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935030770602 [NXP]

IC SPECIALTY TELECOM CIRCUIT, PDIP8, 0.300 INCH, SOT-97-1, MO-001AN, PLASTIC, DIP-8, Telecom IC:Other;
935030770602
型号： 935030770602
厂家： NXP    NXP
描述：

IC SPECIALTY TELECOM CIRCUIT, PDIP8, 0.300 INCH, SOT-97-1, MO-001AN, PLASTIC, DIP-8, Telecom IC:Other

电信 光电二极管 电信集成电路
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RF COMMUNICATIONS PRODUCTS  
SA602A  
Double-balanced mixer and oscillator  
Product specification  
Replaces datasheet of April 17, 1990  
1997 Nov 07  
IC17 Data Handbook  
Philip s Se m ic ond uc tors  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
DESCRIPTION  
PIN CONFIGURATION  
The SA602A is a low-power VHF monolithic double-balanced mixer  
with input amplifier, on-board oscillator, and voltage regulator. It is  
intended for high performance, low power communication systems.  
The guaranteed parameters of the SA602A make this device  
particularly well suited for cellular radio applications. The mixer is a  
“Gilbert cell” multiplier configuration which typically provides 18dB of  
gain at 45MHz. The oscillator will operate to 200MHz. It can be  
configured as a crystal oscillator, a tuned tank oscillator, or a buffer  
for an external LO. For higher frequencies the LO input may be  
externally driven. The noise figure at 45MHz is typically less than  
5dB. The gain, intercept performance, low-power and noise  
characteristics make the SA602A a superior choice for  
high-performance battery operated equipment. It is available in an  
8-lead dual in-line plastic package and an 8-lead SO (surface-mount  
miniature package).  
D and N Packages  
1
2
3
4
8
7
6
5
IN  
IN  
V
A
B
CC  
OSC  
E
GND  
OUT  
OSC  
B
B
OUT  
A
SR00068  
Figure 1. Pin Configuration  
APPLICATIONS  
• Cellular radio mixer/oscillator  
• Portable radio  
FEATURES  
• Low current consumption: 2.4mA typical  
• VHF transceivers  
• Excellent noise figure: <4.7dB typical at 45MHz  
• High operating frequency  
• RF data links  
• HF/VHF frequency conversion  
• Instrumentation frequency conversion  
• Broadband LANs  
• Excellent gain, intercept and sensitivity  
• Low external parts count; suitable for crystal/ceramic filters  
• SA602A meets cellular radio specifications  
ORDERING INFORMATION  
DESCRIPTION  
8-Pin Plastic Dual In-Line Plastic (DIP)  
TEMPERATURE RANGE  
-40 to +85°C  
ORDER CODE  
SA602AN  
DWG #  
SOT97-1  
SOT96-1  
8-Pin Plastic Small Outline (SO) package (Surface-mount)  
-40 to +85°C  
SA602AD  
ABSOLUTE MAXIMUM RATINGS  
SYMBOL  
PARAMETER  
RATING  
UNITS  
V
V
CC  
Maximum operating voltage  
Storage temperature range  
9
-65 to +150  
-40 to +85  
90  
T
STG  
°C  
T
A
Operating ambient temperature range SA602A  
°C  
θ
Thermal impedance  
D package  
N package  
°C/W  
°C/W  
JA  
75  
2
1997 Nov 07  
853-1424 18662  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
BLOCK DIAGRAM  
8
7
6
5
V
CC  
OSCILLATOR  
VOLTAGE  
REGULATOR  
GROUND  
1
2
3
4
SR00069  
Figure 2. Block Diagram  
AC/DC ELECTRICAL CHARACTERISTICS  
V
CC  
= +6V, T = 25°C; unless otherwise stated.  
A
LIMITS  
SYMBOL  
PARAMETER  
TEST CONDITIONS  
SA602A  
TYP  
UNITS  
MIN  
MAX  
8.0  
V
f
Power supply voltage range  
DC current drain  
4.5  
V
CC  
2.4  
500  
200  
5.0  
2.8  
mA  
MHz  
MHz  
dB  
Input signal frequency  
Oscillator frequency  
Noise figure at 45MHz  
IN  
f
OSC  
5.5  
-15  
RF = -45dBm: f = 45.0MHz  
IN  
1
Third-order intercept point  
-13  
17  
dBm  
f = 45.06MHz  
2
Conversion gain at 45MHz  
RF input resistance  
14  
dB  
kΩ  
pF  
kΩ  
R
C
1.5  
IN  
IN  
RF input capacitance  
Mixer output resistance  
3
3.5  
(Pin 4 or 5)  
1.5  
Besides excellent low power performance well into VHF, the  
DESCRIPTION OF OPERATION  
SA602A is designed to be flexible. The input, RF mixer output and  
oscillator ports can support a variety of configurations provided the  
designer understands certain constraints, which will be explained  
here.  
The SA602A is a Gilbert cell, an oscillator/buffer, and a temperature  
compensated bias network as shown in the equivalent circuit. The  
Gilbert cell is a differential amplifier (Pins 1 and 2) which drives a  
balanced switching cell. The differential input stage provides gain  
and determines the noise figure and signal handling performance of  
the system.  
The RF inputs (Pins 1 and 2) are biased internally. They are  
symmetrical. The equivalent AC input impedance is approximately  
1.5k || 3pF through 50MHz. Pins 1 and 2 can be used  
interchangeably, but they should not be DC biased externally.  
Figure 5 shows three typical input configurations.  
The SA602A is designed for optimum low power performance.  
When used with the SA604 as a 45MHz cellular radio second IF and  
demodulator, the SA602A is capable of receiving -119dBm signals  
with a 12dB S/N ratio. Third-order intercept is typically -13dBm (that  
is approximately +5dBm output intercept because of the RF gain).  
The system designer must be cognizant of this large signal  
limitation. When designing LANs or other closed systems where  
transmission levels are high, and small-signal or signal-to-noise  
issues are not critical, the input to the SA602A should be  
appropriately scaled.  
The mixer outputs (Pins 4 and 5) are also internally biased. Each  
output is connected to the internal positive supply by a 1.5kΩ  
resistor. This permits direct output termination yet allows for  
balanced output as well. Figure 6 shows three single ended output  
configurations and a balanced output.  
3
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
The oscillator is capable of sustaining oscillation beyond 200MHz in  
crystal or tuned tank configurations. The upper limit of operation is  
determined by tank “Q” and required drive levels. The higher the  
“Q” of the tank or the smaller the required drive, the higher the  
permissible oscillation frequency. If the required LO is beyond  
oscillation limits, or the system calls for an external LO, the external  
signal can be injected at Pin 6 through a DC blocking capacitor.  
output of this circuit to assure that switching spikes from the first  
counter or prescaler do not end up in the oscillator spectrum. The  
dual-gate MOSFET provides optimum isolation with low current.  
The FET offers good isolation, simplicity, and low current, while the  
bipolar transistors provide the simple solution for non-critical  
applications. The resistive divider in the emitter-follower circuit  
should be chosen to provide the minimum input signal which will  
assure correct system operation.  
External LO should be at least 200mV  
.
P-P  
Figure 7 shows several proven oscillator circuits. Figure 7a is  
appropriate for cellular radio. As shown, an overtone mode of  
operation is utilized. Capacitor C3 and inductor L1 suppress  
oscillation at the crystal fundamental frequency. In the fundamental  
mode, the suppression network is omitted.  
When operated above 100MHz, the oscillator may not start if the Q  
of the tank is too low. A 22kΩ resistor from Pin 7 to ground will  
increase the DC bias current of the oscillator transistor. This  
improves the AC operating characteristic of the transistor and  
should help the oscillator to start. A 22kΩ resistor will not upset the  
other DC biasing internal to the device, but smaller resistance  
values should be avoided.  
Figure 8 shows a Colpitts varactor tuned tank oscillator suitable for  
synthesizer-controlled applications. It is important to buffer the  
0.5 to 1.3µH  
22pF  
34.545MHz THIRD OVERTONE CRYSTAL  
10pF  
5.5µH  
1nF  
V
CC  
100nF  
6.8µF  
10nF  
8
7
6
5
150pF  
OUTPUT  
1.5 to  
44.2µH  
602A  
330pF  
120pF  
1
2
3
4
47pF  
0.209 to 0.283µH  
INPUT  
220pF  
100nF  
SR00070  
Figure 3. Test Configuration  
4
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
8
V
CC  
18k  
BUFFER  
6
7
1.5k  
4
1.5k  
5
25k  
BIAS  
BIAS  
2
1
BIAS  
1.5k  
1.5k  
3
GND  
SR00071  
Figure 4. Equivalent Circuit  
602A  
602A  
602A  
1
2
1
2
1
2
INPUT  
a. Single-Ended Tuned Input  
b. Balanced Input (For Attenuation  
of Second-Order Products)  
c. Single-Ended Untuned Input  
SR00072  
Figure 5. Input Configuration  
5
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
5
5
602A  
602A  
4
4
a. Single-Ended Ceramic Filter  
b. Single-Ended Crystal Filter  
5
5
602A  
602A  
4
4
c. Single-Ended IFT  
d.. Balanced Output  
SR00073  
Figure 6. Output Configuration  
L
C
1
2
C
3
XTAL  
C
1
8
7
6
5
8
7
6
5
8
7
6
5
602A  
602A  
602A  
1
2
3
4
1
2
3
4
1
2
3
4
a. Colpitts Crystal Oscillator  
(Overtone Mode)  
c. Hartley L/C Tank Oscillator  
SR00074  
b. Colpitts L/C Tank Oscillator  
Figure 7. Oscillator Circuits  
6
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
5.5µH  
+6V  
0.1µF  
10µF  
0.10pF  
1
2
8
7
TO  
BUFFER  
602A  
10pF  
7pF  
3
4
6
5
1000pF  
DC CONTROL VOLTAGE  
FROM SYNTHESIZER  
1000pF  
0.06µH  
MV2105  
OR EQUIVALENT  
0.01µF  
100k  
2k  
3SK126  
2N918  
2N5484  
2pF  
TO SYNTHESIZER  
0.01µF  
330  
100k  
TO SYNTHESIZER  
100k  
1.0nF  
SR00075  
Figure 8. Colpitts Oscillator Suitable for Synthesizer Applications and Typical Buffers  
0.5 to 1.3µH  
22pF  
34.545MHz THIRD OVERTONE CRYSTAL  
1nF  
10pF  
V
CC  
100nF  
6.8µF  
10nF  
8
7
6
5
602A  
1
2
3
4
SFG455A3  
OR EQUIVALENT  
47pF  
0.209 to 0.283µH  
INPUT  
220pF  
100nF  
SR00076  
Figure 9. Typical Application for Cellular Radio  
7
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
3.50  
3.25  
6.00  
5.75  
5.50  
5.25  
5.00  
4.75  
4.50  
4.5V  
6.0V  
8.5V  
3.00  
2.75  
2.50  
2.25  
2.00  
1.75  
1.50  
8.5V  
6.0V  
4.5V  
4.25  
4.00  
–40 –30 –20 –10  
0
10 20 30 40 50 60 70 80 90  
–40 –30 –20 –10  
0
10 20 30 40 50 60 70 80 90  
O
O
TEMPERATURE  
C
TEMPERATURE  
C
SR00080  
SR00077  
Figure 13. Noise Figure  
Figure 10. I vs Supply  
CC  
Voltage  
RF = 45MHz, IF = 455kHz, RF = 45.06MHz  
1
2
20.0  
3rd ORDER PRODUCT  
19.5  
19.0  
20  
0
18.5  
18.0  
17.5  
6.0V  
8.5V  
4.5V  
17.0  
16.5  
–20  
–40  
FUND. PRODUCT  
16.0  
15.5  
15.0  
14.5  
14.0  
–60  
–40 –30 –20 –10  
0
10 20 30 40 50 60 70 80 90  
O
TEMPERATURE  
C
–80  
–60  
–40  
–20  
0
20  
SR00078  
RF INPUT LEVEL (dBm)  
SR00081  
Figure 11. Conversion Gain vs Supply Voltage  
Figure 14. Third-Order Intercept and Compression  
–10.0  
–10  
–11  
–12  
–13  
–14  
–15  
–10.5  
–11.0  
–11.5  
–12.0  
–12.5  
–13.0  
–13.5  
–14.0  
–14.5  
–15.0  
–16  
–17  
–18  
–15.5  
–16.0  
–16.5  
–17.0  
–40 –30 –20 –10  
0
10 20 30 40 50 60 70 80 90  
O
4
5
6
7
8
9
10  
TEMPERATURE  
C
V
(VOLTS)  
CC  
SR00082  
SR00079  
Figure 12. Third-Order Intercept Point  
Figure 15. Input Third-Order Intermod Point vs V  
CC  
8
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
SO8: plastic small outline package; 8 leads; body width 3.9mm  
SOT96-1  
9
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
DIP8: plastic dual in-line package; 8 leads (300 mil)  
SOT97-1  
10  
1997 Nov 07  
Philips Semiconductors  
Product specification  
Double-balanced mixer and oscillator  
SA602A  
DEFINITIONS  
Data Sheet Identification  
Product Status  
Definition  
This data sheet contains the design target or goal specifications for product development. Specifications  
may change in any manner without notice.  
Objective Specification  
Formative or in Design  
This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips  
Semiconductors reserves the right to make changes at any time without notice in order to improve design  
and supply the best possible product.  
Preliminary Specification  
Product Specification  
Preproduction Product  
Full Production  
This data sheet contains Final Specifications. Philips Semiconductors reserves the right to make changes  
at any time without notice, in order to improve design and supply the best possible product.  
Philips Semiconductors and Philips Electronics North America Corporation reserve the right to make changes, without notice, in the products,  
including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips  
Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright,  
or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask  
work right infringement, unless otherwise specified. Applications that are described herein for any of these products are for illustrative purposes  
only. PhilipsSemiconductorsmakesnorepresentationorwarrantythatsuchapplicationswillbesuitableforthespecifiedusewithoutfurthertesting  
or modification.  
LIFE SUPPORT APPLICATIONS  
Philips Semiconductors and Philips Electronics North America Corporation Products are not designed for use in life support appliances, devices,  
orsystemswheremalfunctionofaPhilipsSemiconductorsandPhilipsElectronicsNorthAmericaCorporationProductcanreasonablybeexpected  
to result in a personal injury. Philips Semiconductors and Philips Electronics North America Corporation customers using or selling Philips  
Semiconductors and Philips Electronics North America Corporation Products for use in such applications do so at their own risk and agree to fully  
indemnify Philips Semiconductors and Philips Electronics North America Corporation for any damages resulting from such improper use or sale.  
Philips Semiconductors  
811 East Arques Avenue  
P.O. Box 3409  
Copyright Philips Electronics North America Corporation 1997  
All rights reserved. Printed in U.S.A.  
Sunnyvale, California 94088–3409  
Telephone 800-234-7381  
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SA602A; Double-  
balanced mixer and  
oscillator  
download datasheet  
Download datasheet  
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Block diagram  
Features  
Applications  
Datasheet  
Buy online  
Parametrics  
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General description  
The SA602A is a low-power VHF monolithic double-balanced mixer with input amplifier, on-board  
oscillator, and voltage regulator. It is intended for high performance, low power communication systems.  
The guaranteed parameters of the SA602A make this device particularly well suited for cellular radio  
applications. The mixer is a 'Gilbert cell' multiplier configuration which typically provides 18dB of gain at  
45MHz. The oscillator will operate to 200MHz. It can be configured as a crystal oscillator, a tuned tank  
oscillator, or a buffer for an external LO. For higher frequencies the LO input may be externally driven. The  
noise figure at 45MHz is typically less than 5dB. The gain, intercept performance, low-power and noise  
characteristics make the SA602A a superior choice for high-performance battery operated equipment. It is  
available in an 8-lead dual in-line plastic package and an 8-lead SO (surface-mount miniature package).  
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●
●
●
●
●
●
Low current consumption: 2.4mA typical  
Excellent noise figure: <4.7dB typical at 45MHz  
High operating frequency  
Excellent gain, intercept and sensitivity  
Low external parts count; suitable for crystal/ceramic filters  
SA602A meets cellular radio specifications  
to
Applications  
●
●
●
●
●
●
●
Cellular radio mixer/oscillator  
Portable radio  
VHF transceivers  
RF data links  
HF/VHF frequency conversion  
Instrumentation frequency conversion  
Broadband LANs  
AN1981: New low-power single sideband circuits (date 29-Oct-97)  
Down  
AN1982: Applying the oscillator of the SA602 in low-power mixer applications (date 23-Oct-97)  
Down  
AN1983: Crystal Oscillators And Frequency Multipliers Using The NE602 (date 01-Dec-91)  
 
AN1993: High sensitivity applications of low-power RF/IF integrated circuits (date 20-Aug-97)  
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Datasheet  
Type  
number  
Title  
Publication  
release date  
Datasheet status  
Page  
count  
File  
size  
(kB)  
Datasheet  
SA602A  
Double-  
11/7/1997  
Product  
specification  
11  
117  
Download  
Down  
balanced  
mixer and  
oscillator  
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Blockdiagram(s)  
Block diagram of  
SA602AD  
to
Parametrics  
Type number Package  
Application FUNCTION Operating Voltage No. of Current Power  
temp.(Cel)  
Pins  
SOT96 (SO8)  
SA602AD  
SA602AN  
Wireless  
Wireless  
Amplifiers -40~85  
Low  
Low  
8
Low  
Low  
Low  
Low  
SOT97-1  
(DIP8)  
Amplifiers -40~85  
8
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Products, packages, availability and ordering  
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North  
Ordering code Marking/Packing Package Device status Buy online  
IC packing info  
number  
American (12NC)  
type  
Down  
number  
SOT96  
(SO8)  
Standard Marking  
* Tube (Signetics)  
Full production  
Full production  
Full production  
SA602AD SA602AD 9350 307 50602  
-
-
-
order this  
order this  
order this  
Standard Marking  
9350 307 50623 * Reel Pack, SMD,  
13" (Signetics)  
SOT96  
(SO8)  
SA602AD-  
T
SOT97-1  
(DIP8)  
Standard Marking  
* Tube (Signetics)  
SA602AN SA602AN 9350 307 70602  
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