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PRASARBHARTI
BROADCASTINGCORPORATIONOF INDIA
DIRECTORATEGENERAL:DOORDARSHAN
Specifications
for R.F.' Lapel Microphone
DD Specifications No.: SD 22/2011(M)
Dated: 19.09.2011
1.
SCOPE:
The specifications lay down the performance measure of broadcast
quality R.F. Lapel microphone to be used in DD network for Live
audience based program in studio, OB, News coverages etc.
2.
ESSENTIAL FEATURES:
2.1 The offered product should be from a reputed manufacturer and the
quoted model should be field proven and in use by leading broadcasters.
The bidder should essentially submit the list of broadcasters to whom
the quoted model has been supplied. The tenders without proper user
list shall liable to be rejected.
2.2 The microphone should be of broadcast quality and should have body
pack/ pocket type portable UHF transmitter.
2.3 The system should provide frequency
susceptible to external interferences.
stability
and
should
not be
2.4 The system should have industry proven technology for noise reduction
with flat frequency response.
2.5 The offered UHF receiver should be a diversity receiver to eliminate any
signal drop outs due to multi path reflections.
2.6 The microphone should have unobtrusive design and should be very
small in size. It should be rugged in construction and should have low
reflectance finish.
2.7 Accessories such as windscreen, microphone clip/ tie pin, power adapter
(if required) and carrying case should be quoted as part of the offer.
Other accessories, if any, should also be offered separately as optional
items.
'2.8 Any substandard
equipment included in the offer may cause
rejection of complete offer with the sole responsibility of bidder.
the
Page 1 of 8
2.9 The Bill of Material required is given in Appendix-I.
The bidder is
required to provide the complete list of items & accessories etc. offered to
meet the specification requirement in the following proforma:
Sr.
No.
Description
of the item
/ Name
Make
Model
Part No., if
any
Qty.
The firm should provide the offered un-priced bill of material in electronic
form also in addition to the hard copy for ease of technical evaluation.
2.10 The list of Doordarshan centers
procured is given in Appendix-II.
3.
for which the equipment
are being
TECHNICAL SPECIFICATIONS:
3.1
MICROPHONE
a)
Transducer
Condenser
b)
Polar Pattern
Omni directional
c)
Audio Frequency
Response
50 Hz - 18,000 Hz or better
d)
Sensitivity
10m VI Pa or better
e)
Power Supply
from the transmitter
f)
Max. SPL for 1%
distortion
better than 120 dB
g)
Connector
Matching with transmitter
connector.
SYSTEM
3.2
a)
carrier frequencies
In UHF band
b)
Modulation
FM
c)
Peak Deviation
±45 KHz or better
d)
Audio Frequency
response
90Hz-15000Hz or better
e)
SIN ratio
~100dB
f)
THD
<1%
Page 2 of 8
3.2.a
TRANSMITTER
a)
b)
Type
Bodyp~ck/pocket type with antenna.
RF output power
~30mw
c)
Power requirement
1.5V to 9V battery for minimum 4
hours operation
3.2.b RECEIVER
a) Type
Stand alone unit
b)
Reception
Diversity
c)
Audio output
Balanced, XLR connector.
d) Power Requirement
AC 230± 5% V, 50Hz.
In case of DC operation suitable
power adapter as suggested by the
OEM should be offered.
4.
COMPLIANCE:
A point-by-point compliance statement from the principal manufacturer
in respect of all the points laid down in these specifications is to be
enclosed along with the offer in the format given below. Mere signature
on the copy of the specifications shall not be accepted as a compliance
statement.
The figures so mentioned should be supported by record of these in the
technical literature enclosed with the tender and reference to the page
number of enclosed literature for all features and technical specifications
should be mentioned in the relevant column. Offers without the
compliance statement or with incomplete compliance statement will
liable to be rejected with the sole responsibility of the bidder. Any
deviation from the specification detailed in the compliance statement is
to be highlighted separately .
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Page
3 of 8
5.
ACCESSORIES:
Accessories such as windscreen, microphone clip/tie
pin, power
adapter (if required) and carrying case etc. required to complete the
system should be offered by the firm and the firm should certify the
completeness of the system. All the other optional items should also be
quoted separately. The firm must provide enough details about such
optional items to decide its utility.
6.
DOCUMENTATION:
One set of user guide/technical manuals for all the equipments are to
be provided on non-returnable basis along with the tender to facilitate
the technical evaluation, otherwise the tender is liable to be ignored. The
successful bidder will have to supply one set of printed user
guide/technical manuals with respect to each equipment.
7.
GUARANTEE:
a. With reference to the clause no. 8.2 of the "General Terms and
Conditions (GTC)" under ANNEXURE-II of tender document, the
equipment should be guaranteed for two years of trouble free
operation from the date of supply. In case of equipment failure
including software and hardware within this period, ~he same shall
be rectified or replaced free of cost to Doordarshan.
b. The guarantee should cover all hardware, software and modules of
the complete system.
8.
DEMONSTRATION:
If necessary, the firm may be asked for demonstration of the offered'
system as part of the technical evaluation. In such case the firm will
have to make suitable arrangement for the demonstration of the offered
system at Doordarshan Bhawan, New Delhi, on notice of 15 days.
Accordingly the firm should be in readiness for demonstration on a
notice of 15 days.
9.
INSPECTION:
The equipment shall be subjected to inspection by Doordarshan officials
at New Delhi.
Page 4 of 8
10.
DELIVERY PERIOD:
The delivery period is 3 months from the date of placement of purchase
order.
11.
ENCLOSURES:
The bidder must necessarily submit the following enclosures along with
the technical bid:
(a)
Compliance statement with respect to all the points of the specifications
duly signed by the OEM.
The reference to the page number of enclosed literature for all features
and technical specifications should be essentially mentioned in the
relevant column of the compliance statement.
(b)
Technical manuals/detailed
technical literature/catalogues
for all the
offered products for substantiating
the model no. and technical
specification.
(c)
Model specific broadcast user list of the offered product.
(d)
Any other document mentioned elsewhere in the tender document.
The tender is liable to be rejected in the absence of the above
enclosures with the sole responsibility of the bidder.
•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
Page 5 of 8
Appendix-I
BILL OF MATERIAL
81. No.
Details of Item
Quantity
1.
with Condenser Lapel
Body pack transmitter
cable with matching
microphone, connecting
connectors and standard accessones like wind
screen, microphone clip/tie pin, carrying case, one
set of batteries for transmitter etc.
148 Nos.
2.
Stand alone Diversity Receiver with antenna pair,
power adapter (if required) for item at S1. No.1
above
148 Nos.
3.
User Guide /Technical manual
148 Sets
Page 6 of 8
Appendix-II
MICROPHONES ARE BEING PROCURED, FOR THE FOLLOWING
DOORDARSHAN CENTRES
I
Digitalization of Studio
$1. No.
Zone
Location of Doordarshan Centre
Qty.
.
I.
2.
3.
4.
5.
6.
7.
8.
9.
10.
II.
12.
13.
14.
15.
16.
17.
18.
19.
20.
2I.
22.
23.
24.
25.
26.
27.
28.
29.
30.
3I.
32.
33.
34.
35.
36.
37.
38.
39.
40.
North Zone
(NZ)
East Zone
(EZ)
South Zone
(SZ)
West Zone
(WZ)
Jammu
Chandigarh
Bareillv
Shimla
Allahabad
Mau
Mathura
Varanasi
STI(Tl Delhi
Daltongani
Mujjafarpur
Ranchi
PPC Guwahati
Siliguri
Shillong
Tura
Kohima
Itanagar
Imphal
Silchar
Dibrugarh
Aizwal
Agartala
Sambalpur
Gangtok
Bhawanipatna
Shantiniketan
Gulbarga
Pondicherrv
Viiavavada
Portblair
Trichur
Panaii
Raipur
Rajkot
Pune
Indore
Gwalior
Jagdalpur
Nagpur
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
TOTAL (I)
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
Sets
80 Sets
Page 7 of 8
II.'
Automation of News Production and Transmission related facilities
SI.
No.
I.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1I.
12.
13.
14.
15.
16.
17.
18.
19.
20.
2I.
22.
Zone
North Zone
(NZ)
East Zone
(EZ)
South Zone
(SZ)
West Zone
(WZ)
Location of Doordarshan
Centre
Delhi
Jaipur
Srinagar
Jallandhar
Lucknow
Shimla
Jammu
Kolkata
Patna
Guwahati
Bhubneswar
Ranchi
Agartala
Shillong
Chennai
Bangalore
Hyderabad
Trivendrum
Mumbai
Ahmedabad
Bhopal
Raipur
TOTAL-fII)
Qty.
6 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
2 Sets
48 Sets
III. HDTV Scheme
S1.
No.
I.
2.
3.
4.
Zone
North Zone (NZ)
East Zone (EZ)
South Zone (SZ)
West Zone (WZ)
Location of
Doordarshan Centre
Delhi
Kolkata
Chennai
Mumbai
GRANT TOTAL (I) + (II) + (III)
=
Qty.
5 Sets
5 Sets
5 Sets
5 Sets
148 Sets
Page 8 of 8

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