TDA6405A PHILIPS [NXP Semiconductors], TDA6405A Datasheet - Page 17

• Manufacturer Part Number: TDA6405A
• Description: 5 V mixer/oscillator-PLL synthesizers for hyperband tuners
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
1999 Jan 13
handbook, full pagewidth
handbook, full pagewidth
5 V mixer/oscillator-PLL synthesizers for
hyperband tuners
(a) For f
VHF mixer frequency response measured = 57 MHz;
loss = 0 dB.
Image suppression = 16 dB.
C1 = 9 pF; C2 = 15 pF.
L1 = 7 turns (Ø 5.5 mm; wire Ø = 0.5 mm).
I1 = semi rigid cable (RIM): 5 cm long.
(semi rigid cable (RIM); 33 dB/100 m; 50 ; 96 pF/m) .
F = F
meas
RF
= 50 MHz:
loss (of input circuit) (dB).
BNC
L1
C1
SOURCE
NOISE
C2
Fig.8 Input circuit for optimum noise figure in the VHF band.
(a)
I1
Fig.9 Noise figure (F) measurement in the VHF band.
RIM-RIM
BNC
CIRCUIT
INPUT
PCB
plug
RIM
VHFIN IFOUT1
17
D.U.T.
(b) For f
VHF mixer frequency response measured = 150.3 MHz;
loss = 1.3 dB.
Image suppression = 13 dB.
C3 = 5 pF; C4 = 25 pF.
I2 = semi rigid cable (RIM): 30 cm long.
I3 = semi rigid cable (RIM): 5 cm long
(semi rigid cable (RIM); 33 dB/100 m; 50 ; 96 pF/m).
IFOUT2
BNC
RF
C3
= 150 MHz:
C
C4
I2
T
I3
(b)
TDA6404; TDA6405;
RIM-RIM
FIGURE
METER
NOISE
MGL277
MBE286 - 1
PCB
plug
Product specification
TDA6405A