC is a high performance downconverter
fabricated entirely in GaAs. It is designed for use as the 2nd
conversion stage in double-conversion tuners and cable
modems, downconverting 900 -1200 MHz RF inputs to a
fixed IF of 35 - 150 MHz (depending on LO frequency).
The IC incorporates a low noise amplifier, high linearity
double balanced mixer, phase splitter and oscillator in a
SOIC 16 lead surface mount package. The high degree of
functionality allows tuner manufactures to reduce size and
cost by lowering the component count and decreasing the
amount of production alignment steps, while significantly
improving performance and reliability.
*VTCKT : Maximum voltage that may be applied to pin 11 of the
device without damaging the IC. DC blocking capacitor (1500pF)
between pin11 and the external tuning circuit is mandatory.
ABSOLUTE MAXIMUM RATINGS
ACD0900S3C
S3C
16 Pin SOIC Package
PARAMETER MIN. MAX. UNITS
VDD/VIF/VOSC/VLO - 9 Volts
VRF/VTCKT* - 0 Volts
Storage Temperature - 55 200 °C
Soldering Tempera ture -260 °C
Soldering Tim e - 5 Sec.
RF Input Power -+ 10 dBm
LO Input Power -+ 17 dBm
Ther mal Res i stance -25 °C/W
A
2
A
ELECTRICAL SPECIFICATIONS: (Packaged Units, TA = +25°C, VDD = +5V)
1.Combined output ( IF1 + IF2) using a balun. NOTE: Gain at either port (uncombined), with unused port terminated in
50Ω, is 3 dB lower
2. Two tones @ - 15 dBm per tone
ACD0900S3C
DATA SHEET - Rev. 0
PARAMETER MIN. TYP MAX. UNITS
Frequencies RF
LO
IF
-1170
1245
75
-MHz
Current - 80 - mA
Power Consumption @ 5.0V - 400 - mW
Phase Noise @ 10 KHz Offset - - 89 - 85.5 dBc/Hz
Noise Figure - 8.0 9.5 dB
Gain ( 200Ω Load)17.8 9.5 - dB
3rd Order IMD (200Ω Load)2- 59 - 54 dBc
3rd Order Input IP ( 200Ω Load)2+ 12 - - dBm
Cross Modulation @ 15 KHz, 2
99% AM Modulation - - 56 - dBc
PHASE
8
5
6
7
SPLITTER
OSC
2
3
4
1
MXR
9
12
11
10
15
14
13
16
0.001 µF
LOW NOISE
AMP.
0.001 µF
RFIN
Vtune
0.01 µF
10KΩ
39pF
L
5.6 Ω
NC
OSC Output
to Prescalar
3.3pF
2KΩ
+ 5V
100pF 0.01 µF
NC
1SV245
IF2
IF1
0.01µF
IF
out
+5V
N:1
3
A
`
PACKAGE OUTLINE
PIN Function
1 IF1,
+5 V
2 GND
3 NC
4 GND
5 GND
6 RFIN
7 ISET
8 GND
9 NC*
10 + 5V
11 TCKT
12 GND
13 GND
14 OSC Out
15 GND
16 IF2,,+5V
0.235
(5.97)
0.155
(3.94)
0.390
(9.91) 0.065
(1.65)
0.016
(0.41)
TYP.
0.066
(1.68)
0.050
(1.27)
BSC
* Do not connect pin 9 to GN
D
2000MHz
50MHz
. 2
.2 5
2
1
.5
IMPEDANCE REFERENCE PLANE AT PIN 6
RF INPUT IMPEDANCE
MEASURED IN 50Ω SYSTEM
START:
STOP: 1: 50 MHz
183.00 Ω
- 21.75 jΩ
2: 25 0 MHz
135.48 Ω
-58.21 jΩ
3: 750 MHz
75.92Ω
- 43.12 jΩ
4: 1000 MH
z
64.93Ω
- 32.29 j
Ω
5 : 2000 MH
z
43.79Ω
-4.71 jΩ
0
-.2
-.5
-.1
- 2
- 5
.5 1251
2
3
4
5
ACD0900S3C
DATA SHEET - Rev. 0
4
ANADIGICS, Inc.
35 Technology Drive
Warren, New Jersey 07059
Tel: (908) 668-5000 / Fax: (908) 668-5132
Email: Mkg@anadigics.com
www.anadigics.com
IMPORTANT NOTICE
ANADIGICS, Inc. reserves the right to make changes to its products or discontinue any product at any time without notice. The Advanced Product
data sheets and product specifications contained in this data sheet are subject to change prior to a products formal introduction. The information in
this data sheet has been carefully checked and is assumed to be reliable. However, ANADIGICS assumes no repsponsibility for inaccuracies.
ANADIGICS strongly urges customers to verift that the informationn they are using is current before placing orders.
WARNING
ANADIGICS products are not intened for use in life support appliances, device, or systems. Use of an ANADIGICS product in any such
application without written consent is prohibited.
A
MEASURED IN 50Ω SY STEM
IMPEDANCE REFERENCE PLANE AT PIN 16
.5 5
2.2
.2
0
-.2
-.5
-1
-2
-5
5
2
1
.5
1
1
2
43
5
1: 50 MHz
2 5 1. 64Ω
- 222 .35 j
Ω
2: 150 MHz
60.89Ω
-144.22 j
Ω
3: 250 MHz
26.32Ω
- 89.16 jΩ
4: 400 MHz
13.24Ω
- 49.55 jΩ
5 : 500 MHz
10.08Ω
- 34.10 jΩ
IF OUTPUT IMPEDANCE
START: 50 MHz
STOP: 500 MHz
-5.8
MEASURED IN 50Ω SYSTEM
IMPEDANCE REFERENCE PLANE AT PIN 11
-1
.5
5
2
1
.2
-.17
-.2
-.5
-2
-5
5
4
3
2
1
LO IMPEDANCE
START: 50 MHz
STOP: 2000 MHz 1: 50 MHz
259.67Ω
- 1200 jΩ
2: 612 MHz
- 20.97 Ω
- 50.63 jΩ
3: 1000 MH
z
- 9.28Ω
- 14.88 j
Ω
4: 1500 MH
z
- 5.36Ω
7.99 jΩ
5 : 2000 M H
z
0.64Ω
27.12 jΩ
ACD0900S3C
DATA SHEET - Rev. 0
